DevOps Tools CV0-004 Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   What is the purpose of Jenkins plugins?

   • ATo replace the Jenkins core with a different automation engine
   • BTo store build artifacts in a central repository
   • CTo extend Jenkins' functionality with additional features and integrations
   • DTo manage the underlying operating system of Jenkins agents
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2. 12foundation · easy

   Which command is used to deploy an application in a Kubernetes cluster by creating a deployment from an image?

   • Akubectl run
   • Bkubectl deploy
   • Ckubectl create pod
   • Dkubectl start
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4. 13application · medium

   A Kubernetes cluster has three worker nodes. An application is deployed with a ReplicaSet that specifies 4 replicas. The scheduler places the pods. One of the worker nodes becomes unavailable. What will happen to the pods that were running on the failed node?

   • AThe pods on the failed node will be automatically migrated to another node without any action.
   • BThe ReplicaSet controller will create new pods on the remaining healthy nodes to maintain the desired count of 4.
   • CThe cluster will stop scheduling new pods until the node is back online.
   • DThe application will be unavailable until the node is restored.
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5. 14foundation · easy

   In Kubernetes architecture, what is a pod?

   • AA virtual machine that runs the Kubernetes control plane
   • BA group of nodes that share the same storage volume
   • CA container image stored in a registry
   • DThe smallest deployable unit that can contain one or more containers
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6. 15expert · hard

   An administrator has an Ansible playbook that deploys a web application. The playbook is run against a group of servers, but it fails on one server due to a transient network issue. The administrator wants to ensure that the playbook is resilient and can handle such failures. What is the best approach to handle this?

   • AUse the 'retries' and 'until' keywords on the specific task that is failing.
   • BUse the 'ignore_errors' directive on the tasks that might fail.
   • CUse the 'force_handlers' directive to ensure handlers run even if a task fails.
   • DAdd a 'retry' directive to the playbook to automatically retry failed tasks.
   Reveal Solution Discussion Select an answer first