Inspirational journeys

Follow the stories of academics and their research expeditions

AWS Certified DevOps Engineer - Professional Certification - Part 29

Mary Smith

Sat, 01 Nov 2025

AWS Certified DevOps Engineer - Professional Certification - Part 29

1. If you?re trying to configure an AWS(Amazon Web Service) Elastic Beanstalk worker tier for easy debugging if there are problems finishing queue jobs. what should you configure?

A) Configure Blue-Green Deployments.
B) Configure a Dead Letter Queue
C) Configure Rolling Deployments.
D) Configure Enhanced Health Reporting



2. You are building a mobile app for consumers to post cat pictures online. You will be storing the images in AWS(Amazon Web Service) S3. You want to run the system very cheaply and simply. Which one of these options allows you to build a photo sharing application with the right authentication/authorization implementation?

A) Create an AWS(Amazon Web Service) Auth Service Domain ad grant public signup and access to the domain. During setup, add at least one major social media site as a trusted Identity Provider for users.
B) Use JWT or SAML compliant systems to build authorization policies. Users log In with a username and password, and are given a token they can use indefinitely to make calls against the photo infrastructure.
C) Build the application out using AWS(Amazon Web Service) Cognate and web Identity federation to allow users to log In using Face book or Google Accounts. Once they are logged in, the secret token passed to that user is used to directly access resources on AWS. like AWS(Amazon Web Service) 53.
D) Use AWS(Amazon Web Service) API Gateway with a constantly rotating API Key to allow access from the clientside. Construct a custom build of the SDK and include S3 access in it.



3. You have a development team that is continuously spending a lot of time rolling back updates for an application. They work on changes, and If the change fails, they spend more than 5-6h in rolling back the update. Which of the below options can help reduce the time for rolling back application versions?

A) Use Elastic Beanstalk and re-deploy using Application Versions
B) Use S3 to store each version and then re-deploy with Elastic Beanstalk
C) Use Ops Works and redeploy using rollback feature.
D) Use Cloud Formation and update the stack with the previous template



4. You run accounting software in the AWS(Amazon Web Service) cloud. This software needs to be online continuously during the day every day of the week, and has a very static requirement for compute resources. You also have other. unrelated batch jobs that need to run once per day at any time of your choosing. How should you minimize cost?

A) Purchase a Full Utilization Reserved Instance to run the accounting software. Turn it off after hours. Run the batch jobs with the same instance class, so the Reserved Instance credits are also applied to the batch jobs.
B) Purchase a Light Utilization Reserved Instance to run the accounting software. Turn it off after hours. Run the batch jobs with the same instance class, so the Reserved Instance credits are also applied to the batch jobs.
C) Purchase a Heavy Utilization Reserved instance to run the accounting software. Turn it off after hours. Run the batch jobs with the same instance class, so the Reserved instance credits are also applied to the batch jobs.
D) Purchase a Medium Utilization Reserved Instance to run the accounting software. Turn it off after hours. Run the batch jobs with the same instance class, so the Reserved Instance credits are also applied to the batch



5. You want to pass queue messages that are 1 GB each. How should you achieve this? Please select:

A) Use the Amazon SQS Extended Client Ubrary forJava and Amazon S3 as a storage mechanism for message bodies.
B) Use SQS's support for message partitioning and multi-part uploads on Amazon S3.
C) Use Kinesis as a buffer stream for message bodies. Store the checkpoint id for the placement in the Kinesis Stream in SQS.
D) Use AWS(Amazon Web Service) EFS as a shared pool storage medium. Store file system pointers to the files on disk in the SQS message bodies.



1. Right Answer: B
Explanation:

2. Right Answer: C
Explanation:

3. Right Answer: A
Explanation:

4. Right Answer: C
Explanation:

5. Right Answer: A
Explanation:

0 Comments

Leave a comment