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
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Questions 361–370 of 483
Which service can automatically scale Amazon EC2 instances?
A
Auto Scaling
B
CloudFormation
C
Elastic Load Balancing
D
EC2 Spot Instances
Reveal Answer
Explanation
Auto Scaling adjusts the number of EC2 instances based on demand; the others do not have this capability.
A company needs to ensure data encryption in transit for their web application. What AWS service should they use?
A
AWS VPN
B
AWS WAF
C
AWS Certificate Manager
D
Amazon Inspector
Reveal Answer
Explanation
AWS Certificate Manager provides SSL/TLS certificates to encrypt data in transit; the others do not handle encryption directly.
You are configuring a CI/CD pipeline in AWS CodePipeline. What happens if a source action fails?
A
Pipeline stops executing
B
Pipeline runs success actions
C
Failure is ignored
D
Retries indefinitely
Reveal Answer
Explanation
A source action failure stops the entire pipeline execution; others incorrectly describe behavior not supported by CodePipeline.
Which service allows automating the deployment of applications to AWS?
A
AWS CloudFormation
B
AWS CodeDeploy
C
AWS Lambda
D
AWS Elastic Beanstalk
Reveal Answer
Explanation
AWS CodeDeploy specifically facilitates the automation of application deployments, while others serve different purposes.
A company needs to manage instances dynamically based on demand. What should they use?
A
AWS IAM
B
AWS Auto Scaling
C
AWS CloudTrail
D
AWS Lambda
Reveal Answer
Explanation
AWS Auto Scaling automatically adjusts instance numbers based on demand, while others do not manage instance scaling.
You are configuring VPC peering. What happens if there are overlapping CIDR blocks?
A
It establishes peering successfully.
B
Peering connection fails.
C
Traffic will be routed automatically.
D
CIDR blocks are auto-resized.
Reveal Answer
Explanation
Peering fails due to overlapping CIDR blocks, preventing valid routes between VPCs.
Which AWS service can automate deployments using CI/CD pipelines?
A
AWS CodePipeline
B
AWS Lambda
C
Amazon EC2
D
AWS CloudFormation
Reveal Answer
Explanation
AWS CodePipeline specifically automates the CI/CD process, while others serve different purposes.
A company needs to run a containerized app with autoscaling. Which service is most suitable?
A
Amazon ECS
B
AWS Elastic Beanstalk
C
Amazon EC2
D
AWS Lambda
Reveal Answer
Explanation
Amazon ECS offers robust container management with autoscaling, unlike the others.
You are configuring a VPC with public subnets. What happens if a subnet has no route to an internet gateway?
A
Instances can't access the internet
B
Instances can access local VPC resources
C
Subnet becomes private automatically
D
EC2 instances are unreachable internally
Reveal Answer
Explanation
Without a route to an internet gateway, instances in the subnet cannot access the internet.
Which service allows you to run code without provisioning servers?
A
AWS Lambda
B
Amazon EC2
C
AWS Elastic Beanstalk
D
Amazon RDS
Reveal Answer
Explanation
AWS Lambda lets you run code without managing servers while the others require managing infrastructure.