KCNA by Linux Foundation Actual Free Exam Questions And Answers

Question 1

What can be used to create a job that will run at specified times/dates or on a repeating schedule?

A. CalendarJob

B. Job

C. CronJob

D. BatchJob

Discussion 0

Correct Answer: C Vote an answer

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Question 2

What is the minimum number of etcd members that are required for a highly available Kubernetes cluster?

A. Two etcd members.

B. Six etcd members.

C. Five etcd members.

D. Three etcd members.

Discussion 0

Correct Answer: D Vote an answer

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Question 3

Which of these is a valid container restart policy?

A. On start

B. On failure

C. On login

D. On update

Discussion 0

Correct Answer: B Vote an answer

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Question 4

Which of the following actions is supported when working with Pods in Kubernetes?

A. Guaranteeing Pods always stay on the same node once scheduled.

B. Creating Pods through workload resources like Deployments.

C. Managing static Pods directly through the API server.

D. Renaming containers in a Pod using kubectl patch.

Discussion 0

Correct Answer: B Vote an answer

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Question 5

What default level of protection is applied to the data in Secrets in the Kubernetes API?

A. The values are encoded with SHA256 hashes

B. The values are base64 encoded

C. The values are stored in plain text

D. The values use AES symmetric encryption

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Correct Answer: B Vote an answer

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Question 6

Which of the following is a definition of Hybrid Cloud?

A. A cloud native architecture that uses services running in different public and private clouds, including on-premises data centers.

B. A cloud native architecture that uses services running in public clouds, excluding data centers in different availability zones.

C. A combination of services running in public and private data centers, excluding serverless functions.

D. A combination of services running in public and private data centers, only including data centers from the same cloud provider.

Discussion 0

Correct Answer: A Vote an answer

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Question 7

What is a Kubernetes service with no cluster IP address called?

A. IPLess Service

B. Specless Service

C. Nodeless Service

D. Headless Service

Discussion 0

Correct Answer: D Vote an answer

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Question 8

What Linux namespace is shared by default by containers running within a Kubernetes Pod?

A. Process ID

B. Host Network

C. Network

D. Process Name

Discussion 0

Correct Answer: C Vote an answer

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Question 9

Kubernetes supports multiple virtual clusters backed by the same physical cluster. These virtual clusters are called:

A. Hypervisors

B. cgroups

C. Namespaces

D. Containers

Discussion 0

Correct Answer: C Vote an answer

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Question 10

How many different Kubernetes service types can you define?

A. 2

B. 4

C. 5

D. 3

Discussion 0

Correct Answer: B Vote an answer

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Question 11

What is the main purpose of a DaemonSet?

A. A DaemonSet ensures that a process (agent) runs on every node.

B. A DaemonSet ensures that there are as many pods running as specified in the replicas field.

C. A DaemonSet ensures that all (or certain) nodes run a copy of a Pod.

D. A DaemonSet ensures that the kubelet is constantly up and running.

Discussion 0

Correct Answer: C Vote an answer

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Question 12

Which of these events will cause the kube-scheduler to assign a Pod to a node?

A. When the CPU load on the node becomes too high.

B. When a new node is added to the Kubernetes cluster.

C. When the Pod crashes because of an error.

D. When a new Pod is created and has no assigned node.

Discussion 0

Correct Answer: D Vote an answer

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Question 13

Which mechanism allows extending the Kubernetes API?

A. Kustomize

B. ConfigMap

C. CustomResourceDefinition

D. MutatingAdmissionWebhook mechanism

Discussion 0

Correct Answer: C Vote an answer

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Question 14

Which of the following systems is NOT compatible with the CRI runtime interface standard?
(Typo corrected: "CRI-0" # "CRI-O")

A. CRI-O

B. containerd

C. dockershim

D. systemd

Discussion 0

Correct Answer: D Vote an answer

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Question 15

In a cloud native world, what does the IaC abbreviation stand for?

A. Infrastructure across Code

B. Infrastructure above Code

C. Infrastructure and Code

D. Infrastructure as Code

Discussion 0

Correct Answer: D Vote an answer

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

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