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[November-2023]New Braindump2go SAA-C03 PDF and SAA-C03 VCE Dumps[Q645-Q699]

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November/2023 Latest Braindump2go SAA-C03 Exam Dumps with PDF and VCE Free Updated Today! Following are some new Braindump2go SAA-C03 Real Exam Questions!

QUESTION 645
A recent analysis of a company’s IT expenses highlights the need to reduce backup costs. The company’s chief information officer wants to simplify the on-premises backup infrastructure and reduce costs by eliminating the use of physical backup tapes. The company must preserve the existing investment in the on-premises backup applications and workflows.
What should a solutions architect recommend?

A. Set up AWS Storage Gateway to connect with the backup applications using the NFS interface.
B. Set up an Amazon EFS file system that connects with the backup applications using the NFS interface.
C. Set up an Amazon EFS file system that connects with the backup applications using the iSCSI interface
D. Set up AWS Storage Gateway to connect with the backup applications using the iSCSI-virtual tape library (VTL) interface.

Answer: D
Explanation:
https://aws.amazon.com/storagegateway/vtl/?nc1=h_ls

QUESTION 646
A company has data collection sensors at different locations. The data collection sensors stream a high volume of data to the company. The company wants to design a platform on AWS to ingest and process high-volume streaming data. The solution must be scalable and support data collection in near real time. The company must store the data in Amazon S3 for future reporting.
Which solution will meet these requirements with the LEAST operational overhead?

A. Use Amazon Kinesis Data Firehose to deliver streaming data to Amazon S3.
B. Use AWS Glue to deliver streaming data to Amazon S3.
C. Use AWS Lambda to deliver streaming data and store the data to Amazon S3.
D. Use AWS Database Migration Service (AWS DMS) to deliver streaming data to Amazon S3.

Answer: A
Explanation:
Amazon Kinesis Data Firehose: Capture, transform, and load data streams into AWS data stores (S3) in near real-time.

QUESTION 647
A company has separate AWS accounts for its finance, data analytics, and development departments. Because of costs and security concerns, the company wants to control which services each AWS account can use.
Which solution will meet these requirements with the LEAST operational overhead?

A. Use AWS Systems Manager templates to control which AWS services each department can use.
B. Create organization units (OUs) for each department in AWS Organizations. Attach service control policies (SCPs) to the OUs.
C. Use AWS CloudFormation to automatically provision only the AWS services that each department can use.
D. Set up a list of products in AWS Service Catalog in the AWS accounts to manage and control the usage of specific AWS services.

Answer: B

QUESTION 648
A company has created a multi-tier application for its ecommerce website. The website uses an Application Load Balancer that resides in the public subnets, a web tier in the public subnets, and a MySQL cluster hosted on Amazon EC2 instances in the private subnets. The MySQL database needs to retrieve product catalog and pricing information that is hosted on the internet by a third-party provider. A solutions architect must devise a strategy that maximizes security without increasing operational overhead.
What should the solutions architect do to meet these requirements?

A. Deploy a NAT instance in the VPC. Route all the internet-based traffic through the NAT instance.
B. Deploy a NAT gateway in the public subnets. Modify the private subnet route table to direct all internet-bound traffic to the NAT gateway.
C. Configure an internet gateway and attach it to the VPModify the private subnet route table to direct internet-bound traffic to the internet gateway.
D. Configure a virtual private gateway and attach it to the VPC. Modify the private subnet route table to direct internet-bound traffic to the virtual private gateway.

Answer: B

QUESTION 649
A company is using AWS Key Management Service (AWS KMS) keys to encrypt AWS Lambda environment variables. A solutions architect needs to ensure that the required permissions are in place to decrypt and use the environment variables.
Which steps must the solutions architect take to implement the correct permissions? (Choose two.)

A. Add AWS KMS permissions in the Lambda resource policy.
B. Add AWS KMS permissions in the Lambda execution role.
C. Add AWS KMS permissions in the Lambda function policy.
D. Allow the Lambda execution role in the AWS KMS key policy.
E. Allow the Lambda resource policy in the AWS KMS key policy.

Answer: BD
Explanation:
To decrypt environment variables encrypted with AWS KMS, Lambda needs to be granted permissions to call KMS APIs. This is done in two places:
The Lambda execution role needs kms:Decrypt and kms:GenerateDataKey permissions added. The execution role governs what AWS services the function code can access.
The KMS key policy needs to allow the Lambda execution role to have kms:Decrypt and kms:GenerateDataKey permissions for that specific key. This allows the execution role to use that particular key.

QUESTION 650
A company has a financial application that produces reports. The reports average 50 KB in size and are stored in Amazon S3. The reports are frequently accessed during the first week after production and must be stored for several years. The reports must be retrievable within 6 hours.
Which solution meets these requirements MOST cost-effectively?

A. Use S3 Standard. Use an S3 Lifecycle rule to transition the reports to S3 Glacier after 7 days.
B. Use S3 Standard. Use an S3 Lifecycle rule to transition the reports to S3 Standard-Infrequent Access (S3 Standard-IA) after 7 days.
C. Use S3 Intelligent-Tiering. Configure S3 Intelligent-Tiering to transition the reports to S3 Standard-Infrequent Access (S3 Standard-IA) and S3 Glacier.
D. Use S3 Standard. Use an S3 Lifecycle rule to transition the reports to S3 Glacier Deep Archive after 7 days.

Answer: A
Explanation:
Amazon S3 Glacier:
Expedited Retrieval: Provides access to data within 1-5 minutes.
Standard Retrieval: Provides access to data within 3-5 hours.
Bulk Retrieval: Provides access to data within 5-12 hours.
Amazon S3 Glacier Deep Archive:
Standard Retrieval: Provides access to data within 12 hours.
Bulk Retrieval: Provides access to data within 48 hours.

QUESTION 651
A company needs to optimize the cost of its Amazon EC2 instances. The company also needs to change the type and family of its EC2 instances every 2-3 months.
What should the company do to meet these requirements?

A. Purchase Partial Upfront Reserved Instances for a 3-year term.
B. Purchase a No Upfront Compute Savings Plan for a 1-year term.
C. Purchase All Upfront Reserved Instances for a 1-year term.
D. Purchase an All Upfront EC2 Instance Savings Plan for a 1-year term.

Answer: B
Explanation:
EC2 Instance Savings Plans give you the flexibility to change your usage between instances WITHIN a family in that region.
https://aws.amazon.com/savingsplans/compute-pricing/

QUESTION 652
A solutions architect needs to review a company’s Amazon S3 buckets to discover personally identifiable information (PII). The company stores the PII data in the us-east-1 Region and us-west-2 Region.
Which solution will meet these requirements with the LEAST operational overhead?

