ExamGecko
Search Search Login
Home Home / Amazon / DVA-C01

Amazon DVA-C01 Practice Test - Questions Answers, Page 51

Question list
Search
Search

List of questions

Search
Open VPLUS File
Convert VPLUS to PDF

Related questions

You are writing to a DynamoDB table and receive the following exception:" ProvisionedThroughputExceededException". though according to your Cloudwatch metrics for the table, you are not exceeding your provisioned throughput. What could be an explanation for this?
You are providing AWS consulting services for a company developing a new mobile application that will be leveraging Amazon SNS Mobile Push for push notifications. In order to send direct notification messages to individual devices each device registration identifier or token needs to be registered with SNS; however the developers are not sure of the best way to do this. You advise them to:
A developer runs an application that uses an Amazon API Gateway REST API. The developer needs to implement a solution to proactively monitor the health of both API responses and latencies in case a deployment causes a service disruption despite passing deployment pipeline tests. The solution also must check for endpoint vulnerability and unauthorized changes to APIs. URLs, and website content. Which solution will meet these requirements?
During non-peak hours, a Developer wants to minimize the execution time of a full Amazon DynamoDB table scan without affecting normal workloads. The workloads average half of the strongly consistent read capacity units during non-peak hours. How would the Developer optimize this scan?
Which of the following are correct statements with policy evaluation logic in AWS Identity and Access Management? Choose 2 answers
A company is migrating a web application from on premises to AWS. The company needs to move session storage from the application code to a shared service as part of the migration. The session storage data must be encrypted at rest. Which AWS services meet these requirements? (Choose two.)
A developer has written the following 1AM policy to provide access to an Amazon S3 bucket: Which access does the policy allow regarding the s3:GetObject and s3:PutObject actions'?
An application stores payroll information nightly in DynamoDB for a large number of employees across hundreds of offices. Item attributes consist of individual name, office identifier, and cumulative daily hours. Managers run reports for ranges of names working in their office. One query is. "Return all Items in this office for names starting with A through E". Which table configuration will result in the lowest impact on provisioned throughput for this query?
Games-R-Us is launching a new game app for mobile devices. Users will log into the game using their existing Facebook account and the game will record player data and scoring information directly to a DynamoDB table. What is the most secure approach for signing requests to the DynamoDB API?
A developer is integrating Amazon ElastiCache in an application. The cache will store data from a database. The cached data must populate real-time dashboards. Which caching strategy will meet these requirements?

Question 501

Report
Export
Collapse

A developer is migrating a legacy monolithic application to AWS and wants to convert the application's internal processes to microservices The application's internal processes communicate through internal asynchronous messaging Occasionally messages need to be reprocessed by multiple microservices How should the developer migrate the application's internal messaging to AWS to meet these requirements?

A.
Use Amazon Simple Queue Service (Amazon SQS) queues to communicate messages between the microservices
A.
Use Amazon Simple Queue Service (Amazon SQS) queues to communicate messages between the microservices
Answers
B.
Use Amazon API Gateway to provide REST interfaces between the microservices
B.
Use Amazon API Gateway to provide REST interfaces between the microservices
Answers
C.
Use Amazon Kinesis Data Streams to communicate messages between the microservices
C.
Use Amazon Kinesis Data Streams to communicate messages between the microservices
Answers
D.
Use Amazon API Gateway to provide WebSocket APIs between the microservices.
D.
Use Amazon API Gateway to provide WebSocket APIs between the microservices.
Answers
Suggested answer: A

Question 502

Report
Export
Collapse

A company hosts a monolithic application on Amazon EC2 instances. The company starts converting some features of the application to a serverless architecture by using Amazon API Gateway and AWS Lambda After the migration, some users report problems with payment processing Upon inspection, a developer discovers that the Lambda function that calls the external payment API is taking longer than expected Therefore, the API Gateway requests are timing out What should the developer do to resolve this issue in the serverless architecture?

A.
Use the EC2 instances to make the API calls to the payment API
A.
Use the EC2 instances to make the API calls to the payment API
Answers
B.
Use Amazon Simple Queue Service (Amazon SQS) with API Gateway and the Lambda function to asynchronously call the payment API
B.
Use Amazon Simple Queue Service (Amazon SQS) with API Gateway and the Lambda function to asynchronously call the payment API
Answers
C.
Increase the API Gateway timeout duration to match the payment API time
C.
Increase the API Gateway timeout duration to match the payment API time
Answers
D.
Increase the Lambda function's memory to increase the network bandwidth and increase the speed of the payment API calls
D.
Increase the Lambda function's memory to increase the network bandwidth and increase the speed of the payment API calls
Answers
Suggested answer: B

Question 503

Report
Export
Collapse

A developer is troubleshooting a new AWS Lambda function. The function should run automatically each time a new object is uploaded to an Amazon S3 bucket. However, the developer finds that all calls failed before they reached the application code inside the function.

