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.
A company needs to automate backups for its RDS instances. Which solution should they implement?
AAWS Data Pipeline
BAWS Backup
CAmazon S3
DAWS Lambda
Explanation
AWS Backup provides centralized backup management for RDS instances, unlike the other options which serve different purposes.
Q432
You are configuring an IAM role for a Lambda function. What is the least privilege principle?
AGrant all permissions to the role
BGrant only necessary permissions
CAssign permissions based on role
DUse a wildcard for all actions
Explanation
The least privilege principle means granting only necessary permissions to minimize security risks, whereas other options violate this principle.
Q433
Which service allows blue-green deployments in AWS?
AAWS CodeDeploy
BAWS Lambda
CAmazon EC2
DAmazon RDS
Explanation
AWS CodeDeploy specifically supports blue-green deployments, while the others relate to compute or database services.
Q434
A company needs to run fault-tolerant applications across multiple Availability Zones. Which architecture should they use?
ASingle-AZ setup with backups
BMulti-AZ with Auto Scaling
CSingle-Instance EC2
DS3 for static storage only
Explanation
Multi-AZ with Auto Scaling ensures high availability and fault tolerance, unlike the other options which lack redundancy.
Q435
What happens when a CloudFormation stack is updated and resources are replaced?
AOld resources are immediately terminated
BUpdates are automatically rolled back
CNew resources are created alongside old
DNo changes occur during update
Explanation
CloudFormation creates new resources alongside the old ones if they are being replaced, ensuring minimal downtime.
Q436
Which service is used for automating code deployments?
AAWS CodePipeline
BAmazon EC2
CAWS IAM
DAmazon RDS
Explanation
AWS CodePipeline automates continuous integration and deployment, while others do not.
Q437
A company needs to run a containerized application with minimal operational overhead. What should they use?
AAmazon EC2
BAWS Lambda
CAmazon ECS
DAWS Batch
Explanation
Amazon ECS allows for easier management of containerized applications with low operational overhead compared to EC2 or Lambda.
Q438
You are configuring AWS CloudTrail for logging. What happens if you disable CloudTrail logging?
ACurrent logs will be deleted.
BLogging will stop but past logs remain.
CEnabled logs will be encrypted.
DAccess to AWS is restricted.
Explanation
Disabling CloudTrail stops new log generation, but existing logs remain accessible.
Q439
Which AWS service streamlines the deployment of containers?
AAWS Elastic Beanstalk
BAWS Lambda
CAmazon ECS
DAmazon S3
Explanation
Amazon ECS is designed specifically for container orchestration, while the others serve different purposes.
Q440
You are configuring an EC2 instance in a public subnet. What happens if you do not assign an Elastic IP?
AInstance will time out on requests
BInstance will lose access to the Internet
CInstance will remain isolated
DInstance will have a private IP
Explanation
An instance in a public subnet will get a private IP but require an Elastic IP or internet gateway for public access.