A. Configure Amazon Macie in each Region. Create a job to analyze the data that is in Amazon S3.
B. Configure AWS Security Hub for all Regions. Create an AWS Config rule to analyze the data that is in Amazon S3.
C. Configure Amazon Inspector to analyze the data that is in Amazon S3.
D. Configure Amazon GuardDuty to analyze the data that is in Amazon S3.

Answer: A
Explanation:
Amazon Macie is designed specifically for discovering and classifying sensitive data like PII in S3. This makes it the optimal service to use.
Macie can be enabled directly in the required Regions rather than enabling it across all Regions which is unnecessary. This minimizes overhead.
Macie can be set up to automatically scan the specified S3 buckets on a schedule. No need to create separate jobs.
Security Hub is for security monitoring across AWS accounts, not specific for PII discovery. More overhead than needed.
Inspector and GuardDuty are not built for PII discovery in S3 buckets. They provide broader security capabilities.

QUESTION 653
A company’s SAP application has a backend SQL Server database in an on-premises environment. The company wants to migrate its on-premises application and database server to AWS. The company needs an instance type that meets the high demands of its SAP database. On-premises performance data shows that both the SAP application and the database have high memory utilization.
Which solution will meet these requirements?

A. Use the compute optimized instance family for the application. Use the memory optimized instance family for the database.
B. Use the storage optimized instance family for both the application and the database.
C. Use the memory optimized instance family for both the application and the database.
D. Use the high performance computing (HPC) optimized instance family for the application. Use the memory optimized instance family for the database.

Answer: C
Explanation:
Since both the app and database have high memory needs, the memory optimized family like R5 instances meet those requirements well.
Using the same instance family simplifies management and operations, rather than mixing instance types.
Compute optimized instances may not provide enough memory for the SAP app’s needs.
Storage optimized is overkill for the database’s compute and memory needs.
HPC is overprovisioned for the SAP app.

QUESTION 654
A company runs an application in a VPC with public and private subnets. The VPC extends across multiple Availability Zones. The application runs on Amazon EC2 instances in private subnets. The application uses an Amazon Simple Queue Service (Amazon SQS) queue.
A solutions architect needs to design a secure solution to establish a connection between the EC2 instances and the SQS queue.
Which solution will meet these requirements?

A. Implement an interface VPC endpoint for Amazon SQS. Configure the endpoint to use the private subnets. Add to the endpoint a security group that has an inbound access rule that allows traffic from the EC2 instances that are in the private subnets.
B. Implement an interface VPC endpoint for Amazon SQS. Configure the endpoint to use the public subnets. Attach to the interface endpoint a VPC endpoint policy that allows access from the EC2 instances that are in the private subnets.
C. Implement an interface VPC endpoint for Amazon SQS. Configure the endpoint to use the public subnets. Attach an Amazon SQS access policy to the interface VPC endpoint that allows requests from only a specified VPC endpoint.
D. Implement a gateway endpoint for Amazon SQS. Add a NAT gateway to the private subnets. Attach an IAM role to the EC2 instances that allows access to the SQS queue.

Answer: A
Explanation:
An interface VPC endpoint is a private way to connect to AWS services without having to expose your VPC to the public internet. This is the most secure way to connect to Amazon SQS from the private subnets.
Configuring the endpoint to use the private subnets ensures that the traffic between the EC2 instances and the SQS queue is only within the VPC. This helps to protect the traffic from being intercepted by a malicious actor.
Adding a security group to the endpoint that has an inbound access rule that allows traffic from the EC2 instances that are in the private subnets further restricts the traffic to only the authorized sources. This helps to prevent unauthorized access to the SQS queue.

QUESTION 655
A solutions architect is using an AWS CloudFormation template to deploy a three-tier web application. The web application consists of a web tier and an application tier that stores and retrieves user data in Amazon DynamoDB tables. The web and application tiers are hosted on Amazon EC2 instances, and the database tier is not publicly accessible. The application EC2 instances need to access the DynamoDB tables without exposing API credentials in the template.
What should the solutions architect do to meet these requirements?

A. Create an IAM role to read the DynamoDB tables. Associate the role with the application instances by referencing an instance profile.
B. Create an IAM role that has the required permissions to read and write from the DynamoDB tables. Add the role to the EC2 instance profile, and associate the instance profile with the application instances.
C. Use the parameter section in the AWS CloudFormation template to have the user input access and secret keys from an already-created IAM user that has the required permissions to read and write from the DynamoDB tables.
D. Create an IAM user in the AWS CloudFormation template that has the required permissions to read and write from the DynamoDB tables. Use the GetAtt function to retrieve the access and secret keys, and pass them to the application instances through the user data.

Answer: B

QUESTION 656
A solutions architect manages an analytics application. The application stores large amounts of semistructured data in an Amazon S3 bucket. The solutions architect wants to use parallel data processing to process the data more quickly. The solutions architect also wants to use information that is stored in an Amazon Redshift database to enrich the data.
Which solution will meet these requirements?

A. Use Amazon Athena to process the S3 data. Use AWS Glue with the Amazon Redshift data to enrich the S3 data.
B. Use Amazon EMR to process the S3 data. Use Amazon EMR with the Amazon Redshift data to enrich the S3 data.
C. Use Amazon EMR to process the S3 data. Use Amazon Kinesis Data Streams to move the S3 data into Amazon Redshift so that the data can be enriched.
D. Use AWS Glue to process the S3 data. Use AWS Lake Formation with the Amazon Redshift data to enrich the S3 data.

Answer: B
Explanation:
Use Amazon EMR to process the semi-structured data in Amazon S3. EMR provides a managed Hadoop framework optimized for processing large datasets in S3.
EMR supports parallel data processing across multiple nodes to speed up the processing.
EMR can integrate directly with Amazon Redshift using the EMR-Redshift integration. This allows querying the Redshift data from EMR and joining it with the S3 data.
This enables enriching the semi-structured S3 data with the information stored in Redshift.

QUESTION 657
A company has two VPCs that are located in the us-west-2 Region within the same AWS account. The company needs to allow network traffic between these VPCs. Approximately 500 GB of data transfer will occur between the VPCs each month.
What is the MOST cost-effective solution to connect these VPCs?

A. Implement AWS Transit Gateway to connect the VPCs. Update the route tables of each VPC to use the transit gateway for inter-VPC communication.
B. Implement an AWS Site-to-Site VPN tunnel between the VPCs. Update the route tables of each VPC to use the VPN tunnel for inter-VPC communication.
C. Set up a VPC peering connection between the VPCs. Update the route tables of each VPC to use the VPC peering connection for inter-VPC communication.
D. Set up a 1 GB AWS Direct Connect connection between the VPCs. Update the route tables of each VPC to use the Direct Connect connection for inter-VPC communication.

Answer: C
Explanation:
VPC peering provides private connectivity between VPCs without using public IP space.
Data transferred between peered VPCs is free as long as they are in the same region.
500 GB/month inter-VPC data transfer fits within peering free tier.
Transit Gateway (Option A) incurs hourly charges plus data transfer fees. More costly than peering.
Site-to-Site VPN (Option B) incurs hourly charges and data transfer fees. More expensive than peering.
Direct Connect (Option D) has high hourly charges and would be overkill for this use case.

