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KCNA Practice Questions

Kubernetes and Cloud Native Associate

Last Update 4 days ago
Total Questions : 239

Dive into our fully updated and stable KCNA practice test platform, featuring all the latest Kubernetes and Cloud Native exam questions added this week. Our preparation tool is more than just a Linux Foundation study aid; it's a strategic advantage.

Our free Kubernetes and Cloud Native practice questions crafted to reflect the domains and difficulty of the actual exam. The detailed rationales explain the 'why' behind each answer, reinforcing key concepts about KCNA. Use this test to pinpoint which areas you need to focus your study on.

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Question # 21

In a Kubernetes cluster, what is the primary role of the Kubernetes scheduler?

Options:

A.  

To manage the lifecycle of the Pods by restarting them when they fail.

B.  

To monitor the health of the nodes and Pods in the cluster.

C.  

To handle network traffic between services within the cluster.

D.  

To distribute Pods across nodes based on resource availability and constraints.

Discussion 0
Question # 22

What is the primary purpose of a Horizontal Pod Autoscaler (HPA) in Kubernetes?

Options:

A.  

To automatically scale the number of Pod replicas based on resource utilization.

B.  

To track performance metrics and report health status for nodes and Pods.

C.  

To coordinate rolling updates of Pods when deploying new application versions.

D.  

To allocate and manage persistent volumes required by stateful applications.

Discussion 0
Question # 23

How are ReplicaSets and Deployments related?

Options:

A.  

Deployments manage ReplicaSets and provide declarative updates to Pods.

B.  

ReplicaSets manage stateful applications, Deployments manage stateless applications.

C.  

Deployments are runtime instances of ReplicaSets.

D.  

ReplicaSets are subsets of Jobs and CronJobs which use imperative Deployments.

Discussion 0
Question # 24

Which storage operator in Kubernetes can help the system to self-scale, self-heal, etc?

Options:

A.  

Rook

B.  

Kubernetes

C.  

Helm

D.  

Container Storage Interface (CSI)

Discussion 0
Question # 25

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

Options:

A.  

Host Network

B.  

Network

C.  

Process ID

D.  

Process Name

Discussion 0
Question # 26

In a cloud native environment, who is usually responsible for maintaining the workloads running across the different platforms?

Options:

A.  

The cloud provider.

B.  

The Site Reliability Engineering (SRE) team.

C.  

The team of developers.

D.  

The Support Engineering team (SE).

Discussion 0
Question # 27

If a Pod was waiting for container images to download on the scheduled node, what state would it be in?

Options:

A.  

Failed

B.  

Succeeded

C.  

Unknown

D.  

Pending

Discussion 0
Question # 28

Which statement about Secrets is correct?

Options:

A.  

A Secret is part of a Pod specification.

B.  

Secret data is encrypted with the cluster private key by default.

C.  

Secret data is base64 encoded and stored unencrypted by default.

D.  

A Secret can only be used for confidential data.

Discussion 0
Question # 29

Which of these components is part of the Kubernetes Control Plane?

Options:

A.  

CoreDNS

B.  

cloud-controller-manager

C.  

kube-proxy

D.  

kubelet

Discussion 0
Question # 30

Which Prometheus metric represents a single value that can go up and down?

Options:

A.  

Counter

B.  

Gauge

C.  

Summary

D.  

Histogram

Discussion 0
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