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AWS-DevOps-Engineer-Professional Reliable Test Pdf, Test AWS-DevOps-Engineer-Professional Voucher

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The AWS DevOps Engineer certification exam covers a wide range of topics, including continuous integration and delivery (CI/CD), infrastructure as code (IaC), monitoring and logging, security and compliance, and automation and optimization. Candidates are tested on their ability to design and implement scalable and efficient DevOps solutions using AWS services and tools.

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q133-Q138):

NEW QUESTION # 133
A company is testing a web application that runs on Amazon EC2 instances behind an Application Load Balancer. The instances run in an Auto Scaling group across multiple Availability Zones. The company uses a blue/green deployment process with immutable instances when deploying new software.
During testing, users are being automatically logged out of the application at random times. Testers also report that, when a new version of the application is deployed, all users are logged out. The Development team needs a solution to ensure users remain logged in across scaling events and application deployments.
What is the MOST efficient way to ensure users remain logged in?

A. Enable session sharing on the load balancer and modify the application to read from the session store.
B. Store user session information in an Amazon S3 bucket and modify the application to read session information from the bucket.
C. Enable smart sessions on the load balancer and modify the application to check for an existing session.
D. Modify the application to store user session information in an Amazon ElastiCache cluser.

Answer: D

NEW QUESTION # 134
A company is using AWS CodeCommit as its source code repository. After an internal audit, the compliance team mandates that any code change that go into the master branch must be committed by senior developers.
Which solution will meet these requirements?

A. Create a repository in CodeCommit. Create separate IAM groups for senior developers and developers. Assign code commit permissions for both groups, with code merge permissions for the senior developers group. Create a trigger to notify senior developers with a URL link to approve or deny commit requests delivered through Amazon SNS. Once a senior developer approves the code, the code gets merged to the master branch.
B. Create two repositories in CodeCommit: one for working and another for the master. Create separate IAM groups for senior developers and developers. Assign the resource-level permissions on the repositories tied to the IAM groups. After the code changes are reviewed, sync the approved files to the master code commit repository.
C. Create a repository in CodeCommit with a working and master branch. Create separate IAM groups for senior developers and developers. Use an IAM policy to assign each IAM group their corresponding branches. Once the code is merged to the working branch, senior developers can pull the changes from the working branch to the master branch.
D. Create a repository in CodeCommit. Create separate IAM groups for senior developers and developers. Use AWS Lambda triggers on the master branch and get the user name of the developer at the event object of the Lambda function. Validate the user name with the IAM group to approve or deny the commit.

Answer: C

NEW QUESTION # 135
A DevOps Engineer is working with an application deployed to 12 Amazon EC2 instances across 3 Availability Zones. New instances can be started from an AMI image. On a typical day, each EC2 instance has 30% utilization during business hours and 10% utilization after business hours. The CPU utilization has an immediate spike in the first few minutes of business hours. Other increases in CPU utilization rise gradually.
The Engineer has been asked to reduce costs while retaining the same or higher reliability.
Which solution meets these requirements?

A. Create two Amazon CloudWatch Events rules with schedules before and after business hours begin and end. Create two AWS Lambda functions, one invoked by each rule. The first function should stop nine instances after business hours end, the second function should restart the nine instances before the business day begins.
B. Create two Amazon CloudWatch Events rules with schedules before and after business hours begin and end. Create an AWS CloudFormation stack, which creates an EC2 Auto Scaling group, with a parameter for the number of instances. Invoke the stack from each rule, passing a parameter value of three in the morning, and six in the evening.
C. Create an EC2 Auto Scaling group using the AMI image, with a scaling action based on the Auto Scaling group's CPU Utilization average with a target of 75%. Create a scheduled action to terminate nine instances each evening after the close of business.
D. Create an Amazon EC2 Auto Scaling group using the AMI image, with a scaling action based on the Auto Scaling group's CPU Utilization average with a target of 75%. Create a scheduled action for the group to adjust the minimum number of instances to three after business hours end and reset to six before business hours begin.

Answer: B

NEW QUESTION # 136
A company has microservices running in AWS Lambda that read data from Amazon DynamoDB. The Lambda code is manually deployed by Developers after successful testing. The company now needs the tests and deployments be automated and run in the cloud. Additionally, traffic to the new versions of each microservice should be incrementally shifted over time after deployment.
What solution meets all the requirements, ensuring the MOST developer velocity?

A. Use the AWS CLI to set up a post-commit hook that uploads the code to an Amazon S3 bucket after tests have passed. Set up an S3 event trigger that runs a Lambda function that deploys the new version. Use an interval in the Lambda function to deploy the code over time at the required percentage.
B. Create an AWS CodeBuild configuration that triggers when the test code is pushed. Use AWS CloudFormation to trigger an AWS CodePipeline configuration that deploys the new Lambda versions and specifies the traffic shift percentage and interval.
C. Create an AWS CodePipeline configuration and set up the source code step to trigger when code is pushed. Set up the build step to use AWS CodeBuild to run the tests. Set up an AWS CodeDeploy configuration to deploy, then select the CodeDeployDefault.LambdaLinear10PercentEvery3Minutes option.
D. Create an AWS CodePipeline configuration and set up a post-commit hook to trigger the pipeline after tests have passed. Use AWS CodeDeploy and create a Canary deployment configuration that specifies the percentage of traffic and interval.

Answer: A

NEW QUESTION # 137
A company is using AWS CodePipeline to automate its release pipeline. AWS CodeDeploy is being used in the pipeline to deploy an application to Amazon ECS using the blue/green deployment model. The company wants to implement scripts to shifting traffic. These scripts will complete in 5 minutes or less If errors are discovered during these tests, the application must be rolled back.
Which strategy will meet these requirements?

A. Add a hooks section to the CodeDeploy AppSpec file Use the AfterAllowTraffic lifecycle event to invoke the test scripts. If errors are found, use the aws deploy stop-deployment CLI command to stop the deployment.
B. Add a stage to the CodePipeline pipeline between the source and deploy stages Use AWS CodeBuild to create an execution environment and build commands in the buildspec file to invoke test scripts If errors are found, use the aws deploy stop-deployment command to stop the deployment
C. Add a stage to the CodePipeline pipeline between the source and deploy stages Use this stage to execute an AWS Lambda function that will run the test scripts If errors are found, use the aws deploy stop-deployment command to stop the deployment.
D. Add a hooks section to the CodeDeploy AppSpec file Use the AfterAllowTestTraffic lifecycle event to invoke an AWS Lambda function to run the test scripts. If errors are found, exit the Lambda function with an error to trigger rollback.

Answer: B

NEW QUESTION # 138
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