QUESTION 658
A company hosts multiple applications on AWS for different product lines. The applications use different compute resources, including Amazon EC2 instances and Application Load Balancers. The applications run in different AWS accounts under the same organization in AWS Organizations across multiple AWS Regions. Teams for each product line have tagged each compute resource in the individual accounts.
The company wants more details about the cost for each product line from the consolidated billing feature in Organizations.
Which combination of steps will meet these requirements? (Choose two.)

A. Select a specific AWS generated tag in the AWS Billing console.
B. Select a specific user-defined tag in the AWS Billing console.
C. Select a specific user-defined tag in the AWS Resource Groups console.
D. Activate the selected tag from each AWS account.
E. Activate the selected tag from the Organizations management account.

Answer: BE
Explanation:
User-defined tags were created by each product team to identify resources. Selecting the relevant tag in the Billing console will group costs.
The tag must be activated from the Organizations management account to consolidate billing across all accounts.
AWS generated tags are predefined by AWS and won’t align to product lines.
Resource Groups (Option C) helps manage resources but not billing.
Activating the tag from each account (Option D) is not needed since Organizations centralizes billing.

QUESTION 659
A company’s solutions architect is designing an AWS multi-account solution that uses AWS Organizations. The solutions architect has organized the company’s accounts into organizational units (OUs).
The solutions architect needs a solution that will identify any changes to the OU hierarchy. The solution also needs to notify the company’s operations team of any changes.
Which solution will meet these requirements with the LEAST operational overhead?

A. Provision the AWS accounts by using AWS Control Tower. Use account drift notifications to identify the changes to the OU hierarchy.
B. Provision the AWS accounts by using AWS Control Tower. Use AWS Config aggregated rules to identify the changes to the OU hierarchy.
C. Use AWS Service Catalog to create accounts in Organizations. Use an AWS CloudTrail organization trail to identify the changes to the OU hierarchy.
D. Use AWS CloudFormation templates to create accounts in Organizations. Use the drift detection operation on a stack to identify the changes to the OU hierarchy.

Answer: A
Explanation:
The key advantages you highlight of Control Tower are convincing:
Fully managed service simplifies multi-account setup.
Built-in account drift notifications detect OU changes automatically.
More scalable and less complex than Config rules or CloudTrail.
Better security and compliance guardrails than custom options.
Lower operational overhead compared to other solution

QUESTION 660
A company’s website handles millions of requests each day, and the number of requests continues to increase. A solutions architect needs to improve the response time of the web application. The solutions architect determines that the application needs to decrease latency when retrieving product details from the Amazon DynamoDB table.
Which solution will meet these requirements with the LEAST amount of operational overhead?

A. Set up a DynamoDB Accelerator (DAX) cluster. Route all read requests through DAX.
B. Set up Amazon ElastiCache for Redis between the DynamoDB table and the web application. Route all read requests through Redis.
C. Set up Amazon ElastiCache for Memcached between the DynamoDB table and the web application. Route all read requests through Memcached.
D. Set up Amazon DynamoDB Streams on the table, and have AWS Lambda read from the table and populate Amazon ElastiCache. Route all read requests through ElastiCache.

Answer: A
Explanation:
DAX provides a DynamoDB-compatible caching layer to reduce read latency. It is purpose-built for accelerating DynamoDB workloads.
Using DAX requires minimal application changes – only read requests are routed through it.
DAX handles caching logic automatically without needing complex integration code.
ElastiCache Redis/Memcached (Options B/C) require more integration work to sync DynamoDB data.
Using Lambda and Streams to populate ElastiCache (Option D) is a complex event-driven approach requiring ongoing maintenance.
DAX plugs in seamlessly to accelerate DynamoDB with very little operational overhead.

QUESTION 661
A solutions architect needs to ensure that API calls to Amazon DynamoDB from Amazon EC2 instances in a VPC do not travel across the internet.
Which combination of steps should the solutions architect take to meet this requirement? (Choose two.)

A. Create a route table entry for the endpoint.
B. Create a gateway endpoint for DynamoDB.
C. Create an interface endpoint for Amazon EC2.
D. Create an elastic network interface for the endpoint in each of the subnets of the VPC.
E. Create a security group entry in the endpoint’s security group to provide access.

Answer: AB
Explanation:
https://docs.aws.amazon.com/vpc/latest/privatelink/vpc-endpoints-ddb.html

QUESTION 662
A company runs its applications on both Amazon Elastic Kubernetes Service (Amazon EKS) clusters and on-premises Kubernetes clusters. The company wants to view all clusters and workloads from a central location.
Which solution will meet these requirements with the LEAST operational overhead?

A. Use Amazon CloudWatch Container Insights to collect and group the cluster information.
B. Use Amazon EKS Connector to register and connect all Kubernetes clusters.
C. Use AWS Systems Manager to collect and view the cluster information.
D. Use Amazon EKS Anywhere as the primary cluster to view the other clusters with native Kubernetes commands.

Answer: B
Explanation:
You can use Amazon EKS Connector to register and connect any conformant Kubernetes cluster to AWS and visualize it in the Amazon EKS console. After a cluster is connected, you can see the status, configuration, and workloads for that cluster in the Amazon EKS console.
https://docs.aws.amazon.com/eks/latest/userguide/eks-connector.html

QUESTION 663
A company is building an ecommerce application and needs to store sensitive customer information. The company needs to give customers the ability to complete purchase transactions on the website. The company also needs to ensure that sensitive customer data is protected, even from database administrators.
Which solution meets these requirements?

A. Store sensitive data in an Amazon Elastic Block Store (Amazon EBS) volume. Use EBS encryption to encrypt the data. Use an IAM instance role to restrict access.
B. Store sensitive data in Amazon RDS for MySQL. Use AWS Key Management Service (AWS KMS) client-side encryption to encrypt the data.
C. Store sensitive data in Amazon S3. Use AWS Key Management Service (AWS KMS) server-side encryption to encrypt the data. Use S3 bucket policies to restrict access.
D. Store sensitive data in Amazon FSx for Windows Server. Mount the file share on application servers. Use Windows file permissions to restrict access.

Answer: B
Explanation:
RDS MySQL provides a fully managed database service well suited for an ecommerce application.
AWS KMS client-side encryption allows encrypting sensitive data before it hits the database. The data remains encrypted at rest.
This protects sensitive customer data from database admins and privileged users.
EBS encryption (Option A) protects data at rest but not in use. IAM roles don’t prevent admin access.
S3 (Option C) encrypts data at rest on the server side. Bucket policies don’t restrict admin access.
FSx file permissions (Option D) don’t prevent admin access to unencrypted data.

