Amazon AWS

AWS Certified DevOps Engineer – Professional

DOP-C02
Popular

The AWS Certified DevOps Engineer – Professional (DOP-C02) exam validates your skills in automating the testing and deployment of AWS applications. It is ideal for those looking to advance their DevOps career.

483 questions 0 views Free
Start Mock Test Timed · Full-length · Scored

Questions 281–290 of 483

Q281

A company needs to manage serverless applications using events. Which service should they use?

  • A AWS Lambda
  • B Amazon RDS
  • C Amazon EC2
  • D AWS Direct Connect
Explanation AWS Lambda handles serverless applications triggered by events.
Q282

What happens when an EC2 instance is terminated?

  • A Data is permanently lost.
  • B Elastic IP remains allocated.
  • C Instance metadata is preserved.
  • D Associated EBS volume is retained.
Explanation Terminating an EC2 instance deletes data on instance storage.
Q283

Which service can automatically scale your applications based on demand?

  • A AWS Auto Scaling
  • B AWS IAM
  • C AWS CloudFormation
  • D AWS Lambda
Explanation AWS Auto Scaling adjusts capacity based on demand, while the others serve different purposes.
Q284

A company needs to run an application in a highly available manner across multiple regions. Which service should they use?

  • A Amazon Elastic Container Service
  • B AWS CloudFront
  • C AWS Route 53
  • D AWS Lambda
Explanation AWS Route 53 can route traffic across regions, while the other options do not specifically address availability across regions.
Q285

You are configuring a security group for an EC2 instance. What happens if you do not allow any inbound traffic?

  • A Instance can communicate outbound only
  • B Instance does not launch
  • C Instance is publicly accessible
  • D Instance cannot be accessed remotely
Explanation The instance can still communicate outbound if inbound traffic is blocked; the others are incorrect because they mischaracterize the security behavior.
Q286

Which service allows you to deploy containerized applications easily?

  • A AWS Fargate
  • B AWS CloudFormation
  • C AWS Lambda
  • D AWS Batch
Explanation AWS Fargate manages containers, while others have different purposes.
Q287

A company needs to ensure that their CodePipeline process triggers only when there are code changes in the repository. What should they do?

  • A Configure a manual approval stage.
  • B Use Amazon SNS notifications.
  • C Set up a web hook from the repo.
  • D Add Amazon CloudWatch alarms.
Explanation Web hooks can trigger actions based on repository changes, unlike the other options.
Q288

You are configuring IAM roles for an application that needs to call various AWS services. What happens if the application does not assume the IAM role?

  • A IAM policies will still apply.
  • B The application will have no access.
  • C Service requests will fail.
  • D Access will be granted to all services.
Explanation Without assuming the role, the application lacks permissions to access AWS services.
Q289

Which service can automate the deployment of applications?

  • A AWS CloudFormation
  • B AWS CloudTrail
  • C AWS S3
  • D AWS CloudWatch
Explanation AWS CloudFormation automates infrastructure provisioning, unlike the others.
Q290

A company needs to ensure SSH access is tightly controlled. Which AWS feature should they use?

  • A Security Groups
  • B IAM Roles
  • C VPC Peering
  • D AWS Organizations
Explanation Security Groups define inbound SSH rules for instances.