Which of the following is a possible reason for this failure?

A.
The function resource policy does not allow access from Amazon S3.
A.
The function resource policy does not allow access from Amazon S3.
Answers
B.
The function execution role does not allow access from Amazon S3.
B.
The function execution role does not allow access from Amazon S3.
Answers
C.
The function execution role does not allow access to Amazon S3.
C.
The function execution role does not allow access to Amazon S3.
Answers
D.
The IAM user does not have access to Amazon S3.
D.
The IAM user does not have access to Amazon S3.
Answers
Suggested answer: C

Question 504

Report
Export
Collapse

A developer has built an application running on AWS Lambda using AWS Serverless Application Model (AWS SAM). What is the correct sequence of steps to successfully deploy the application?

A.
1. Build the SAM template in Amazon EC2.
A.
1. Build the SAM template in Amazon EC2.
Answers
B.
Package the SAM template to Amazon EBS storage.
B.
Package the SAM template to Amazon EBS storage.
Answers
C.
Deploy the SAM template from Amazon EBS.
C.
Deploy the SAM template from Amazon EBS.
Answers
D.
1. Build the SAM template locally.
D.
1. Build the SAM template locally.
Answers
E.
Package the SAM template onto Amazon S3.
E.
Package the SAM template onto Amazon S3.
Answers
F.
Deploy the SAM template from Amazon S3.
F.
Deploy the SAM template from Amazon S3.
Answers
G.
1. Build the SAM template locally.
G.
1. Build the SAM template locally.
Answers
H.
Deploy the SAM template from Amazon S3.
H.
Deploy the SAM template from Amazon S3.
Answers
I.
Package the SAM template for use.
I.
Package the SAM template for use.
Answers
J.
1. Build the SAM template locally.2 Package the SAM template from AWS CodeCommit.
J.
1. Build the SAM template locally.2 Package the SAM template from AWS CodeCommit.
Answers
Suggested answer: B

Question 505

Report
Export
Collapse

A company has a front-end application that runs on four Amazon EC2 instances behind an Elastic Load Balancer (ELB) in a production environment that is provisioned by AWS Elastic Beanstalk. A developer needs to deploy and test new application code while updating the Elastic Beanstalk platform from the current version to a newer version of Node.js. The solution must result in zero downtime for the application. Which solution meets these requirements?

A.
Clone the production environment to a different platform version. Deploy the new application code, and test it. Swap the environment URLs upon verification.
A.
Clone the production environment to a different platform version. Deploy the new application code, and test it. Swap the environment URLs upon verification.
Answers
B.
Deploy the new application code in an all-at-once deployment to the existing EC2 instances. Test the code. Redeploy the previous code if verification fails.
B.
Deploy the new application code in an all-at-once deployment to the existing EC2 instances. Test the code. Redeploy the previous code if verification fails.
Answers
C.
Perform an immutable update to deploy the new application code to new EC2 instances. Serve traffic to the new instances after they pass health checks
C.
Perform an immutable update to deploy the new application code to new EC2 instances. Serve traffic to the new instances after they pass health checks
Answers
D.
Use a rolling deployment for the new application code. Apply the code to a subset of EC2 instances until the tests pass. Redeploy the previous code if the tests fail.
D.
Use a rolling deployment for the new application code. Apply the code to a subset of EC2 instances until the tests pass. Redeploy the previous code if the tests fail.
Answers
Suggested answer: D

Question 506

Report
Export
Collapse

A company is running an application on AWS Elastic Beanstalk in a single-instance environment. The company's deployments must avoid any downtime. Which deployment option will meet these requirements?

A.
All at once
A.
All at once
Answers
B.
Rolling
B.
Rolling
Answers
C.
Rolling with additional batch
C.
Rolling with additional batch
Answers
D.
Immutable
D.
Immutable
Answers
Suggested answer: D

Question 507

Report
Export
Collapse

A developer is receiving an intermittent ProvisionedThroughputExceededException error from an application that is based on Amazon DynamoDB. According to the Amazon CloudWatch metrics for the table, the application is not exceeding the provisioned throughput What could be the cause of the issue?