QUESTION 664
A company has an on-premises MySQL database that handles transactional data. The company is migrating the database to the AWS Cloud. The migrated database must maintain compatibility with the company’s applications that use the database. The migrated database also must scale automatically during periods of increased demand.
Which migration solution will meet these requirements?

A. Use native MySQL tools to migrate the database to Amazon RDS for MySQL. Configure elastic storage scaling.
B. Migrate the database to Amazon Redshift by using the mysqldump utility. Turn on Auto Scaling for the Amazon Redshift cluster.
C. Use AWS Database Migration Service (AWS DMS) to migrate the database to Amazon Aurora. Turn on Aurora Auto Scaling.
D. Use AWS Database Migration Service (AWS DMS) to migrate the database to Amazon DynamoDB. Configure an Auto Scaling policy.

Answer: C
Explanation:
DMS provides an easy migration path from MySQL to Aurora while minimizing downtime.
Aurora is a MySQL-compatible relational database service that will maintain compatibility with the company’s applications.
Aurora Auto Scaling allows the database to automatically scale up and down based on demand to handle increased workloads.
RDS MySQL (Option A) does not scale as well as the Aurora architecture.
Redshift (Option B) is for analytics, not transactional data, and may not be compatible.
DynamoDB (Option D) is a NoSQL datastore and lacks MySQL compatibility.

QUESTION 665
A company runs multiple Amazon EC2 Linux instances in a VPC across two Availability Zones. The instances host applications that use a hierarchical directory structure. The applications need to read and write rapidly and concurrently to shared storage.
What should a solutions architect do to meet these requirements?

A. Create an Amazon S3 bucket. Allow access from all the EC2 instances in the VPC.
B. Create an Amazon Elastic File System (Amazon EFS) file system. Mount the EFS file system from each EC2 instance.
C. Create a file system on a Provisioned IOPS SSD (io2) Amazon Elastic Block Store (Amazon EBS) volume. Attach the EBS volume to all the EC2 instances.
D. Create file systems on Amazon Elastic Block Store (Amazon EBS) volumes that are attached to each EC2 instance. Synchronize the EBS volumes across the different EC2 instances.

Answer: B
Explanation:
How is Amazon EFS different than Amazon S3?
Amazon EFS provides shared access to data using a traditional file sharing permissions model and hierarchical directory structure via the NFSv4 protocol. Applications that access data using a standard file system interface provided through the operating system can use Amazon EFS to take advantage of the scalability and reliability of file storage in the cloud without writing any new code or adjusting applications.
Amazon S3 is an object storage platform that uses a simple API for storing and accessing data. Applications that do not require a file system structure and are designed to work with object storage can use Amazon S3 as a massively scalable, durable, low-cost object storage solution.

QUESTION 666
A solutions architect is designing a workload that will store hourly energy consumption by business tenants in a building. The sensors will feed a database through HTTP requests that will add up usage for each tenant. The solutions architect must use managed services when possible. The workload will receive more features in the future as the solutions architect adds independent components.
Which solution will meet these requirements with the LEAST operational overhead?

A. Use Amazon API Gateway with AWS Lambda functions to receive the data from the sensors, process the data, and store the data in an Amazon DynamoDB table.
B. Use an Elastic Load Balancer that is supported by an Auto Scaling group of Amazon EC2 instances to receive and process the data from the sensors. Use an Amazon S3 bucket to store the processed data.
C. Use Amazon API Gateway with AWS Lambda functions to receive the data from the sensors, process the data, and store the data in a Microsoft SQL Server Express database on an Amazon EC2 instance.
D. Use an Elastic Load Balancer that is supported by an Auto Scaling group of Amazon EC2 instances to receive and process the data from the sensors. Use an Amazon Elastic File System (Amazon EFS) shared file system to store the processed data.

Answer: A

QUESTION 667
A solutions architect is designing the storage architecture for a new web application used for storing and viewing engineering drawings. All application components will be deployed on the AWS infrastructure.
The application design must support caching to minimize the amount of time that users wait for the engineering drawings to load. The application must be able to store petabytes of data.
Which combination of storage and caching should the solutions architect use?

A. Amazon S3 with Amazon CloudFront
B. Amazon S3 Glacier with Amazon ElastiCache
C. Amazon Elastic Block Store (Amazon EBS) volumes with Amazon CloudFront
D. AWS Storage Gateway with Amazon ElastiCache

Answer: A

QUESTION 668
An Amazon EventBridge rule targets a third-party API. The third-party API has not received any incoming traffic. A solutions architect needs to determine whether the rule conditions are being met and if the rule’s target is being invoked.
Which solution will meet these requirements?

A. Check for metrics in Amazon CloudWatch in the namespace for AWS/Events.
B. Review events in the Amazon Simple Queue Service (Amazon SQS) dead-letter queue.
C. Check for the events in Amazon CloudWatch Logs.
D. Check the trails in AWS CloudTrail for the EventBridge events.

Answer: A

QUESTION 669
A company has a large workload that runs every Friday evening. The workload runs on Amazon EC2 instances that are in two Availability Zones in the us-east-1 Region. Normally, the company must run no more than two instances at all times. However, the company wants to scale up to six instances each Friday to handle a regularly repeating increased workload.
Which solution will meet these requirements with the LEAST operational overhead?

A. Create a reminder in Amazon EventBridge to scale the instances.
B. Create an Auto Scaling group that has a scheduled action.
C. Create an Auto Scaling group that uses manual scaling.
D. Create an Auto Scaling group that uses automatic scaling.

Answer: B
Explanation:
https://docs.aws.amazon.com/autoscaling/ec2/userguide/ec2-auto-scaling-scheduled-scaling.html

QUESTION 670
A company is creating a REST API. The company has strict requirements for the use of TLS. The company requires TLSv1.3 on the API endpoints. The company also requires a specific public third-party certificate authority (CA) to sign the TLS certificate.
Which solution will meet these requirements?

A. Use a local machine to create a certificate that is signed by the third-party CImport the certificate into AWS Certificate Manager (ACM). Create an HTTP API in Amazon API Gateway with a custom domain. Configure the custom domain to use the certificate.
B. Create a certificate in AWS Certificate Manager (ACM) that is signed by the third-party CA. Create an HTTP API in Amazon API Gateway with a custom domain. Configure the custom domain to use the certificate.
C. Use AWS Certificate Manager (ACM) to create a certificate that is signed by the third-party CA. Import the certificate into AWS Certificate Manager (ACM). Create an AWS Lambda function with a Lambda function URL. Configure the Lambda function URL to use the certificate.
D. Create a certificate in AWS Certificate Manager (ACM) that is signed by the third-party CA. Create an AWS Lambda function with a Lambda function URL. Configure the Lambda function URL to use the certificate.

