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DOP-C02 Exam Dumps : AWS Certified DevOps Engineer - Professional

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AWS Certified DevOps Engineer - Professional Questions and Answers

Question 1

A DevOps engineer notices that all Amazon EC2 instances running behind an Application Load Balancer in an Auto Scaling group are failing to respond to user requests. The EC2 instances are also failing target group HTTP health checks

Upon inspection, the engineer notices the application process was not running in any EC2 instances. There are a significant number of out of memory messages in the system logs. The engineer needs to improve the resilience of the application to cope with a potential application memory leak. Monitoring and notifications should be enabled to alert when there is an issue

Which combination of actions will meet these requirements? (Select TWO.)

Options:

A.

Change the Auto Scaling configuration to replace the instances when they fail the load balancer ' s health checks.

B.

Change the target group health check HealthChecklntervalSeconds parameter to reduce the interval between health checks.

C.

Change the target group health checks from HTTP to TCP to check if the port where the application is listening is reachable.

D.

Enable the available memory consumption metric within the Amazon CloudWatch dashboard for the entire Auto Scaling group Create an alarm when the memory utilization is high Associate an Amazon SNS topic to the alarm to receive notifications when the alarm goes off

E.

Use the Amazon CloudWatch agent to collect the memory utilization of the EC2 instances in the Auto Scaling group Create an alarm when the memory utilization is high and associate an Amazon SNS topic to receive a notification.

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Question 2

A company wants to set up a continuous delivery pipeline. The company stores application code in a private GitHub repository. The company needs to deploy the application components to Amazon Elastic Container Service (Amazon ECS). Amazon EC2, and AWS Lambda. The pipeline must support manual approval actions.

Which solution will meet these requirements?

Options:

A.

Use AWS CodePipeline with Amazon ECS. Amazon EC2, and Lambda as deploy providers.

B.

Use AWS CodePipeline with AWS CodeDeploy as the deploy provider.

C.

Use AWS CodePipeline with AWS Elastic Beanstalk as the deploy provider.

D.

Use AWS CodeDeploy with GitHub integration to deploy the application.

Question 3

A company is optimizing its AWS costs. Most of the company’s AWS spend is for Amazon EC2. When the company analyzes its EC2 usage metrics in Amazon CloudWatch, the company observes that most of its EC2 instances are in an idle state.

The company considers an instance idle if it has a maximum CPU utilization of less than 2% in the previous 24 hours. The company evaluates metrics for instances based on 1-hour intervals. The company decides to configure a CloudWatch alarm for each EC2 instance in the account. The company wants the alarm to activate when an instance is idle.

How should the company configure the CloudWatch alarm?

Options:

A.

Select anomaly detection as the threshold type. Set the anomaly detection threshold to 2. Set Datapoints to Alarm to 24 out of 24.

B.

Select static as the threshold type. Set the threshold value to 2. Set Datapoints to Alarm to 24 out of 24.

C.

Select anomaly detection as the threshold type. Set the anomaly detection threshold to 2. Set Datapoints to Alarm to 1 out of 24.

D.

Select static as the threshold type. Set the threshold value to 2. Set Datapoints to Alarm to 1 out of 24.