Microsoft Azure DevOps Solutions(AZ-400) Practice Test 3

Explanation:
The options you can choose for a queuing policy are:

• Number of parallel deployments
• If you specify a maximum number of deployments, two more options appear:
  • Deploy all in sequence
  • Deploy latest and cancel the others: Use this option if you are producing releases faster than builds, and you only want to deploy the latest build.

Incorrect Answers:
C: Release gates allow automatic collection of health signals from external services, and then promote the release when all the signals are successful at the same time or stop the deployment on timeout. Typically, gates are used in connection with incident management, problem management, change management,monitoring, and external approval systems.
References:
https://docs.microsoft.com/en-us/azure/devops/pipelines/process/stages?tabs=classic&view=azure-devops#queuing-policies