Answer: B
Explanation:
AWS Certificate Manager (ACM) is a service that lets you easily provision, manage, and deploy SSL/TLS certificates for use with AWS services and your internal resources. By creating a certificate in ACM that is signed by the third-party CA, the company can meet its requirement for a specific public third-party CA to sign the TLS certificate.

QUESTION 671
A company runs an application on AWS. The application receives inconsistent amounts of usage. The application uses AWS Direct Connect to connect to an on-premises MySQL-compatible database. The on-premises database consistently uses a minimum of 2 GiB of memory.
The company wants to migrate the on-premises database to a managed AWS service. The company wants to use auto scaling capabilities to manage unexpected workload increases.
Which solution will meet these requirements with the LEAST administrative overhead?

A. Provision an Amazon DynamoDB database with default read and write capacity settings.
B. Provision an Amazon Aurora database with a minimum capacity of 1 Aurora capacity unit (ACU).
C. Provision an Amazon Aurora Serverless v2 database with a minimum capacity of 1 Aurora capacity unit (ACU).
D. Provision an Amazon RDS for MySQL database with 2 GiB of memory.

Answer: C
Explanation:
Aurora Serverless v2 provides auto-scaling so the database can handle inconsistent workloads and spikes automatically without admin intervention.
It can scale down to zero when not in use to minimize costs.
The minimum 1 ACU capacity is sufficient to replace the on-prem 2 GiB database based on the info given.
Serverless capabilities reduce admin overhead for capacity management.
DynamoDB lacks MySQL compatibility and requires more hands-on management.
RDS and provisioned Aurora require manually resizing instances to scale, increasing admin overhead.

QUESTION 672
A company wants to use an event-driven programming model with AWS Lambda. The company wants to reduce startup latency for Lambda functions that run on Java 11. The company does not have strict latency requirements for the applications. The company wants to reduce cold starts and outlier latencies when a function scales up.
Which solution will meet these requirements MOST cost-effectively?

A. Configure Lambda provisioned concurrency.
B. Increase the timeout of the Lambda functions.
C. Increase the memory of the Lambda functions.
D. Configure Lambda SnapStart.1

Answer: D
Explanation:
Lambda SnapStart for Java can improve startup performance for latency-sensitive applications by up to 10x at no extra cost, typically with no changes to your function code.
https://docs.aws.amazon.com/lambda/latest/dg/snapstart.html

QUESTION 673
A financial services company launched a new application that uses an Amazon RDS for MySQL database. The company uses the application to track stock market trends. The company needs to operate the application for only 2 hours at the end of each week. The company needs to optimize the cost of running the database.
Which solution will meet these requirements MOST cost-effectively?

A. Migrate the existing RDS for MySQL database to an Aurora Serverless v2 MySQL database cluster.
B. Migrate the existing RDS for MySQL database to an Aurora MySQL database cluster.
C. Migrate the existing RDS for MySQL database to an Amazon EC2 instance that runs MySQL. Purchase an instance reservation for the EC2 instance.
D. Migrate the existing RDS for MySQL database to an Amazon Elastic Container Service (Amazon ECS) cluster that uses MySQL container images to run tasks.

Answer: A
Explanation:
Aurora Serverless v2 scales compute capacity automatically based on actual usage, down to zero when not in use. This minimizes costs for intermittent usage.
Since it only runs for 2 hours per week, the application is ideal for a serverless architecture like Aurora Serverless.
Aurora Serverless v2 charges per second when the database is active, unlike RDS which charges hourly.
Aurora Serverless provides higher availability than self-managed MySQL on EC2 or ECS.
Using reserved EC2 instances or ECS still incurs charges when not in use versus the fine-grained scaling of serverless.
Standard Aurora clusters have a minimum capacity unlike the auto-scaling serverless architecture.

QUESTION 674
A company deploys its applications on Amazon Elastic Kubernetes Service (Amazon EKS) behind an Application Load Balancer in an AWS Region. The application needs to store data in a PostgreSQL database engine. The company wants the data in the database to be highly available. The company also needs increased capacity for read workloads.
Which solution will meet these requirements with the MOST operational efficiency?

A. Create an Amazon DynamoDB database table configured with global tables.
B. Create an Amazon RDS database with Multi-AZ deployments.
C. Create an Amazon RDS database with Multi-AZ DB cluster deployment.
D. Create an Amazon RDS database configured with cross-Region read replicas.

Answer: C
Explanation:
DB cluster deployment can scale read workloads by adding read replicas. This provides increased capacity for read workloads without impacting the write workload.

QUESTION 675
A company is building a RESTful serverless web application on AWS by using Amazon API Gateway and AWS Lambda. The users of this web application will be geographically distributed, and the company wants to reduce the latency of API requests to these users.
Which type of endpoint should a solutions architect use to meet these requirements?

A. Private endpoint
B. Regional endpoint
C. Interface VPC endpoint
D. Edge-optimized endpoint

Answer: D
Explanation:
An edge-optimized API endpoint typically routes requests to the nearest CloudFront Point of Presence (POP), which could help in cases where your clients are geographically distributed. This is the default endpoint type for API Gateway REST APIs.
https://docs.aws.amazon.com/apigateway/latest/developerguide/api-gateway-api-endpoint-types.html

QUESTION 676
A company uses an Amazon CloudFront distribution to serve content pages for its website. The company needs to ensure that clients use a TLS certificate when accessing the company’s website. The company wants to automate the creation and renewal of the TLS certificates.
Which solution will meet these requirements with the MOST operational efficiency?

A. Use a CloudFront security policy to create a certificate.
B. Use a CloudFront origin access control (OAC) to create a certificate.
C. Use AWS Certificate Manager (ACM) to create a certificate. Use DNS validation for the domain.
D. Use AWS Certificate Manager (ACM) to create a certificate. Use email validation for the domain.

Answer: C
Explanation:
AWS Certificate Manager (ACM) provides free public TLS/SSL certificates and handles certificate renewals automatically.
Using DNS validation with ACM is operationally efficient since it automatically makes changes to Route 53 rather than requiring manual validation steps.
ACM integrates natively with CloudFront distributions for delivering HTTPS content.
CloudFront security policies and origin access controls do not issue TLS certificates.
Email validation requires manual steps to approve the domain validation emails for each renewal.

QUESTION 677
A company deployed a serverless application that uses Amazon DynamoDB as a database layer. The application has experienced a large increase in users. The company wants to improve database response time from milliseconds to microseconds and to cache requests to the database.
Which solution will meet these requirements with the LEAST operational overhead?

A. Use DynamoDB Accelerator (DAX).
B. Migrate the database to Amazon Redshift.
C. Migrate the database to Amazon RDS.
D. Use Amazon ElastiCache for Redis.

Answer: A
Explanation:
Amazon DynamoDB Accelerator (DAX) is a fully managed, highly available, in-memory cache for Amazon DynamoDB that delivers up to a 10 times performance improvement – from milliseconds to microseconds – even at millions of requests per second.

