Understanding the DevOps Workflow GCSA Practice Questions (Page 9)

Questions 41–45

1. 41application · medium

   A team deploys a new version of a service to production. They want to automatically detect an increase in error rate and roll back the deployment if the error rate exceeds a threshold. Which combination of practices should they implement?

   • ARely on the CI pipeline to run integration tests before deployment, and manually monitor the service after release.
   • BAdd logging and metrics to the service, configure a monitoring alert on error rate, and set up an automated rollback trigger in the deployment pipeline.
   • CSchedule a daily job that reviews the logs and sends a report to the team.
   • DUse a canary deployment and manually inspect the canary logs before promoting to full production.
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2. 42application · medium

   A DevOps team is setting up a toolchain for a new project. They need a tool to automate the build and test process, a tool to manage source code, and a tool to collect and visualize metrics from their applications. Which set of tools best fits these needs?

   • ADocker for CI, Subversion for version control, and Nagios for monitoring.
   • BJenkins for CI, Git for version control, and Prometheus for monitoring.
   • CTerraform for CI, Git for version control, and Elasticsearch for monitoring.
   • DAnsible for CI, GitHub for version control, and Grafana for CI.
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4. 43application · medium

   A cloud team manages a production environment that was originally configured manually through the console. They want to reduce configuration drift and enable peer review of infrastructure changes. Which approach should they adopt?

   • ACreate a detailed runbook that documents all manual console steps and require two engineers to perform changes together.
   • BUse a configuration management tool like Ansible to push changes directly from an engineer's laptop to production.
   • CStore Terraform configuration files in a Git repository and apply them through a CI/CD pipeline.
   • DTake weekly snapshots of the production environment and compare them against a baseline document.
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5. 44foundation · easy

   Which of the following best describes a core principle of DevOps?

   • AKeeping development and operations teams separate to minimize conflict
   • BAutomating all processes to remove the need for human oversight
   • CFocusing primarily on tooling rather than cultural change
   • DEncouraging collaboration, automation, measurement, and sharing across teams
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6. 45expert · hard

   A company wants to implement continuous delivery for a legacy application that has a complex deployment process involving database migrations and configuration changes. The team is concerned about the risk of automated deployments. They want to reduce risk while still automating the release process. Which approach should they take?

   • AAutomate the deployment pipeline but include a manual approval gate before production, and run automated smoke tests after deployment.
   • BUse a blue/green deployment strategy with no automated testing.
   • CKeep the deployment manual but automate the database migrations only.
   • DAutomate the entire deployment to production with no manual checks.
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