KCNA practice questions 171–180

1. Question 171 · 282 in bank

   What is the default eviction timeout when the Ready condition of a node is Unknown or False?

   • AThirty seconds.
   • BThirty minutes.
   • COne minute.
   • DFive minutes.

   Show answer

   Answer: D

   Next question

2. Question 172 · 282 in bank

   What is the main purpose of a DaemonSet?

   • AA DaemonSet ensures that all (or certain) nodes run a copy of a Pod.
   • BA DaemonSet ensures that the kubelet is constantly up and running.
   • CA DaemonSet ensures that there are as many pods running as specified in the replicas field.
   • DA DaemonSet ensures that a process (agent) runs on every node.

   Show answer

   Answer: A

   Next question

3. Question 173 · 282 in bank

   Why do administrators need a container orchestration tool?

   • ATo manage the lifecycle of an elevated number of containers.
   • BTo assess the security risks of the container images used in production.
   • CTo learn how to transform monolithic applications into microservices.
   • DContainer orchestration tools such as Kubernetes are the future.

   Show answer

   Answer: A

   Next question

4. Question 174 · 282 in bank

   Which two elements are shared between containers in the same pod?

   • ANetwork resources and liveness probes.
   • BStorage and container image registry.
   • CStorage and network resources.
   • DNetwork resources and Dockerfiles.

   Show answer

   Answer: C

   Next question

5. Question 175 · 282 in bank

   In Kubernetes, if the API version of feature is v2beta3, it means that:

   • AThe version will remain available for all future releases within a Kubernetes major version.
   • BThe API may change in incompatible ways in a later software release without notice.
   • CThe software is well tested. Enabling a feature is considered safe.
   • DThe software may contain bugs. Enabling a feature may expose bugs.

   Show answer

   Answer: B

   Next question

6. Question 176 · 282 in bank

   What is the API that exposes resource metrics from the metrics-server?

   • Acustom.k8s.io
   • Bresources.k8s.io
   • Cmetrics.k8s.io
   • Dcadvisor.k8s.io

   Show answer

   Answer: C

   Next question

7. Question 177 · 282 in bank

   Which of the following resources helps in managing a stateless application workload on a Kubernetes cluster?

   • ADaemonSet
   • BStatefulSet
   • Ckubectl
   • DDeployment

   Show answer

   Answer: D

   Next question

8. Question 178 · 282 in bank

   Which mechanism can be used to automatically adjust the amount of resources for an application?

   • AHorizontal Pod Autoscaler (HPA)
   • BKubernetes Event-driven Autoscaling (KEDA)
   • CCluster Autoscaler
   • DVertical Pod Autoscaler (VPA)

   Show answer

   Answer: D

   Next question

9. Question 179 · 282 in bank

   Which of the following is a recommended security habit in Kubernetes?

   • ARun the containers as the user with group ID 0 (root) and any user ID.
   • BDisallow privilege escalation from within a container as the default option.
   • CRun the containers as the user with user ID 0 (root) and any group ID.
   • DAllow privilege escalation from within a container as the default option.

   Show answer

   Answer: B

   Next question

10. Question 180 · 282 in bank

    What are the 3 pillars of Observability?

    • AMetrics, Logs, and Traces
    • BMetrics, Logs, and Spans
    • CMetrics, Data, and Traces
    • DResources, Logs, and Tracing

    Show answer

    Answer: A

    Next question

Keyboard:J Kmove between questionsA–Dselect an answerRshow or hide the answer← →change page

KCNA practice, question 171. 282 questions available.