QUESTION 678
A company runs an application that uses Amazon RDS for PostgreSQL. The application receives traffic only on weekdays during business hours. The company wants to optimize costs and reduce operational overhead based on this usage.
Which solution will meet these requirements?

A. Use the Instance Scheduler on AWS to configure start and stop schedules.
B. Turn off automatic backups. Create weekly manual snapshots of the database.
C. Create a custom AWS Lambda function to start and stop the database based on minimum CPU utilization.
D. Purchase All Upfront reserved DB instances.

Answer: A
Explanation:
The Instance Scheduler on AWS solution automates the starting and stopping of Amazon Elastic Compute Cloud (Amazon EC2) and Amazon Relational Database Service (Amazon RDS) instances.
This solution helps reduce operational costs by stopping resources that are not in use and starting them when they are needed. The cost savings can be significant if you leave all of your instances running at full utilization continuously.
https://aws.amazon.com/solutions/implementations/instance-scheduler-on-aws/

QUESTION 679
A company uses locally attached storage to run a latency-sensitive application on premises. The company is using a lift and shift method to move the application to the AWS Cloud. The company does not want to change the application architecture.
Which solution will meet these requirements MOST cost-effectively?

A. Configure an Auto Scaling group with an Amazon EC2 instance. Use an Amazon FSx for Lustre file system to run the application.
B. Host the application on an Amazon EC2 instance. Use an Amazon Elastic Block Store (Amazon EBS) GP2 volume to run the application.
C. Configure an Auto Scaling group with an Amazon EC2 instance. Use an Amazon FSx for OpenZFS file system to run the application.
D. Host the application on an Amazon EC2 instance. Use an Amazon Elastic Block Store (Amazon EBS) GP3 volume to run the application.

Answer: D

QUESTION 680
A company runs a stateful production application on Amazon EC2 instances. The application requires at least two EC2 instances to always be running.
A solutions architect needs to design a highly available and fault-tolerant architecture for the application. The solutions architect creates an Auto Scaling group of EC2 instances.
Which set of additional steps should the solutions architect take to meet these requirements?

A. Set the Auto Scaling group’s minimum capacity to two. Deploy one On-Demand Instance in one Availability Zone and one On-Demand Instance in a second Availability Zone.
B. Set the Auto Scaling group’s minimum capacity to four. Deploy two On-Demand Instances in one Availability Zone and two On-Demand Instances in a second Availability Zone.
C. Set the Auto Scaling group’s minimum capacity to two. Deploy four Spot Instances in one Availability Zone.
D. Set the Auto Scaling group’s minimum capacity to four. Deploy two On-Demand Instances in one Availability Zone and two Spot Instances in a second Availability Zone.

Answer: B
Explanation:
By setting the Auto Scaling group’s minimum capacity to four, the architect ensures that there are always at least two running instances. Deploying two On-Demand Instances in each of two Availability Zones ensures that the application is highly available and fault-tolerant. If one Availability Zone becomes unavailable, the application can still run in the other Availability Zone.

QUESTION 681
An ecommerce company uses Amazon Route 53 as its DNS provider. The company hosts its website on premises and in the AWS Cloud. The company’s on-premises data center is near the us-west-1 Region. The company uses the eu-central-1 Region to host the website. The company wants to minimize load time for the website as much as possible.
Which solution will meet these requirements?

A. Set up a geolocation routing policy. Send the traffic that is near us-west-1 to the on-premises data center. Send the traffic that is near eu-central-1 to eu-central-1.
B. Set up a simple routing policy that routes all traffic that is near eu-central-1 to eu-central-1 and routes all traffic that is near the on-premises datacenter to the on-premises data center.
C. Set up a latency routing policy. Associate the policy with us-west-1.
D. Set up a weighted routing policy. Split the traffic evenly between eu-central-1 and the on-premises data center.

Answer: A
Explanation:
https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/routing-policy-geo.html

QUESTION 682
A company has 5 PB of archived data on physical tapes. The company needs to preserve the data on the tapes for another 10 years for compliance purposes. The company wants to migrate to AWS in the next 6 months. The data center that stores the tapes has a 1 Gbps uplink internet connectivity.
Which solution will meet these requirements MOST cost-effectively?

A. Read the data from the tapes on premises. Stage the data in a local NFS storage. Use AWS DataSync to migrate the data to Amazon S3 Glacier Flexible Retrieval.
B. Use an on-premises backup application to read the data from the tapes and to write directly to Amazon S3 Glacier Deep Archive.
C. Order multiple AWS Snowball devices that have Tape Gateway. Copy the physical tapes to virtual tapes in Snowball. Ship the Snowball devices to AWS. Create a lifecycle policy to move the tapes to Amazon S3 Glacier Deep Archive.
D. Configure an on-premises Tape Gateway. Create virtual tapes in the AWS Cloud. Use backup software to copy the physical tape to the virtual tape.

Answer: C

QUESTION 683
A company is deploying an application that processes large quantities of data in parallel. The company plans to use Amazon EC2 instances for the workload. The network architecture must be configurable to prevent groups of nodes from sharing the same underlying hardware.
Which networking solution meets these requirements?

A. Run the EC2 instances in a spread placement group.
B. Group the EC2 instances in separate accounts.
C. Configure the EC2 instances with dedicated tenancy.
D. Configure the EC2 instances with shared tenancy.

Answer: C
Explanation:
Configuring the EC2 instances with dedicated tenancy ensures that each instance will run on isolated, single-tenant hardware. This meets the requirement to prevent groups of nodes from sharing underlying hardware.
A spread placement group only provides isolation at the Availability Zone level. Instances could still share hardware within an AZ.

QUESTION 684
A solutions architect is designing a disaster recovery (DR) strategy to provide Amazon EC2 capacity in a failover AWS Region. Business requirements state that the DR strategy must meet capacity in the failover Region.
Which solution will meet these requirements?

A. Purchase On-Demand Instances in the failover Region.
B. Purchase an EC2 Savings Plan in the failover Region.
C. Purchase regional Reserved Instances in the failover Region.
D. Purchase a Capacity Reservation in the failover Region.

Answer: D
Explanation:
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/reserved-instances-scope.html

QUESTION 685
A company has five organizational units (OUs) as part of its organization in AWS Organizations. Each OU correlates to the five businesses that the company owns. The company’s research and development (R&D) business is separating from the company and will need its own organization. A solutions architect creates a separate new management account for this purpose.
What should the solutions architect do next in the new management account?

A. Have the R&D AWS account be part of both organizations during the transition.
B. Invite the R&D AWS account to be part of the new organization after the R&D AWS account has left the prior organization.
C. Create a new R&D AWS account in the new organization. Migrate resources from the prior R&D AWS account to the new R&D AWS account.
D. Have the R&D AWS account join the new organization. Make the new management account a member of the prior organization.

