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Free 300-910 Exam Braindumps (page: 3)

Page 2 of 29
PDF with 130 Questions

Which type of testing should be integrated into a CI/CD pipeline to ensure the correct behavior of all of the modules in the source code that were developed using TDD?

  1. soak testing
  2. unit testing
  3. load testing
  4. volume testing

Answer(s): B



Refer to the exhibit.



How should the Jenkins job be troubleshooted based on the error provided?

  1. Verify what the responding file created.
  2. Update pip.
  3. Install dependencies.
  4. Place the code in a container and run the job again.

Answer(s): A



Configuration changes to the production network devices are performed by a CI/CD pipeline. The code repository and the CI tool are running on separate servers. Some configuration changes are pushed to the code repository, but the pipeline did not start.

Why did the pipeline fail to start?

  1. The CI server was not configured as a Git remote for the repository.
  2. The webhook call from the code repository did not reach the CI server.
  3. Configuration changes must be sent to the pipeline, which then updates the repository.
  4. The pipeline must be started manually after the code repository is updated.

Answer(s): B

Explanation:

A webhook is basically a callback URL that is triggered when certain events occur, such as a code commit. If the webhook call from the code repository does not reach the CI server, then the pipeline will not start. According to the Cisco Implementing DevOps Solutions and Practices using Cisco Platforms (DEVOPS) Study Manual, "A webhook is a web-based feature that enables a remote service to communicate with a local service, usually through a web server. Webhooks are used to trigger an action when a specific event occurs, usually in a remote service or application."



A new version of an application is being released by creating a separate instance of the application that is running the new code. Only a small portion of the user base will be directed to the new instance until that version has been proven stable. Which deployment strategy is this example of?

  1. recreate
  2. blue/green
  3. rolling
  4. canary

Answer(s): D






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