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 ensure that their Amazon RDS database is automatically backed up every day at a specific time. Which feature should they enable?
ARead Replica
BSnapshots
CAutomated Backups
DDB Parameter Groups
Explanation
Automated Backups enable daily backups at a set time; Read Replicas are for scaling, Snapshots are manual, and Parameter Groups affect configuration, not backups.
Q42
What happens when you launch an EC2 instance without a security group?
AInstance launches successfully and is public
BInstance cannot communicate with the internet
CInstance deploys with default settings
DLaunch fails with an error message
Explanation
An EC2 instance without a security group cannot communicate outwardly; it has default outbound rules but no inbound, while it does not launch with an error or use default settings.
Q43
Which AWS service helps automate code deployments?
AAWS CodePipeline
BAmazon EC2
CAWS Lambda
DAmazon S3
Explanation
AWS CodePipeline automates deployments via a CI/CD approach, while the others do not focus on this task.
Q44
A company needs to monitor memory usage and disk space on AWS ECS containers effectively. Which service should they use?
AAWS CloudTrail
BAmazon CloudWatch
CAWS Config
DAmazon RDS
Explanation
Amazon CloudWatch provides real-time monitoring for resources, unlike the other options which serve different purposes.
Q45
You are configuring an AWS CloudFormation template for infrastructure management. What happens when you create a change set?
AIt deletes the stack.
BIt updates resources immediately.
CIt previews changes before applying.
DIt validates the entire template.
Explanation
Change sets allow previewing changes before execution, unlike deletion or immediate updates which affect resources directly.
Q46
Which AWS service enables infrastructure as code?
AAWS CloudFormation
BAWS IAM
CAWS EC2
DAWS S3
Explanation
AWS CloudFormation allows users to define infrastructure through code, while IAM, EC2, and S3 serve different purposes.
Q47
A company needs to store application logs securely with easy access for analysis. Which service should they use?
AAWS DynamoDB
BAWS RDS
CAmazon S3
DAWS Lambda
Explanation
Amazon S3 provides secure, durable storage for logs, unlike DynamoDB, RDS, and Lambda, which are inappropriate for log storage.
Q48
You are configuring Auto Scaling policies. What happens when the desired capacity is set higher than the maximum capacity?
AAuto Scaling will fail.
BAuto Scaling will scale to maximum.
CNo scaling will occur.
DInstance launch will be deferred.
Explanation
Auto Scaling will cap the scale at the maximum capacity, so it will not exceed this limit, rendering options A and D incorrect.
Q49
Which service can automate the deployment of applications to AWS?