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New Amazon AWS-DevOps-Engineer-Professional Practice Questions, Test AWS-DevOps-Engineer-Professional Result

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The AWS Certified DevOps Engineer - Professional (DOP-C01) exam is designed to validate the technical skills and expertise of individuals who are responsible for designing, deploying, and managing AWS applications using DevOps practices and principles. DevOps is a software development approach that emphasizes collaboration between development and operations teams to deliver high-quality software applications at a faster pace.

>> New Amazon AWS-DevOps-Engineer-Professional Practice Questions <<

AWS-DevOps-Engineer-Professional Study Guide & AWS-DevOps-Engineer-Professional Exam Torrent & AWS-DevOps-Engineer-Professional Certification Training

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To earn the AWS-DevOps certification, candidates must pass a rigorous exam that covers a wide range of topics related to DevOps on AWS. These topics include continuous delivery and deployment, infrastructure as code, monitoring and logging, security and compliance, and troubleshooting. AWS-DevOps-Engineer-Professional Exam also tests candidates' ability to design and implement scalable, highly available, and fault-tolerant systems on AWS.

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q166-Q171):

NEW QUESTION # 166
After conducting a disaster recovery exercise, an Enterprise Architect discovers that a large team of Database and Storage Administrators need more then seven hours of manual effort to make a flagship application's database functional in a different AWS Region. The Architect also discovers that the recovered database is often missing as much as two hours of data transactions.
Which solution provides improved RTO and RPO in a cross-region failover scenario?

• A. Deploy an Amazon RDS Multi-AZ instance backed by a multi-region Amazon EFS. Configure the RDS option group to enable multi-region availability for native automation of cross-region recovery and continuous data replication. Create an Amazon SNS topic subscribed to RDS-impacted events to send emails to the Database Administration team when significant query Latency is detected in a single Availability Zone.
• B. Use Amazon SNS topics to receive published messages from Amazon RDS availability and backup events. Use AWS Lambda for three separate functions with calls to Amazon RDS to snapshot a database instance, create a cross-region snapshot copy, and restore an instance from a snapshot. Use a scheduled Amazon CloudWatch Events rule at a frequency matching the RPO to trigger the Lambda function to snapshot a database instance. Trigger the Lambda function to create a cross-region snapshot copy when the SNS topic for backup events receives a new message. Configure the Lambda function to restore an instance from a snapshot to trigger sending new messages published to the availability SNS topic.
• C. Use Amazon RDS scheduled instance lifecycle events to create a snapshot and specify a frequency to match the RPO. Use Amazon RDS scheduled instance lifecycle event configuration to perform a cross-region snapshot copy into the failover region upon SnapshotCreateComplete events. Configure Amazon CloudWatch to alert when the CloudWatch RDS namespace CPUUtilization metric for the database instance falls to 0% and make a call to Amazon RDS to restore the database snapshot in the failover region.
• D. Create a scheduled Amazon CloudWatch Events rule to make a call to Amazon RDS to create a snapshot from a database instance and specify a frequency to match the RPO. Create an AWS Step Functions task to call Amazon RDS to perform a cross-region snapshot copy into the failover region, and configure the state machine to execute the task when the RDS snapshot create state is complete.
  Create an SNS topic subscribed to RDS availability events, and push these messages to an Amazon SQS queue located in the failover region. Configure an Auto Scaling group of worker nodes to poll the queue for new messages and make a call to Amazon RDS to restore a database from a snapshot after a checksum on the cross-region copied snapshot returns valid.

Answer: B

NEW QUESTION # 167
A DevOps engineer must ensure all IAM entity configurations across multiple AWS accounts in AWS Organizations are compliant with corporate IAM policies.
Which combination of steps will accomplish this? (Select TWO.)

• A. Deploy AWS Config rules to all accounts in Organizations that match the corporate IAM policies.
• B. Apply an SCP in Organizations to ensure compliance of IAM entities.
• C. Deploy AWS Config rules to the master account in Organizations that match corporate IAM policies.
• D. Configure an AWS Config aggregator in the Organizations master account for all accounts
• E. Enable AWS Trusted Advisor in Organizations for all accounts to report on noncompliant IAM entities.

Answer: A,D

NEW QUESTION # 168
There are a number of ways to purchase compute capacity on AWS. Which orders the price per compute or memory unit from LOW to HIGH (cheapest to most expensive), on average?
A) On-Demand
B) Spot
C) Reserved

• A. C, B, A
• B. B, C, A
• C. A, B, C
• D. A, C, B

Answer: B

Explanation:
Spot instances are usually many, many times cheaper than on-demand prices. Reserved instances, depending on their term and utilization, can yield approximately 33% to 66% cost savings. On-Demand prices are the baseline price and are the most expensive way to purchase EC2 compute time.
https://d0.awsstatic.com/whitepapers/Cost_Optimization_with_AWS.pdf

NEW QUESTION # 169
A DevOps Engineer has several legacy applications that all generate different log formats. The Engineer must standardize the formats before writing them to Amazon S3 for querying and analysis.
How can this requirement be met at the LOWEST cost?

• A. Use Amazon Kinesis Agent on each server to upload the logs and have Amazon Kinesis Data Firehose use an AWS Lambda function to normalize the logs before writing them to Amazon S3
• B. Keep the logs in Amazon S3 and use Amazon Redshift Spectrum to normalize the logs in place
• C. Have the application send its logs to Amazon QuickSight then use the Amazon QuickSight SPICE engine to normalize the logs Do the analysis directly from Amazon QuickSight.
• D. Have the application send its logs to an Amazon EMR cluster and normalize the logs before sending them to Amazon S3

Answer: A

NEW QUESTION # 170
You recently encountered a major bug in your web application during a deployment cycle. During this failed deployment, it took the team four hours to roll back to a previously working state, which left customers with a poor user experience. During the post-mortem, you team discussed the need to provide a quicker, more robust way to roll back failed deployments. You currently run your web application on Amazon EC2 and use Elastic Load Balancingforyour load balancing needs.
Which technique should you use to solve this problem?

• A. Usean AWS OpsWorks stack to re-deploy your web application and use AWS OpsWorksDeploymentCommand to initiate a rollback during failures.
• B. Createdeployable versioned bundles of your application. Store the bundle on AmazonS3. Re-deploy your web application on Elastic Beanstalk and enable the ElasticBeanstalk auto - rollbackfeature tied to Cloud Watch metrics that definefailure.
• C. UsingElastic BeanStalk redeploy your web application and use the Elastic BeanStalkAPI to trigger a FailedDeployment API call to initiate a rollback to theprevious version.
• D. Createdeployable versioned bundles of your application. Store the bundle on AmazonS3. Use an AWS OpsWorks stack to redeploy your web application and use AWSOpsWorks application versioningto initiate a rollback during failures.

Answer: A

Explanation:
Explanation
The AWS Documentation mentions the following
AWS DeploymentCommand has a rollback option in it. Following commands are available for apps to use:
deploy: Deploy App.
Ruby on Rails apps have an optional args parameter named migrate. Set Args to {"migrate":["true"]) to migrate the database.
The default setting is {"migrate": ["false"]).
The "rollback" feature Rolls the app back to the previous version.
When we are updating an app, AWS OpsWorks stores the previous versions, maximum of upto five versions.
We can use this command to roll an app back as many as four versions.
Reference Link:
* http://docs

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