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SAA-C03 — questions

Page 46 of 51 · 1019 total questions.

SAA-C03 Question 901

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Topic 1 · Question 901

A company is migrating its workloads to AWS. The company has sensitive and critical data in on-premises relational databases that run on SQL Server instances. The company wants to use the AWS Cloud to increase security and reduce operational overhead for the databases. Which solution will meet these requirements?

  • AMigrate the databases to Amazon EC2 instances. Use an AWS Key Management Service (AWS KMS) AWS managed key for encryption.
  • BMigrate the databases to a Multi-AZ Amazon RDS for SQL Server DB instance. Use an AWS Key Management Service (AWS KMS) AWS managed key for encryption. (correct answer)
  • CMigrate the data to an Amazon S3 bucket. Use Amazon Macie to ensure data security.
  • DMigrate the databases to an Amazon DynamoDB table. Use Amazon CloudWatch Logs to ensure data security.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Migrate the databases to a Multi-AZ Amazon RDS for SQL Server DB instance. Use an AWS Key Management Service (AWS KMS) AWS managed key for encryption.

Explanation

Amazon RDS is a managed relational database that handles patching, backups and failover. AWS KMS manages encryption keys and integrates with most AWS services for encryption at rest.

SAA-C03 Question 902

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Topic 1 · Question 902

A company wants to migrate an application to AWS. The company wants to increase the application's current availability. The company wants to use AWS WAF in the application's architecture. Which solution will meet these requirements?

  • ACreate an Auto Scaling group that contains multiple Amazon EC2 instances that host the application across two Availability Zones. Configure an Application Load Balancer (ALB) and set the Auto Scaling group as the target. Connect a WAF to the ALB. (correct answer)
  • BCreate a cluster placement group that contains multiple Amazon EC2 instances that hosts the application. Configure an Application Load Balancer and set the EC2 instances as the targets. Connect a WAF to the placement group.
  • CCreate two Amazon EC2 instances that host the application across two Availability Zones. Configure the EC2 instances as the targets of an Application Load Balancer (ALB). Connect a WAF to the ALB.
  • DCreate an Auto Scaling group that contains multiple Amazon EC2 instances that host the application across two Availability Zones. Configure an Application Load Balancer (ALB) and set the Auto Scaling group as the target. Connect a WAF to the Auto Scaling group.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Create an Auto Scaling group that contains multiple Amazon EC2 instances that host the application across two Availability Zones. Configure an Application Load Balancer (ALB) and set the Auto Scaling group as the targ...

Explanation

Auto Scaling adjusts capacity automatically to match demand, improving availability and cost efficiency. Amazon EC2 provides resizable virtual servers when you need full control of the operating system. An Application Load Balancer distributes HTTP/HTTPS traffic and supports path/host routing.

SAA-C03 Question 903

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Topic 1 · Question 903

A company manages a data lake in an Amazon S3 bucket that numerous applications access. The S3 bucket contains a unique prefix for each application. The company wants to restrict each application to its specific prefix and to have granular control of the objects under each prefix. Which solution will meet these requirements with the LEAST operational overhead?

  • ACreate dedicated S3 access points and access point policies for each application. (correct answer)
  • BCreate an S3 Batch Operations job to set the ACL permissions for each object in the S3 bucket.
  • CReplicate the objects in the S3 bucket to new S3 buckets for each application. Create replication rules by prefix.
  • DReplicate the objects in the S3 bucket to new S3 buckets for each application. Create dedicated S3 access points for each application.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Create dedicated S3 access points and access point policies for each application.

Explanation

Amazon S3 provides durable, scalable object storage that is fully managed.

SAA-C03 Question 904

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Topic 1 · Question 904

A company has an application that customers use to upload images to an Amazon S3 bucket. Each night, the company launches an Amazon EC2 Spot Fleet that processes all the images that the company received that day. The processing for each image takes 2 minutes and requires 512 MB of memory. A solutions architect needs to change the application to process the images when the images are uploaded. Which change will meet these requirements MOST cost-effectively?

