Task Statement 1.4: Implement Deployment Strategies for Instance, Container, and Serverless Environments. DOP-C02 Practice Questions (Page 4)

Questions 16–20

1. 16application · medium

   A CodeDeploy deployment to an EC2 instance is failing at the 'DownloadBundle' stage. The deployment logs show a 'Timeout' error. The instance has the CodeDeploy agent installed and is registered with the deployment group. What is the most likely cause of this failure?

   • AThe application specification file (appspec.yml) is malformed
   • BThe instance does not have the correct IAM permissions to download the revision from Amazon S3
   • CThe instance is not in the same Availability Zone as the S3 bucket
   • DThe CodeDeploy agent is not running on the instance
   Reveal Solution Discussion Select an answer first
2. 17foundation · easy

   A DevOps engineer needs to deploy a new version of an application to a fleet of EC2 instances with minimal downtime. They want to update instances in batches, keeping the remaining instances serving traffic until each batch is updated. Which deployment strategy does this describe?

   • ARolling deployment
   • BCanary deployment
   • CIn-place deployment
   • DBlue/green deployment
   Reveal Solution Discussion Select an answer first
4. 18foundation · easy

   Which AWS storage service is a shared file system that can be mounted by multiple EC2 instances simultaneously, making it suitable for applications that require shared access to files?

   • AAmazon S3
   • BAmazon EFS
   • CAmazon EBS
   • DAWS Storage Gateway
   Reveal Solution Discussion Select an answer first
5. 19foundation · easy

   Which AWS service is used to build and maintain machine images (AMIs) for EC2 instances, including applying updates and customizing software?

   • AAWS Image Builder
   • BAWS CodeDeploy
   • CAWS CodePipeline
   • DAWS Systems Manager
   Reveal Solution Discussion Select an answer first
6. 20application · medium

   A company uses AWS CodeDeploy to deploy a web application to a fleet of EC2 instances. The application code is stored in an Amazon S3 bucket. The team wants to automate the deployment process so that whenever a new version of the application is uploaded to S3, a deployment is triggered automatically. Which approach should the team use?

   • AUse the AWS CLI to create a cron job that checks for new objects in S3 and starts a deployment
   • BUse the CodeDeploy console to manually start a deployment each time a new version is uploaded
   • CUse an S3 bucket policy to trigger a CodeDeploy deployment
   • DUse an Amazon EventBridge rule to detect S3 PUT events and invoke a Lambda function that starts the CodeDeploy deployment
   Reveal Solution Discussion Select an answer first