Answer: B
Explanation:
https://aws.amazon.com/blogs/mt/migrating-accounts-between-aws-organizations-with-consolidated-billing-to-all-features/

QUESTION 686
A company is designing a solution to capture customer activity in different web applications to process analytics and make predictions. Customer activity in the web applications is unpredictable and can increase suddenly. The company requires a solution that integrates with other web applications. The solution must include an authorization step for security purposes.
Which solution will meet these requirements?

A. Configure a Gateway Load Balancer (GWLB) in front of an Amazon Elastic Container Service (Amazon ECS) container instance that stores the information that the company receives in an Amazon Elastic File System (Amazon EFS) file system. Authorization is resolved at the GWLB.
B. Configure an Amazon API Gateway endpoint in front of an Amazon Kinesis data stream that stores the information that the company receives in an Amazon S3 bucket. Use an AWS Lambda function to resolve authorization.
C. Configure an Amazon API Gateway endpoint in front of an Amazon Kinesis Data Firehose that stores the information that the company receives in an Amazon S3 bucket. Use an API Gateway Lambda authorizer to resolve authorization.
D. Configure a Gateway Load Balancer (GWLB) in front of an Amazon Elastic Container Service (Amazon ECS) container instance that stores the information that the company receives on an Amazon Elastic File System (Amazon EFS) file system. Use an AWS Lambda function to resolve authorization.

Answer: C
Explanation:
https://docs.aws.amazon.com/apigateway/latest/developerguide/apigateway-use-lambda-authorizer.html

QUESTION 687
An ecommerce company wants a disaster recovery solution for its Amazon RDS DB instances that run Microsoft SQL Server Enterprise Edition. The company’s current recovery point objective (RPO) and recovery time objective (RTO) are 24 hours.
Which solution will meet these requirements MOST cost-effectively?

A. Create a cross-Region read replica and promote the read replica to the primary instance.
B. Use AWS Database Migration Service (AWS DMS) to create RDS cross-Region replication.
C. Use cross-Region replication every 24 hours to copy native backups to an Amazon S3 bucket.
D. Copy automatic snapshots to another Region every 24 hours.

Answer: D
Explanation:
Amazon RDS creates and saves automated backups of your DB instance or Multi-AZ DB cluster during the backup window of your DB instance. RDS creates a storage volume snapshot of your DB instance, backing up the entire DB instance and not just individual databases. RDS saves the automated backups of your DB instance according to the backup retention period that you specify. If necessary, you can recover your DB instance to any point in time during the backup retention period.

QUESTION 688
A company runs a web application on Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer that has sticky sessions enabled. The web server currently hosts the user session state. The company wants to ensure high availability and avoid user session state loss in the event of a web server outage.
Which solution will meet these requirements?

A. Use an Amazon ElastiCache for Memcached instance to store the session data. Update the application to use ElastiCache for Memcached to store the session state.
B. Use Amazon ElastiCache for Redis to store the session state. Update the application to use ElastiCache for Redis to store the session state.
C. Use an AWS Storage Gateway cached volume to store session data. Update the application to use AWS Storage Gateway cached volume to store the session state.
D. Use Amazon RDS to store the session state. Update the application to use Amazon RDS to store the session state.

Answer: B
Explanation:
ElastiCache Redis provides in-memory caching that can deliver microsecond latency for session data.
Redis supports replication and multi-AZ which can provide high availability for the cache.
The application can be updated to store session data in ElastiCache Redis rather than locally on the web servers.
If a web server fails, the user can be routed via the load balancer to another web server which can retrieve their session data from the highly available ElastiCache Redis cluster.

QUESTION 689
A company migrated a MySQL database from the company’s on-premises data center to an Amazon RDS for MySQL DB instance. The company sized the RDS DB instance to meet the company’s average daily workload. Once a month, the database performs slowly when the company runs queries for a report. The company wants to have the ability to run reports and maintain the performance of the daily workloads.
Which solution will meet these requirements?

A. Create a read replica of the database. Direct the queries to the read replica.
B. Create a backup of the database. Restore the backup to another DB instance. Direct the queries to the new database.
C. Export the data to Amazon S3. Use Amazon Athena to query the S3 bucket.
D. Resize the DB instance to accommodate the additional workload.

Answer: A

QUESTION 690
A company runs a container application by using Amazon Elastic Kubernetes Service (Amazon EKS). The application includes microservices that manage customers and place orders. The company needs to route incoming requests to the appropriate microservices.
Which solution will meet this requirement MOST cost-effectively?

A. Use the AWS Load Balancer Controller to provision a Network Load Balancer.
B. Use the AWS Load Balancer Controller to provision an Application Load Balancer.
C. Use an AWS Lambda function to connect the requests to Amazon EKS.
D. Use Amazon API Gateway to connect the requests to Amazon EKS.

Answer: D
Explanation:
API Gateway provides an entry point to your microservices.
https://aws.amazon.com/blogs/containers/integrate-amazon-api-gateway-with-amazon-eks/

QUESTION 691
A company uses AWS and sells access to copyrighted images. The company’s global customer base needs to be able to access these images quickly. The company must deny access to users from specific countries. The company wants to minimize costs as much as possible.
Which solution will meet these requirements?

A. Use Amazon S3 to store the images. Turn on multi-factor authentication (MFA) and public bucket access. Provide customers with a link to the S3 bucket.
B. Use Amazon S3 to store the images. Create an IAM user for each customer. Add the users to a group that has permission to access the S3 bucket.
C. Use Amazon EC2 instances that are behind Application Load Balancers (ALBs) to store the images. Deploy the instances only in the countries the company services. Provide customers with links to the ALBs for their specific country’s instances.
D. Use Amazon S3 to store the images. Use Amazon CloudFront to distribute the images with geographic restrictions. Provide a signed URL for each customer to access the data in CloudFront.

Answer: D
Explanation:
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/georestrictions.html

QUESTION 692
A solutions architect is designing a highly available Amazon ElastiCache for Redis based solution. The solutions architect needs to ensure that failures do not result in performance degradation or loss of data locally and within an AWS Region. The solution needs to provide high availability at the node level and at the Region level.
Which solution will meet these requirements?

A. Use Multi-AZ Redis replication groups with shards that contain multiple nodes.
B. Use Redis shards that contain multiple nodes with Redis append only files (AOF) turned on.
C. Use a Multi-AZ Redis cluster with more than one read replica in the replication group.
D. Use Redis shards that contain multiple nodes with Auto Scaling turned on.

Answer: A
Explanation:
https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/Replication.html

QUESTION 693
A company plans to migrate to AWS and use Amazon EC2 On-Demand Instances for its application. During the migration testing phase, a technical team observes that the application takes a long time to launch and load memory to become fully productive.
Which solution will reduce the launch time of the application during the next testing phase?