  • AUse S3 Event Notifications to write a message with image details to an Amazon Simple Queue Service (Amazon SQS) queue. Configure an AWS Lambda function to read the messages from the queue and to process the images. (correct answer)
  • BUse S3 Event Notifications to write a message with image details to an Amazon Simple Queue Service (Amazon SQS) queue. Configure an EC2 Reserved Instance to read the messages from the queue and to process the images.
  • CUse S3 Event Notifications to publish a message with image details to an Amazon Simple Notification Service (Amazon SNS) topic. Configure a container instance in Amazon Elastic Container Service (Amazon ECS) to subscribe to the topic and to process the images.
  • DUse S3 Event Notifications to publish a message with image details to an Amazon Simple Notification Service (Amazon SNS) topic. Configure an AWS Elastic Beanstalk application to subscribe to the topic and to process the images.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Use S3 Event Notifications to write a message with image details to an Amazon Simple Queue Service (Amazon SQS) queue. Configure an AWS Lambda function to read the messages from the queue and to process the images.

Explanation

AWS Lambda runs code without provisioning servers and scales automatically, which minimizes operational overhead. Amazon S3 provides durable, scalable object storage that is fully managed. Amazon SQS is a fully managed message queue that decouples components and absorbs traffic spikes. This option delivers the requirement at the lowest cost.

SAA-C03 Question 905

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Topic 1 · Question 905 · Select all that apply

A company wants to improve the availability and performance of its hybrid application. The application consists of a stateful TCP-based workload hosted on Amazon EC2 instances in different AWS Regions and a stateless UDP-based workload hosted on premises. Which combination of actions should a solutions architect take to improve availability and performance? (Choose two.)

  • ACreate an accelerator using AWS Global Accelerator. Add the load balancers as endpoints. (correct answer)
  • BCreate an Amazon CloudFront distribution with an origin that uses Amazon Route 53 latency-based routing to route requests to the load balancers.
  • CConfigure two Application Load Balancers in each Region. The first will route to the EC2 endpoints, and the second will route to the on-premises endpoints.
  • DConfigure a Network Load Balancer in each Region to address the EC2 endpoints. Configure a Network Load Balancer in each Region that routes to the on-premises endpoints. (correct answer)
  • EConfigure a Network Load Balancer in each Region to address the EC2 endpoints. Configure an Application Load Balancer in each Region that routes to the on-premises endpoints.
Reveal answer & explanation
Correct answer: A, D

The correct answer is A, D. Option A: Create an accelerator using AWS Global Accelerator. Add the load balancers as endpoints. Option D: Configure a Network Load Balancer in each Region to address the EC2 endpoints. Configure a Network Load Balancer in each Region that routes to the on-premises endpoints.

Explanation

Amazon EC2 provides resizable virtual servers when you need full control of the operating system. AWS Global Accelerator routes users over the AWS backbone to the optimal endpoint for lower latency and fast failover. A Network Load Balancer handles very high throughput TCP/UDP traffic with ultra-low latency and static IPs.

SAA-C03 Question 906

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Topic 1 · Question 906

A company runs a self-managed Microsoft SQL Server on Amazon EC2 instances and Amazon Elastic Block Store (Amazon EBS). Daily snapshots are taken of the EBS volumes. Recently, all the company’s EBS snapshots were accidentally deleted while running a snapshot cleaning script that deletes all expired EBS snapshots. A solutions architect needs to update the architecture to prevent data loss without retaining EBS snapshots indefinitely. Which solution will meet these requirements with the LEAST development effort?

  • AChange the IAM policy of the user to deny EBS snapshot deletion.
  • BCopy the EBS snapshots to another AWS Region after completing the snapshots daily.
  • CCreate a 7-day EBS snapshot retention rule in Recycle Bin and apply the rule for all snapshots. (correct answer)
  • DCopy EBS snapshots to Amazon S3 Standard-Infrequent Access (S3 Standard-IA).
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Create a 7-day EBS snapshot retention rule in Recycle Bin and apply the rule for all snapshots.