A.
The DynamoDB table storage size is larger than the provisioned size.
A.
The DynamoDB table storage size is larger than the provisioned size.
Answers
B.
The application is exceeding capacity on a particular hash key.
B.
The application is exceeding capacity on a particular hash key.
Answers
C.
The DynamoDB table is exceeding the provisioned scaling operations.
C.
The DynamoDB table is exceeding the provisioned scaling operations.
Answers
D.
The application is exceeding capacity on a particular sort key.
D.
The application is exceeding capacity on a particular sort key.
Answers
Suggested answer: B

Question 508

Report
Export
Collapse

A developer is working on a Python application that runs on Amazon EC2 instances. The developer wants to enable tracing of application requests to debug performance issues in the code. Which combination of actions should the developer take to achieve this goal? (Select TWO.)

A.
Install the Amazon CloudWatch agent on the EC2 instances.
A.
Install the Amazon CloudWatch agent on the EC2 instances.
Answers
B.
Install the AWS X-Ray daemon on the EC2 instances
B.
Install the AWS X-Ray daemon on the EC2 instances
Answers
C.
Configure the application to write JSON-formatted logs to /var/log/cloudwatch.
C.
Configure the application to write JSON-formatted logs to /var/log/cloudwatch.
Answers
D.
Configure the application to write trace data to /var/log/xray.
D.
Configure the application to write trace data to /var/log/xray.
Answers
E.
Install and configure the AWS X-Ray SDK for Python in the application.
E.
Install and configure the AWS X-Ray SDK for Python in the application.
Answers
Suggested answer: B, E

Question 509

Report
Export
Collapse

A company is building a serverless application that uses AWS Lambd a. The application includes Lambda functions that are exposed by Amazon API Gateway The functions will use several large third-party libraries, and the build artifacts will exceed 50 MB in size.

Which combination of steps should a developer take to prepare and perform the deployment?

(Select TWO.)

A.
Issue the aws lambda update-function-code CLI command with the -zip-file fileb://my-function.zip parameter
A.
Issue the aws lambda update-function-code CLI command with the -zip-file fileb://my-function.zip parameter
Answers
B.
Upload the build artifact to Amazon S3.
B.
Upload the build artifact to Amazon S3.
Answers
C.
Issue the aws cloudformation package CLI command.
C.
Issue the aws cloudformation package CLI command.
Answers
D.
Issue the aws lambda update-function-code CLI command with the -s3-bucket and -s3-key parameters.
D.
Issue the aws lambda update-function-code CLI command with the -s3-bucket and -s3-key parameters.
Answers
E.
Issue the aws lambda update-function-code CLI command with a parameter that points to the source code in AWS CodeCommit.
E.
Issue the aws lambda update-function-code CLI command with a parameter that points to the source code in AWS CodeCommit.
Answers
Suggested answer: B, D

Question 510

Report
Export
Collapse

A developer is migrating a Windows-based legacy application from on premises to AWS. The application will run on Amazon EC2 instances that run Amazon Linux. The application stores a large number of files in an NFS drive. The migration solution must minimize downtime and application code changes.

Which solution should the developer use to migrate the application data?

A.
Create an Amazon S3 bucket. Use the s3 sync command to upload the files to the S3 bucket.
A.
Create an Amazon S3 bucket. Use the s3 sync command to upload the files to the S3 bucket.
Answers
B.
Create an Amazon Elastic Block Store (Amazon E8S) volume. Upload the files to the volume. Attach the volume to the EC2 instances.
B.
Create an Amazon Elastic Block Store (Amazon E8S) volume. Upload the files to the volume. Attach the volume to the EC2 instances.
Answers
C.
Create an Amazon Elastic File System (Amazon EFS) file system. Use AWS DataSync to transfer the files to Amazon EFS.
C.
Create an Amazon Elastic File System (Amazon EFS) file system. Use AWS DataSync to transfer the files to Amazon EFS.
Answers
D.
Create an Amazon Elastic File System (Amazon EFS) file system. Mount the EFS file system from the legacy application. Copy the files to the EFS mount.
D.
Create an Amazon Elastic File System (Amazon EFS) file system. Mount the EFS file system from the legacy application. Copy the files to the EFS mount.
Answers
Suggested answer: C
Total 608 questions
Go to page: of 61
ExamGecko

Copyright @2023 ExamGecko | All right reserved

Mail us: [email protected]
About us
Contact us
Twitter X
Facebook
Medium
Convert VPLUS to PDF
Open VPLUS files Easily and Quickly
Privacy Policy
Disclaimer
Terms