Amazon AWS

AWS Certified DevOps Engineer – Professional

DOP-C02
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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
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Questions 1–10 of 483

Q1

Which AWS service is best for real-time data processing?

  • A Amazon Kinesis
  • B AWS Glue
  • C Amazon S3
  • D AWS Batch
Explanation Amazon Kinesis is designed for real-time data processing, while others are used for data storage or batch processing.
Q2

A company needs to automate scaling of an application based on demand. What should they implement?

  • A AWS CloudFormation
  • B Auto Scaling Groups
  • C Elastic Load Balancer
  • D AWS Lambda
Explanation Auto Scaling Groups automatically adjust capacity according to demand, unlike the other options which serve different functions.
Q3

You are configuring IAM policies and want to restrict a user's access to only specific resources within a service. What should you do?

  • A Attach an inline policy
  • B Use a service role
  • C Create a Managed Policy
  • D Grant administrator access
Explanation Inline policies allow for specific, resource-level access while the other options are either broader or inappropriate for this need.
Q4

Which AWS service would you use for continuous integration and continuous delivery?

  • A AWS CodePipeline
  • B AWS Lambda
  • C AWS CloudFormation
  • D Amazon S3
Explanation AWS CodePipeline is specifically designed for CI/CD workflows, while Lambda supports serverless, and CloudFormation is for infrastructure as code.
Q5

A company needs to directly access objects in S3 via HTTP without using SDKs. What should they implement?

  • A S3 Select
  • B Pre-signed URLs
  • C Static website hosting
  • D S3 Replication
Explanation Static website hosting provides direct HTTP access to S3 objects without SDK usage, while pre-signed URLs require temporary access tokens.
Q6

What happens when you terminate an EC2 instance with an EBS-backed root volume?

  • A Volume is deleted
  • B Volume is kept
  • C Instance is paused
  • D Volume is resized
Explanation By default, the EBS root volume is deleted upon instance termination unless configured to be retained, contrary to remaining options.
Q7

Which AWS service can automatically scale resources based on demand?

  • A Amazon EC2 Auto Scaling
  • B AWS Lambda
  • C Amazon RDS
  • D Amazon S3
Explanation Amazon EC2 Auto Scaling adjusts instance numbers based on need, while the others do not primarily scale resources dynamically.
Q8

A company needs to monitor its AWS infrastructure in real-time and react to specific events automatically. What service should they consider for this requirement?

  • A Amazon SNS
  • B Amazon CloudWatch
  • C AWS CloudTrail
  • D AWS Config
Explanation Amazon CloudWatch offers monitoring and event handling, while the other options serve different monitoring or logging purposes.
Q9

You are configuring an IAM policy that includes a deny statement. What will be the effect if the policy is attached to a user that already has an allow policy granting the same permissions?

  • A Allow permission will take precedence
  • B User will be denied those permissions
  • C Only deny applies to all actions
  • D IAM policies do not support deny
Explanation Deny statements in IAM policies always take precedence over allow statements, thus the user will be denied those permissions.
Q10

Which AWS service provides a fully managed message queuing service?

  • A Amazon SQS
  • B AWS Lambda
  • C Amazon RDS
  • D AWS Direct Connect
Explanation Amazon SQS is specifically designed for message queuing, while the others serve different purposes.