Explanation

Amazon EBS provides block storage attached to a single EC2 instance.

SAA-C03 Question 907

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Topic 1 · Question 907

A company wants to use an AWS CloudFormation stack for its application in a test environment. The company stores the CloudFormation template in an Amazon S3 bucket that blocks public access. The company wants to grant CloudFormation access to the template in the S3 bucket based on specific user requests to create the test environment. The solution must follow security best practices. Which solution will meet these requirements?

  • ACreate a gateway VPC endpoint for Amazon S3. Configure the CloudFormation stack to use the S3 object URL.
  • BCreate an Amazon API Gateway REST API that has the S3 bucket as the target. Configure the CloudFormation stack to use the API Gateway URL.
  • CCreate a presigned URL for the template object. Configure the CloudFormation stack to use the presigned URL. (correct answer)
  • DAllow public access to the template object in the S3 bucket. Block the public access after the test environment is created.
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Create a presigned URL for the template object. Configure the CloudFormation stack to use the presigned URL.

Explanation

AWS Config tracks resource configuration changes and evaluates compliance. AWS CloudFormation provisions infrastructure as code repeatably.

SAA-C03 Question 908

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Topic 1 · Question 908

A company has applications that run in an organization in AWS Organizations. The company outsources operational support of the applications. The company needs to provide access for the external support engineers without compromising security. The external support engineers need access to the AWS Management Console. The external support engineers also need operating system access to the company’s fleet ofAmazon EC2 instances that run Amazon Linux in private subnets. Which solution will meet these requirements MOST securely?

  • AConfirm that AWS Systems Manager Agent (SSM Agent) is installed on all instances. Assign an instance profile with the necessary policy to connect to Systems Manager. Use AWS IAM Identity Center to provide the external support engineers console access. Use Systems Manager Session Manager to assign the required permissions. (correct answer)
  • BConfirm that AWS Systems Manager Agent (SSM Agent) is installed on all instances. Assign an instance profile with the necessary policy to connect to Systems Manager. Use Systems Manager Session Manager to provide local IAM user credentials in each AWS account to the external support engineers for console access.
  • CConfirm that all instances have a security group that allows SSH access only from the external support engineers’ source IP address ranges. Provide local IAM user credentials in each AWS account to the external support engineers for console access. Provide each external support engineer an SSH key pair to log in to the application instances.
  • DCreate a bastion host in a public subnet. Set up the bastion host security group to allow access from only the external engineers’ IP address ranges. Ensure that all instances have a security group that allows SSH access from the bastion host. Provide each external support engineer an SSH key pair to log in to the application instances. Provide local account IAM user credentials to the engineers for console access.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Confirm that AWS Systems Manager Agent (SSM Agent) is installed on all instances. Assign an instance profile with the necessary policy to connect to Systems Manager. Use AWS IAM Identity Center to provide the external...

Explanation

AWS IAM controls authenticated and authorized access to AWS resources with fine-grained policies. AWS IAM Identity Center (SSO) centrally manages workforce access to multiple accounts and apps. AWS Systems Manager operates and automates management of fleets of resources.

SAA-C03 Question 909

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Topic 1 · Question 909

A company uses Amazon RDS for PostgreSQL to run its applications in the us-east-1 Region. The company also uses machine learning (ML) models to forecast annual revenue based on near real-time reports. The reports are generated by using the same RDS for PostgreSQL database. The database performance slows during business hours. The company needs to improve database performance. Which solution will meet these requirements MOST cost-effectively?

  • ACreate a cross-Region read replica. Configure the reports to be generated from the read replica.
  • BActivate Multi-AZ DB instance deployment for RDS for PostgreSQL. Configure the reports to be generated from the standby database.
  • CUse AWS Data Migration Service (AWS DMS) to logically replicate data to a new database. Configure the reports to be generated from the new database.
  • DCreate a read replica in us-east-1. Configure the reports to be generated from the read replica. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Create a read replica in us-east-1. Configure the reports to be generated from the read replica.

Explanation

AWS Config tracks resource configuration changes and evaluates compliance. This option delivers the requirement at the lowest cost.

