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 461–470 of 483
You are configuring an Auto Scaling group. What is the minimum number of instances required for a healthy scaling operation?
A
1
B
2
C
3
D
No minimum required
Reveal Answer
Explanation
An Auto Scaling group can operate with a single instance but ideally should manage multiple for redundancy.
A company needs to ensure that its API Gateway endpoints are protected against DDoS attacks. Which service provides this protection?
A
AWS WAF
B
CloudFront
C
Shield
D
Lambda
Reveal Answer
Explanation
AWS Shield specifically offers DDoS protection for services like API Gateway, unlike WAF which is more for web attacks.
Which service can automate code deployment to multiple environments?
A
AWS CodeDeploy
B
Amazon S3
C
AWS CloudFormation
D
AWS Elastic Beanstalk
Reveal Answer
Explanation
AWS CodeDeploy automates application deployments, while the others serve different purposes.
A company needs a highly available database solution with automatic failover. Which service is best?
A
Amazon RDS Multi-AZ
B
Amazon ElastiCache
C
Amazon DynamoDB
D
AWS Redshift
Reveal Answer
Explanation
Amazon RDS Multi-AZ ensures high availability, while the others do not provide automated failover.
What happens when you disable a security group rule about inbound traffic?
A
Traffic is blocked from all sources.
B
Existing sessions continue unaffected.
C
All outbound rules are also disabled.
D
Only new connections are affected.
Reveal Answer
Explanation
Existing connections remain unaffected since the rules apply to new connections only.
Which AWS service is best for deploying code across multiple environments?
A
AWS CodeDeploy
B
Amazon S3
C
AWS Lambda
D
Amazon RDS
Reveal Answer
Explanation
AWS CodeDeploy is specialized for application deployments; others serve different purposes.
A company needs to run batch jobs without managing servers. Which service should they use?
A
EC2 instances
B
AWS Fargate
C
AWS Lambda
D
Amazon EFS
Reveal Answer
Explanation
AWS Fargate allows serverless container management; EC2 requires server management.
You are configuring a VPC. What happens if you assign a public IP to an EC2 instance?
A
It can access the internet.
B
It cannot access the internet.
C
It loses its private IP.
D
It only communicates within AWS.
Reveal Answer
Explanation
A public IP allows direct internet access; others misrepresent capabilities of public IPs.
Which service allows infrastructure as code for AWS resources?
A
AWS CloudFormation
B
AWS Lambda
C
Amazon RDS
D
Amazon EC2
Reveal Answer
Explanation
AWS CloudFormation enables infrastructure as code, while the others serve different purposes.
A company needs to ensure reliable deployment of microservices. Which strategy should they use?
A
AGILE development
B
Blue/Green Deployments
C
Waterfall model
D
Vertical scaling
Reveal Answer
Explanation
Blue/Green Deployment ensures reliable microservice deployment with minimal downtime and risk, unlike the other options.