Task Statement 2.1: Define Cloud Infrastructure and Reusable Components to Provision and Manage Systems Throughout Their Lifecycle. DOP-C02 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   A team needs to deploy application configuration changes (such as feature flags) to EC2 instances in a controlled way, with the ability to validate changes and roll back if necessary. Which AWS service is specifically designed for this use case?

   • AAWS AppConfig
   • BAWS Systems Manager
   • CAWS Config
   • DAWS OpsWorks
   Reveal Solution Discussion Select an answer first
2. 7application · medium

   A company runs a fleet of Amazon EC2 instances that host a legacy application. The application reads a configuration file from a local path on each instance. The DevOps team needs to update the configuration on all instances in a rolling fashion, with the ability to roll back quickly if the new configuration causes errors. Which AWS service should they use?

   • AAWS AppConfig
   • BAWS Config
   • CAWS OpsWorks for Chef Automate
   • DAWS Systems Manager Run Command
   Reveal Solution Discussion Select an answer first
4. 8application · medium

   A team is using AWS CDK to define infrastructure. They need to deploy the same application to multiple environments (dev, test, prod) with different configurations, such as instance sizes and database names. What is the recommended way to handle these environment-specific values?

   • AHardcode the values in the CDK app code and use Git branches to manage differences.
   • BCreate separate stacks for each environment in the same CDK app and use environment variables.
   • CUse AWS Systems Manager Parameter Store to store all configuration and retrieve it at runtime.
   • DUse CDK context values and pass them via the `-c` flag or `cdk.json` for each environment.
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   A team wants to create a reusable CloudFormation template that encapsulates a standard security group configuration, which can be included in multiple parent templates. Which CloudFormation feature is designed for this?

   • ACloudFormation Modules
   • BCloudFormation Change Sets
   • CCloudFormation Outputs
   • DCloudFormation StackSets
   Reveal Solution Discussion Select an answer first
6. 10foundation · easy

   A DevOps engineer needs to apply a configuration change to a fleet of EC2 instances, such as installing a software package, and wants to do this without logging into each instance. Which AWS service is designed for this purpose?

   • AAWS Systems Manager
   • BAWS AppConfig
   • CAWS Config
   • DAWS OpsWorks
   Reveal Solution Discussion Select an answer first