SAA-C03 Question 910

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Topic 1 · Question 910

A company hosts its multi-tier, public web application in the AWS Cloud. The web application runs on Amazon EC2 instances, and its database runs on Amazon RDS. The company is anticipating a large increase in sales during an upcoming holiday weekend. A solutions architect needs to build a solution to analyze the performance of the web application with a granularity of no more than 2 minutes. What should the solutions architect do to meet this requirement?

  • ASend Amazon CloudWatch logs to Amazon Redshift. Use Amazon QuickS ght to perform further analysis.
  • BEnable detailed monitoring on all EC2 instances. Use Amazon CloudWatch metrics to perform further analysis. (correct answer)
  • CCreate an AWS Lambda function to fetch EC2 logs from Amazon CloudWatch Logs. Use Amazon CloudWatch metrics to perform further analysis.
  • DSend EC2 logs to Amazon S3. Use Amazon Redshift to fetch logs from the S3 bucket to process raw data for further analysis with Amazon QuickSight.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Enable detailed monitoring on all EC2 instances. Use Amazon CloudWatch metrics to perform further analysis.

Explanation

Amazon EC2 provides resizable virtual servers when you need full control of the operating system. Amazon CloudWatch collects metrics, logs and alarms to monitor and react to operational health.

SAA-C03 Question 911

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Topic 1 · Question 911

A company runs an application that stores and shares photos. Users upload the photos to an Amazon S3 bucket. Every day, users upload approximately 150 photos. The company wants to design a solution that creates a thumbnail of each new photo and stores the thumbnail in a second S3 bucket. Which solution will meet these requirements MOST cost-effectively?

  • AConfigure an Amazon EventBridge scheduled rule to invoke a script every minute on a long-running Amazon EMR cluster. Configure the script to generate thumbnails for the photos that do not have thumbnails. Configure the script to upload the thumbnails to the second S3 bucket.
  • BConfigure an Amazon EventBridge scheduled rule to invoke a script every minute on a memory-optimized Amazon EC2 instance that is always on. Configure the script to generate thumbnails for the photos that do not have thumbnails. Configure the script to upload the thumbnails to the second S3 bucket.
  • CConfigure an S3 event notification to invoke an AWS Lambda function each time a user uploads a new photo to the application. Configure the Lambda function to generate a thumbnail and to upload the thumbnail to the second S3 bucket. (correct answer)
  • DConfigure S3 Storage Lens to invoke an AWS Lambda function each time a user uploads a new photo to the application. Configure the Lambda function to generate a thumbnail and to upload the thumbnail to a second S3 bucket.
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Configure an S3 event notification to invoke an AWS Lambda function each time a user uploads a new photo to the application. Configure the Lambda function to generate a thumbnail and to upload the thumbnail to the sec...

Explanation

AWS Lambda runs code without provisioning servers and scales automatically, which minimizes operational overhead. Amazon S3 provides durable, scalable object storage that is fully managed. AWS Config tracks resource configuration changes and evaluates compliance. This option delivers the requirement at the lowest cost.

SAA-C03 Question 912

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Topic 1 · Question 912

A company has stored millions of objects across multiple prefixes in an Amazon S3 bucket by using the Amazon S3 Glacier Deep Archive storage class. The company needs to delete all data older than 3 years except for a subset of data that must be retained. The company has identified the data that must be retained and wants to implement a serverless solution. Which solution will meet these requirements?

  • AUse S3 Inventory to list all objects. Use the AWS CLI to create a script that runs on an Amazon EC2 instance that deletes objects from the inventory list.
  • BUse AWS Batch to delete objects older than 3 years except for the data that must be retained.
  • CProvision an AWS Glue crawler to query objects older than 3 years. Save the manifest file of old objects. Create a script to delete objects in the manifest.
  • DEnable S3 Inventory. Create an AWS Lambda function to filter and delete objects. Invoke the Lambda function with S3 Batch Operations to delete objects by using the inventory reports. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Enable S3 Inventory. Create an AWS Lambda function to filter and delete objects. Invoke the Lambda function with S3 Batch Operations to delete objects by using the inventory reports.