A. Launch two or more EC2 On-Demand Instances. Turn on auto scaling features and make the EC2 On-Demand Instances available during the next testing phase.
B. Launch EC2 Spot Instances to support the application and to scale the application so it is available during the next testing phase.
C. Launch the EC2 On-Demand Instances with hibernation turned on. Configure EC2 Auto Scaling warm pools during the next testing phase.
D. Launch EC2 On-Demand Instances with Capacity Reservations. Start additional EC2 instances during the next testing phase.

Answer: C
Explanation:
With Amazon EC2 hibernation enabled, you can maintain your EC2 instances in a “pre-warmed” state so these can get to a productive state faster.

QUESTION 694
A company’s applications run on Amazon EC2 instances in Auto Scaling groups. The company notices that its applications experience sudden traffic increases on random days of the week. The company wants to maintain application performance during sudden traffic increases.
Which solution will meet these requirements MOST cost-effectively?

A. Use manual scaling to change the size of the Auto Scaling group.
B. Use predictive scaling to change the size of the Auto Scaling group.
C. Use dynamic scaling to change the size of the Auto Scaling group.
D. Use schedule scaling to change the size of the Auto Scaling group.

Answer: C
Explanation:
Dynamic Scaling – This is yet another type of Auto Scaling in which the number of EC2 instances is changed automatically depending on the signals received. Dynamic Scaling is a good choice when there is a high volume of unpredictable traffic.

QUESTION 695
An ecommerce application uses a PostgreSQL database that runs on an Amazon EC2 instance. During a monthly sales event, database usage increases and causes database connection issues for the application. The traffic is unpredictable for subsequent monthly sales events, which impacts the sales forecast. The company needs to maintain performance when there is an unpredictable increase in traffic.
Which solution resolves this issue in the MOST cost-effective way?

A. Migrate the PostgreSQL database to Amazon Aurora Serverless v2.
B. Enable auto scaling for the PostgreSQL database on the EC2 instance to accommodate increased usage.
C. Migrate the PostgreSQL database to Amazon RDS for PostgreSQL with a larger instance type.
D. Migrate the PostgreSQL database to Amazon Redshift to accommodate increased usage.

Answer: A
Explanation:
Aurora Serverless v2 got autoscaling, highly available and cheaper when compared to the other options.

QUESTION 696
A company hosts an internal serverless application on AWS by using Amazon API Gateway and AWS Lambda. The company’s employees report issues with high latency when they begin using the application each day. The company wants to reduce latency.
Which solution will meet these requirements?

A. Increase the API Gateway throttling limit.
B. Set up a scheduled scaling to increase Lambda provisioned concurrency before employees begin to use the application each day.
C. Create an Amazon CloudWatch alarm to initiate a Lambda function as a target for the alarm at the beginning of each day.
D. Increase the Lambda function memory.

Answer: B
Explanation:
https://aws.amazon.com/blogs/compute/scheduling-aws-lambda-provisioned-concurrency-for-recurring-peak-usage/

QUESTION 697
A research company uses on-premises devices to generate data for analysis. The company wants to use the AWS Cloud to analyze the data. The devices generate .csv files and support writing the data to an SMB file share. Company analysts must be able to use SQL commands to query the data. The analysts will run queries periodically throughout the day.
Which combination of steps will meet these requirements MOST cost-effectively? (Choose three.)

A. Deploy an AWS Storage Gateway on premises in Amazon S3 File Gateway mode.
B. Deploy an AWS Storage Gateway on premises in Amazon FSx File Gateway made.
C. Set up an AWS Glue crawler to create a table based on the data that is in Amazon S3.
D. Set up an Amazon EMR cluster with EMR File System (EMRFS) to query the data that is in Amazon S3. Provide access to analysts.
E. Set up an Amazon Redshift cluster to query the data that is in Amazon S3. Provide access to analysts.
F. Setup Amazon Athena to query the data that is in Amazon S3. Provide access to analysts.

Answer: ACF
Explanation:
https://docs.aws.amazon.com/glue/latest/dg/aws-glue-programming-etl-format-csv-home.html
https://aws.amazon.com/blogs/aws/amazon-athena-interactive-sql-queries-for-data-in-amazon-s3/
https://aws.amazon.com/storagegateway/faqs/

QUESTION 698
A company wants to use Amazon Elastic Container Service (Amazon ECS) clusters and Amazon RDS DB instances to build and run a payment processing application. The company will run the application in its on-premises data center for compliance purposes.
A solutions architect wants to use AWS Outposts as part of the solution. The solutions architect is working with the company’s operational team to build the application.
Which activities are the responsibility of the company’s operational team? (Choose three.)

A. Providing resilient power and network connectivity to the Outposts racks
B. Managing the virtualization hypervisor, storage systems, and the AWS services that run on Outposts
C. Physical security and access controls of the data center environment
D. Availability of the Outposts infrastructure including the power supplies, servers, and networking equipment within the Outposts racks
E. Physical maintenance of Outposts components
F. Providing extra capacity for Amazon ECS clusters to mitigate server failures and maintenance events

Answer: ACF
Explanation:
https://docs.aws.amazon.com/whitepapers/latest/aws-outposts-high-availability-design/aws-outposts-high-availability-design.html
With Outposts, you are responsible for providing resilient power and network connectivity to the Outpost racks to meet your availability requirements for workloads running on Outposts. You are responsible for the physical security and access controls of the data center environment. You must provide sufficient power, space, and cooling to keep the Outpost operational and network connections to connect the Outpost back to the Region. Since Outpost capacity is finite and determined by the size and number of racks AWS installs at your site, you must decide how much EC2, EBS, and S3 on Outposts capacity you need to run your initial workloads, accommodate future growth, and to provide extra capacity to mitigate server failures and maintenance events.

QUESTION 699
A company is planning to migrate a TCP-based application into the company’s VPC. The application is publicly accessible on a nonstandard TCP port through a hardware appliance in the company’s data center. This public endpoint can process up to 3 million requests per second with low latency. The company requires the same level of performance for the new public endpoint in AWS.
What should a solutions architect recommend to meet this requirement?

A. Deploy a Network Load Balancer (NLB). Configure the NLB to be publicly accessible over the TCP port that the application requires.
B. Deploy an Application Load Balancer (ALB). Configure the ALB to be publicly accessible over the TCP port that the application requires.
C. Deploy an Amazon CloudFront distribution that listens on the TCP port that the application requires. Use an Application Load Balancer as the origin.
D. Deploy an Amazon API Gateway API that is configured with the TCP port that the application requires. Configure AWS Lambda functions with provisioned concurrency to process the requests.

Answer: A
Explanation:
Since the company requires the same level of performance for the new public endpoint in AWS.
A Network Load Balancer functions at the fourth layer of the Open Systems Interconnection (OSI) model. It can handle millions of requests per second. After the load balancer receives a connection request, it selects a target from the target group for the default rule. It attempts to open a TCP connection to the selected target on the port specified in the listener configuration.
https://docs.aws.amazon.com/elasticloadbalancing/latest/network/introduction.html

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