Online Access Free Amazon.AWS-DevOps-Engineer-Professional.v2022-01-20.q245 Practice Test (Page 31)

AWS-DevOps-Engineer-Professional Exam Question 146

A social networking portal experiences latency and throughput issues due to an increased number of users.
Application servers use very large datasets from an Amazon RDS database, which creates a performance
bottleneck on the database.
Which AWS service should be used to improve performance?

A.Amazon ElastiCache

B.ELB Application Load Balancer

C.Auto Scaling

D.Amazon SQS

AWS-DevOps-Engineer-Professional Exam Question 147

There is a very serious outage at AWS. EC2 is not affected, but your EC2 instance deployment scripts stopped working in the region with the outage. What might be the issue?

A.The AWS Console is down, so your CLI commands do not work.

B.S3 is unavailable, so you can't create EBS volumes from a snapshot you use to deploy new volumes.

C.AWS turns off the <code>DeployCode</code> API call when there are major outages, to protect from system floods.

D.None of the other answers make sense. If EC2 is not affected, it must be some other issue.

AWS-DevOps-Engineer-Professional Exam Question 148

You are hired as the new head of operations for a SaaS company. Your CTO has asked you to make debugging any part of your entire operation simpler and as fast as possible. She complains that she has no idea what is going on in the complex, service-oriented architecture, because the developers just log to disk, and it's very hard to find errors in logs on so many services. How can you best meet this requirement and satisfy your CTO?

A.Copy all log files into AWS S3 using a cron job on each instance. Use an S3 Notification Configuration on the <code>PutBucket</code> event and publish events to AWS Lambda. Use the Lambda to analyze logs as soon as they come in and flag issues.

B.Begin using CloudWatch Logs on every service. Stream all Log Groups into S3 objects. Use AWS EMR cluster jobs to perform ad-hoc MapReduce analysis and write new queries when needed.

C.Copy all log files into AWS S3 using a cron job on each instance. Use an S3 Notification Configuration on the <code>PutBucket</code> event and publish events to AWS Kinesis. Use Apache Spark on AWS EMR to perform at-scale stream processing queries on the log chunks and flag issues.

D.Begin using CloudWatch Logs on every service. Stream all Log Groups into an AWS Elasticsearch Service Domain running Kibana 4 and perform log analysis on a search cluster.

AWS-DevOps-Engineer-Professional Exam Question 149

A company's application is currently deployed to a single AWS Region. Recently, the company opened a new office on a different continent. The users in the new office are experiencing high latency. The company's application runs on Amazon EC2 instances behind an Application Load Balancer (ALB) and uses Amazon DynamoDB as the database layer. The instances run in an EC2 Auto Scaling group across multiple Availability Zones. A DevOps Engineer is tasked with minimizing application response times and improving availability for users in both Regions.
Which combination of actions should be taken to address the latency issues? (Choose three.)

A.Create Amazon Route 53 aliases, health checks, and failover routing policies to route to the ALB.

B.Create a new DynamoDB table in the new Region with cross-Region replication enabled.

C.Create Amazon Route 53 records, health checks, and latency-based routing policies to route to the AL

D.Convert the DynamoDB table to a global table.

E.Create new ALB and Auto Scaling group global resources and configure the new ALB to direct traffic to the new Auto Scaling group.

F.Create new ALB and Auto Scaling group resources in the new Region and configure the new ALB to direct traffic to the new Auto Scaling group.

AWS-DevOps-Engineer-Professional Exam Question 150

A Development team is working on a serverless application in AWS. To quickly identify and remediate potential production issues, the team decides to roll out changes to a small number of users as a test before the full release. The DevOps Engineer must develop a solution to minimize downtime and impact.
Which of the following solutions should be used to meet the requirements? (Select TWO.)

A.Create an Application Load Balancer with two target groups. Set up the Application Load Balancer for Amazon API Gateway private integration. Associate one target group to the current version and the other target group to the new version. Configure API Gateway to route 10% of incoming traffic to the new version. As the new version becomes stable, configure API Gateway to send all traffic to the new version and detach the old version from the load balancer.

B.Create an alias for an AWS Lambda function pointing to both the current and new versions. Configure the alias to route 10% of incoming traffic to the new version. As the new version is considered stable, update the alias to route all traffic to the new version.

C.Create a failover record set in AWS Route 53 pointing to the AWS Lambda endpoints for the old and new versions. Configure Route 53 to route 10% of incoming traffic to the new version. As the new version becomes stable, update the DNS record to route all traffic to the new version.

D.Create an ELB Network Load Balancer with two target groups. Set up the Network Load Balancer for Amazon API Gateway private integration Associate one target group with the current version and the other target group with the new version. Configure the load balancer to route 10% of incoming traffic to the new version. As the new version becomes stable, detach the old version from the load balancer.

E.In Amazon API Gateway, create a canary release deployment by adding canary settings to the stage of a regular deployment. Configure API Gateway to route 10% of the incoming traffic to the canary release.
As the canary release is considered stable, promote it to a production release.

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AWS-DevOps-Engineer-Professional Exam Question 146

AWS-DevOps-Engineer-Professional Exam Question 147

AWS-DevOps-Engineer-Professional Exam Question 148

AWS-DevOps-Engineer-Professional Exam Question 149

AWS-DevOps-Engineer-Professional Exam Question 150

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