KCNA practice questions 261–270

1. Question 261 · 282 in bank

   What is the primary role of a Service in a Kubernetes cluster?

   • AIt exposes an application running behind a single outward-facing endpoint.
   • BTo store configuration data and secrets in the cluster.
   • CTo provide an endpoint for outward side to access the cluster on the Internet.
   • DTo manage the scaling of applications automatically in the cluster.

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   Answer: A

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2. Question 262 · 282 in bank

   What happens if a container runtime is missing on Kubernetes worker nodes?

   • Akubelet can not communicate with kube-api-server.
   • BNodes can not communicate with each other.
   • Ckubelet can not launch Pods.
   • DPods can not communicate with each other.

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   Answer: C

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3. Question 263 · 282 in bank

   Which of the following Pod Security Standards enforces the most restrictive settings, designed for security-critical workloads?

   • AUnrestricted
   • BRestricted
   • CPrivileged
   • DBaseline

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   Answer: B

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4. Question 264 · 282 in bank

   Which statement is correct about Role and ClusterRole objects in Kubernetes?

   • ARoles can only set permissions for resources within a particular namespace.
   • BClusterRoles and Roles can remove permissions from resources within a namespace.
   • CClusterRoles can only set permissions for resources that are not assigned to a namespace.
   • DRoles can set permissions for both namespaced and non-namespaced objects.

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   Answer: A

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5. Question 265 · 282 in bank

   What are the possible options for PolicyTypes when configuring NetworkPolicy?

   • Ainbound and outbound
   • Bingress and egress
   • Cpush and pull
   • Dget and put

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   Answer: B

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6. Question 266 · 282 in bank

   A Pod needs to be configured for a slow-starting application. What is the best approach to ensure the Pod is only marked as ready when it is fully initialized?

   • AUse a startup probe only.
   • BUse a readiness probe only.
   • CUse both liveness and startup probes.
   • DUse both readiness and startup probes.

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   Answer: D

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7. Question 267 · 282 in bank

   A Kubernetes node is on hardware that is scheduled for maintenance. How can the Pods scheduled on that node be identified so workloads can be redirected before the node is taken out of service?

   • Akubectl describe node
   • Bkubectl get pods -o wide --all-namespaces
   • Ckubectl get pods --on
   • Dkubectl describe pods --on

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   Answer: B

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8. Question 268 · 282 in bank

   By default, Pods are non-isolated and accept traffic from any source. When a NetworkPolicy selects a Pod, it becomes isolated. How are multiple NetworkPolicies applied to the same Pod handled in Kubernetes?

   • Arestricted
   • Badditive
   • Cconflicting
   • Dhierarchical

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   Answer: B

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9. Question 269 · 282 in bank

   CNCF supports and helps organize different Kubernetes related events: meetups, KubeCons, KubeDays, KCDs etc. What does KCD stand for?

   • AKubernetes Cloud Developers
   • BKubernetes Cloud Days
   • CKubernetes Community Days
   • DKubernetes Community Developers

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   Answer: C

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10. Question 270 · 282 in bank

    Which command correctly uses kubectl exec to inspect environment variables inside a running container?

    • ARun kubectl exec -- show variables
    • BRun kubectl exec -- get env
    • CRun kubectl exec -- list config
    • DRun kubectl exec -- env

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    Answer: D

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KCNA practice, question 261. 282 questions available.