Explanation

AWS Lambda runs code without provisioning servers and scales automatically, which minimizes operational overhead. AWS Batch schedules and runs batch computing jobs at any scale without managing clusters. Amazon S3 provides durable, scalable object storage that is fully managed.

SAA-C03 Question 913

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Topic 1 · Question 913

A company is building an application on AWS. The application uses multiple AWS Lambda functions to retrieve sensitive data from a single Amazon S3 bucket for processing. The company must ensure that only authorized Lambda functions can access the data. The solution must comply with the principle of least privilege. Which solution will meet these requirements?

  • AGrant full S3 bucket access to all Lambda functions through a shared IAM role.
  • BConfigure the Lambda functions to run within a VPC. Configure a bucket policy to grant access based on the Lambda functions' VPC endpoint IP addresses.
  • CCreate individual IAM roles for each Lambda function. Grant the IAM roles access to the S3 bucket. Assign each IAM role as the Lambda execution role for its corresponding Lambda function. (correct answer)
  • DConfigure a bucket policy granting access to the Lambda functions based on their function ARNs.
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Create individual IAM roles for each Lambda function. Grant the IAM roles access to the S3 bucket. Assign each IAM role as the Lambda execution role for its corresponding Lambda function.

Explanation

AWS Lambda runs code without provisioning servers and scales automatically, which minimizes operational overhead. Amazon S3 provides durable, scalable object storage that is fully managed. An IAM role grants temporary, least-privilege permissions to AWS resources without long-term credentials.

SAA-C03 Question 914

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Topic 1 · Question 914

A company has developed a non-production application that is composed of multiple microservices for each of the company's business units. A single development team maintains all the microservices. The current architecture uses a static web frontend and a Java-based backend that contains the application logic. The architecture also uses a MySQL database that the company hosts on an Amazon EC2 instance. The company needs to ensure that the application is secure and available globally. Which solution will meet these requirements with the LEAST operational overhead?

  • AUse Amazon CloudFront and AWS Amplify to host the static web frontend. Refactor the microservices to use AWS Lambda functions that the microservices access by using Amazon API Gateway. Migrate the MySQL database to an Amazon EC2 Reserved Instance.
  • BUse Amazon CloudFront and Amazon S3 to host the static web frontend. Refactor the microservices to use AWS Lambda functions that the microservices access by using Amazon API Gateway. Migrate the MySQL database to Amazon RDS for MySQL. (correct answer)
  • CUse Amazon CloudFront and Amazon S3 to host the static web frontend. Refactor the microservices to use AWS Lambda functions that are in a target group behind a Network Load Balancer. Migrate the MySQL database to Amazon RDS for MySQL.
  • DUse Amazon S3 to host the static web frontend. Refactor the microservices to use AWS Lambda functions that are in a target group behind an Application Load Balancer. Migrate the MySQL database to an Amazon EC2 Reserved Instance.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Use Amazon CloudFront and Amazon S3 to host the static web frontend. Refactor the microservices to use AWS Lambda functions that the microservices access by using Amazon API Gateway. Migrate the MySQL database to Amaz...

Explanation

AWS Lambda runs code without provisioning servers and scales automatically, which minimizes operational overhead. Amazon S3 provides durable, scalable object storage that is fully managed. Amazon RDS is a managed relational database that handles patching, backups and failover.

SAA-C03 Question 915

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Topic 1 · Question 915

A video game company is deploying a new gaming application to its global users. The company requires a solution that will provide near real-time reviews and rankings of the players. A solutions architect must design a solution to provide fast access to the data. The solution must also ensure the data persists on disks in the event that the company restarts the application. Which solution will meet these requirements with the LEAST operational overhead?

