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AWS DevOps Engineer Professional Exam Practice Questions – 9

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Amazon AWS DevOps Engineer Professional Exam Practice Questions

Below are some Free practice questions for Amazon AWS Certification Exam – AWS DevOps Engineer Professional Exam which can help you to prepare for exam and pass with good marks. These are not real exam questions but similar to the questions you can get in exam so practicing these question will boost your confidence.

Question -42

A business has an application that consists of five independent AWS Lambda functions.
The DevOps Engineer has built a CI/CD pipeline using AWS CodePipeline and AWS CodeBuild that builds, tests, packages, and deploys each Lambda function in sequence. The pipeline uses an Amazon CloudWatch Events rule to ensure the pipeline execution starts as quickly as possible after a change is made to the application source code.
After working with the pipeline for a few months, the DevOps Engineer has noticed the pipeline takes too long to complete.
What should the DevOps Engineer implement to BEST improve the speed of the pipeline?

A. Modify the CodeBuild projects within the pipeline to use a compute type with more available network throughput.

B. Create a custom CodeBuild execution environment that includes a symmetric multiprocessing configuration to run the builds in parallel.

C. Modify the CodePipeline configuration to execute actions for each Lambda function in parallel by specifying the same runOrder.

D. Modify each CodeBuild project to run within a VPC and use dedicated instances to increase throughput.

Correct Answer:  C

AWS CodePipeline plays an important role here by enabling continuous delivery and parallel execution of tests for optimized testing.

Reference:

https://docs.aws.amazon.com/lambda/latest/dg/build-pipeline.html

https://aws.amazon.com/blogs/devops/using-aws-codepipeline-aws-codebuild-and-aws-lambda-for-serverless-automated-ui-testing/




Question -43

A company uses a complex system that consists of networking, IAM policies, and multiple three-tier applications. Requirements are still being defined for a new system, so the number of AWS components present in the final design is not known. The DevOps Engineer needs to begin defining AWS resources using AWS
CloudFormation to automate and version-control the new infrastructure.
What is the best practice for using CloudFormation to create new environments?

A. Manually construct the networking layer using Amazon VPC and then define all other resources using CloudFormation.

B. Create a single template to encompass all resources that are required for the system so there is only one template to version-control.

C. Create multiple separate templates for each logical part of the system, use cross-stack references in CloudFormation, and maintain several templates in version control.

D. Create many separate templates for each logical part of the system, and provide the outputs from one to the next using an Amazon EC2 instance running SDK for granular control.

Correct Answer: C

Reference:

https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/walkthrough-crossstackref.html




Question -44

A DevOps Engineer is deploying a new web application. The company chooses AWS Elastic Beanstalk for deploying and managing the web application, and
Amazon RDS MySQL to handle persistent data. The company requires that new deployments have minimal impact if they fail. The application resources must be at full capacity during deployment and rolling back a deployment must also be possible.
Which deployment sequence will meet these requirements?

A. Deploy the application using Elastic Beanstalk and connect to an external RDS MySQL instance using Elastic Beanstalk environment properties. Use Elastic Beanstalk features for a blue/green deployment to deploy the new release to a separate environment, and then swap the CNAME in the two environments to redirect traffic to the new version.

B. Deploy the application using Elastic Beanstalk and include RDS MySQL as part of the environment. Use default Elastic Beanstalk behavior to deploy changes to the application and let rolling updates deploy changes to the application.

C. Deploy the application using Elastic Beanstalk and include RDS MySQL as part of the environment. Use Elastic Beanstalk immutable updates for application deployments.

D. Deploy the application using Elastic Beanstalk and connect to an external RDS MySQL instance using Elastic Beanstalk environment properties. Use Elastic Beanstalk immutable updates for application deployments.

Correct Answer: D

Reference:

https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/AWSHowTo.RDS.html

https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/using-features.CNAMESwap.html



Question -45

Am Amazon EC2 instance with no internet access is running in a Virtual Private Cloud (VPC) and needs to download an object from a restricted Amazon S3 bucket. When the DevOps Engineer tries to gain access to the object, an AccessDenied error is received.
What are the possible causes for this error? (Select THREE.)

A. The S3 bucket default encryption is enabled.

B. There is an error in the S3 bucket policy.

C. There is an error in the VPC endpoint policy.

D. The object has been moved to Amazon Glacier.

E. There is an error in the IAM role configuration.

F. S3 versioning is enabled.

Correct Answer: BCE

Reference:
https://aws.amazon.com/premiumsupport/knowledge-center/s3-403-upload-bucket/

https://docs.amazonaws.cn/en_us/AmazonS3/latest/API/ErrorResponses.html




Question -46

An application has microservices spread across different AWS accounts and is integrated with an on-premises legacy system for some of its functionality.
Because of the segmented architecture and missing logs, every time the application experiences issues, it is taking too long to gather the logs to identify the issues. A DevOps Engineer must fix the log aggregation process and provide a way to centrally analyze the logs.
Which is the MOST efficient and cost-effective solution?

A. Collect system logs and application logs by using the Amazon CloudWatch Logs agent. Use the Amazon S3 API to export on-premises logs, and store the logs in an S3 bucket in a central account. Build an Amazon EMR cluster to reduce the logs and derive the root cause.

B. Collect system logs and application logs by using the Amazon CloudWatch Logs agent. Use the Amazon S3 API to import on-premises logs. Store all logs in S3 buckets in individual accounts. Use Amazon Macie to write a query to search for the required specific event-related data point.

C. Collect system logs and application logs using the Amazon CloudWatch Logs agent. Install the CloudWatch Logs agent on the on-premises servers. Transfer all logs from AWS to the on-premises data center. Use an Amazon Elasticsearch Logstash Kibana stack to analyze logs on premises.

D. Collect system logs and application logs by using the Amazon CloudWatch Logs agent. Install a CloudWatch Logs agent for on-premises resources. Store all logs in an S3 bucket in a central account. Set up an Amazon S3 trigger and an AWS Lambda function to analyze incoming logs and automatically identify anomalies. Use Amazon Athena to run ad hoc queries on the logs in the central account.

Correct Answer: D



 


Previous->AWS DevOps Engineer Professional Exam Practice Questions – 7

Next->AWS DevOps Engineer Professional Exam Practice Questions – 10



More Amazon AWS Certification Exam Questions:

Previous->AWS DevOps Engineer Professional Exam Practice Questions

Microsoft AZ-900 Certification Exam Practice Questions – Part 1

Microsoft AZ-220 Certification Exam Practice Questions – Part 1

Sample Exam Questions 6: AZ-300: Microsoft Azure Architect Technologies

Sample Exam Questions 5: AZ-300: Microsoft Azure Architect Technologies



AWS DevOps Engineer Professional Exam Tags:Amazon, Amazon AWS Certification Exam, Amazon CloudWatch, Amazon EC2, Amazon Route 53, Application Load Balancer, AutoScaling, AWS DevOps Engineer Professional Exam, AWS Lambda, Certification Exam, CloudFormation, CodeDeploy, EC2, Kinesis, Practice Questions

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