KCNA by Linux Foundation Actual Free Exam Questions And Answers

Question 1

In which framework do the developers no longer have to deal with capacity, deployments, scaling and fault tolerance, and OS?

A. Docker Swam

B. Serverless

C. Kubernetes

D. Mesos

Discussion 0

Correct Answer: B Vote an answer

Question 2

What is the default value for authorization-mode in Kubernetes API server?

A. --authorization-mode=AlwaysDeny

B. --authorization-mode=ABAC

C. --authorization-mode=RBAC

D. --authorization-mode=AlwaysAllow

Discussion 0

Correct Answer: D Vote an answer

Question 3

How are ConfigMap s correctly used in Kubernetes applications?

A. A ConfigMap is used to provide configuration values that Pods consume as files or variables.

B. A ConfigMap is used to adjust cluster scheduling rules applied by the Kubernetes scheduler.

C. A ConfigMap is used to hold shared log files that applications produce during execution.

D. A ConfigMap is used to keep encrypted secrets such as passwords for databases or tokens.

Discussion 0

Correct Answer: A Vote an answer

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Question 4

Which statement about the Kubernetes network model is correct?

A. Pods can communicate with all Pods without NAT.

B. The Service IP is used for the communication between Services.

C. The Pod IP is only visible inside a Pod.

D. Pods can only communicate with Pods exposed via a Service.

Discussion 0

Correct Answer: A Vote an answer

Question 5

What is ephemeral storage?

A. Storage that may grow dynamically.

B. Storage space that need not persist across restarts.

C. Storage used by multiple consumers (e.g. multiple Pods).

D. Storage that is always provisioned locally

Discussion 0

Correct Answer: B Vote an answer

Question 6

Which tools enable Kubernetes HorizontalPodAutoscalers to use custom, application-generated metrics to trigger scaling events?

A. Prometheus and the prometheus-adapter.

B. Graylog and the kubernetes-adapter.

C. Graylog and graylog-autoscaler metrics.

D. Grafana and Prometheus.

Discussion 0

Correct Answer: A Vote an answer

Question 7

A Kubernetes administrator wants to limit the total memory usage of all Pods in a specific namespace to 4Gi. What should they create to enforce this limit?

A. Namespace

B. LimitRange

C. ResourceQuota

D. ClusterRole

Discussion 0

Correct Answer: C Vote an answer

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Question 8

Which of the following statements is correct concerning Open Policy Agent (OPA)?

A. Kubernetes can use it to validate requests and apply policies.

B. It cannot be used outside Kubernetes.

C. Policies can only be tested when published.

D. The policies must be written in Python language.

Discussion 0

Correct Answer: A Vote an answer

Question 9

A request for 500 mebibytes of ephemeral storage must be specified in a YAMLfile. How should this be written?

A. 0.5M

B. 500m

C. 500mi

D. 500Mi

Discussion 0

Correct Answer: D Vote an answer

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Question 10

Which resource do you use to attach a volume in a Pod?

A. StorageVolume

B. StorageClass

C. PersistentVolumeClaim

D. PersistentVolume

Discussion 0

Correct Answer: C Vote an answer

Linux Foundation Kubernetes and Cloud Native Associate - KCNA Exam Practice Test

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