  • AConfigure an Amazon CloudFront distribution with an Amazon S3 bucket as the origin. Store the player data in the S3 bucket.
  • BCreate Amazon EC2 instances in multiple AWS Regions. Store the player data on the EC2 instances. Configure Amazon Route 53 with geolocation records to direct users to the closest EC2 instance.
  • CDeploy an Amazon ElastiCache for Redis duster. Store the player data in the ElastiCache cluster. (correct answer)
  • DDeploy an Amazon ElastiCache for Memcached duster. Store the player data in the ElastiCache cluster.
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Deploy an Amazon ElastiCache for Redis duster. Store the player data in the ElastiCache cluster.

Explanation

Amazon ElastiCache provides in-memory caching (Redis/Memcached) to reduce latency and offload the database.

SAA-C03 Question 916

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Topic 1 · Question 916

A company is designing an application on AWS that processes sensitive data. The application stores and processes financial data for multiple customers. To meet compliance requirements, the data for each customer must be encrypted separately at rest by using a secure, centralized key management solution. The company wants to use AWS Key Management Service (AWS KMS) to implement encryption. Which solution will meet these requirements with the LEAST operational overhead?

  • AGenerate a unique encryption key for each customer. Store the keys in an Amazon S3 bucket. Enable server-side encryption.
  • BDeploy a hardware security appliance in the AWS environment that securely stores customer-provided encryption keys. Integrate the security appliance with AWS KMS to encrypt the sensitive data in the application.
  • CCreate a single AWS KMS key to encrypt all sensitive data across the application.
  • DCreate separate AWS KMS keys for each customer's data that have granular access control and logging enabled. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Create separate AWS KMS keys for each customer's data that have granular access control and logging enabled.

Explanation

AWS KMS manages encryption keys and integrates with most AWS services for encryption at rest.

SAA-C03 Question 917

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Topic 1 · Question 917

A company needs to design a resilient web application to process customer orders. The web application must automatically handle increases in web traffic and application usage without affecting the customer experience or losing customer orders. Which solution will meet these requirements?

  • AUse a NAT gateway to manage web traffic. Use Amazon EC2 Auto Scaling groups to receive, process, and store processed customer orders. Use an AWS Lambda function to capture and store unprocessed orders.
  • BUse a Network Load Balancer (NLB) to manage web traffic. Use an Application Load Balancer to receive customer orders from the NLUse Amazon Redshift with a Multi-AZ deployment to store unprocessed and processed customer orders.
  • CUse a Gateway Load Balancer (GWLB) to manage web traffic. Use Amazon Elastic Container Service (Amazon ECS) to receive and process customer orders. Use the GWLB to capture and store unprocessed orders. Use Amazon DynamoDB to store processed customer orders.
  • DUse an Application Load Balancer to manage web traffic. Use Amazon EC2 Auto Scaling groups to receive and process customer orders. Use Amazon Simple Queue Service (Amazon SQS) to store unprocessed orders. Use Amazon RDS with a Multi-AZ deployment to store processed customer orders. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Use an Application Load Balancer to manage web traffic. Use Amazon EC2 Auto Scaling groups to receive and process customer orders. Use Amazon Simple Queue Service (Amazon SQS) to store unprocessed orders. Use Amazon R...

Explanation

Auto Scaling adjusts capacity automatically to match demand, improving availability and cost efficiency. Amazon EC2 provides resizable virtual servers when you need full control of the operating system. Amazon RDS is a managed relational database that handles patching, backups and failover. By spanning multiple Availability Zones / adding redundancy, this option provides the high availability and resilience required.

SAA-C03 Question 918

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Topic 1 · Question 918

A company is using AWS DataSync to migrate millions of files from an on-premises system to AWS. The files are 10 KB in size on average. The company wants to use Amazon S3 for file storage. For the first year after the migration, the files will be accessed once or twice and must be immediately available. After 1 year, the files must be archived for at least 7 years. Which solution will meet these requirements MOST cost-effectively?

  • AUse an archive tool to group the files into large objects. Use DataSync to migrate the objects. Store the objects in S3 Glacier Instant Retrieval for the first year. Use a lifecycle configuration to transition the files to S3 Glacier Deep Archive after 1 year with a retention period of 7 years. (correct answer)
  • BUse an archive tool to group the files into large objects. Use DataSync to copy the objects to S3 Standard-Infrequent Access (S3 Standard-IA). Use a lifecycle configuration to transition the files to S3 Glacier Instant Retrieval after 1 year with a retention period of 7 years.
  • CConfigure the destination storage class for the files as S3 Glacier Instant Retrieval. Use a lifecycle policy to transition the files to S3 Glacier Flexible Retrieval after 1 year with a retention period of 7 years.
  • DConfigure a DataSync task to transfer the files to S3 Standard-Infrequent Access (S3 Standard-IA). Use a lifecycle configuration to transition the files to S3 Deep Archive after 1 year with a retention period of 7 years.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Use an archive tool to group the files into large objects. Use DataSync to migrate the objects. Store the objects in S3 Glacier Instant Retrieval for the first year. Use a lifecycle configuration to transition the fil...

Explanation

S3 Glacier Deep Archive is the lowest-cost storage for long-term archival with retrieval in hours. Amazon S3 Glacier offers low-cost archival storage for infrequently accessed data. Amazon S3 provides durable, scalable object storage that is fully managed. This option delivers the requirement at the lowest cost.

SAA-C03 Question 919

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Topic 1 · Question 919

A company recently performed a lift and shift migration of its on-premises Oracle database workload to run on an Amazon EC2 memory optimized Linux instance. The EC2 Linux instance uses a 1 TB Provisioned IOPS SSD (io1) EBS volume with 64,000 IOPS. The database storage performance after the migration is slower than the performance of the on-premises database. Which solution will improve storage performance?

  • AAdd more Provisioned IOPS SSD (io1) EBS volumes. Use OS commands to create a Logical Volume Management (LVM) stripe. (correct answer)
  • BIncrease the Provisioned IOPS SSD (io1) EBS volume to more than 64,000 IOPS.
  • CIncrease the size of the Provisioned IOPS SSD (io1) EBS volume to 2 TB.
  • DChange the EC2 Linux instance to a storage optimized instance type. Do not change the Provisioned IOPS SSD (io1) EBS volume.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Add more Provisioned IOPS SSD (io1) EBS volumes. Use OS commands to create a Logical Volume Management (LVM) stripe.

Explanation

Amazon EBS provides block storage attached to a single EC2 instance.

SAA-C03 Question 920

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Topic 1 · Question 920

A company is migrating from a monolithic architecture for a web application that is hosted on Amazon EC2 to a serverless microservices architecture. The company wants to use AWS services that support an event-driven, loosely coupled architecture. The company wants to use the publish/subscribe (pub/sub) pattern. Which solution will meet these requirements MOST cost-effectively?

  • AConfigure an Amazon API Gateway REST API to invoke an AWS Lambda function that publishes events to an Amazon Simple Queue Service (Amazon SQS) queue. Configure one or more subscribers to read events from the SQS queue.
  • BConfigure an Amazon API Gateway REST API to invoke an AWS Lambda function that publishes events to an Amazon Simple Notification Service (Amazon SNS) topic. Configure one or more subscribers to receive events from the SNS topic.
  • CConfigure an Amazon API Gateway WebSocket API to write to a data stream in Amazon Kinesis Data Streams with enhanced fan-out. Configure one or more subscribers to receive events from the data stream.
  • DConfigure an Amazon API Gateway HTTP API to invoke an AWS Lambda function that publishes events to an Amazon Simple Notification Service (Amazon SNS) topic. Configure one or more subscribers to receive events from the topic. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Configure an Amazon API Gateway HTTP API to invoke an AWS Lambda function that publishes events to an Amazon Simple Notification Service (Amazon SNS) topic. Configure one or more subscribers to receive events from the...

Explanation

AWS Lambda runs code without provisioning servers and scales automatically, which minimizes operational overhead. Amazon SNS is a managed pub/sub service for fan-out notifications to many subscribers. Amazon API Gateway is a fully managed front door for creating and securing APIs at scale. This option delivers the requirement at the lowest cost.

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