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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 # 51

A Pod has been created, but when checked with kubectl get pods, the READY column shows 0/1. What Kubernetes feature causes this behavior?

Options:

A.  

Node Selector

B.  

Readiness Probes

C.  

DNS Policy

D.  

Security Contexts

Discussion 0
Question # 52

What is the main purpose of a DaemonSet?

Options:

A.  

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

B.  

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

C.  

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

D.  

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

Discussion 0
Question # 53

What framework does Kubernetes use to authenticate users with JSON Web Tokens?

Options:

A.  

OpenID Connect

B.  

OpenID Container

C.  

OpenID Cluster

D.  

OpenID CNCF

Discussion 0
Question # 54

Imagine you're releasing open-source software for the first time. Which of the following is a valid semantic version?

Options:

A.  

1.0

B.  

2021-10-11

C.  

0.1.0-rc

D.  

v1beta1

Discussion 0
Question # 55

What feature must a CNI support to control specific traffic flows for workloads running in Kubernetes?

Options:

A.  

Border Gateway Protocol

B.  

IP Address Management

C.  

Pod Security Policy

D.  

Network Policies

Discussion 0
Question # 56

What is the default deployment strategy in Kubernetes?

Options:

A.  

Rolling update

B.  

Blue/Green deployment

C.  

Canary deployment

D.  

Recreate deployment

Discussion 0
Question # 57

Which command provides information about the field replicas within the spec resource of a deployment object?

Options:

A.  

kubectl get deployment.spec.replicas

B.  

kubectl explain deployment.spec.replicas

C.  

kubectl describe deployment.spec.replicas

D.  

kubectl explain deployment --spec.replicas

Discussion 0
Question # 58

Which Kubernetes component is the smallest deployable unit of computing?

Options:

A.  

StatefulSet

B.  

Deployment

C.  

Pod

D.  

Container

Discussion 0
Question # 59

Which component of the node is responsible to run workloads?

Options:

A.  

The kubelet.

B.  

The kube-proxy.

C.  

The kube-apiserver.

D.  

The container runtime.

Discussion 0
Question # 60

What components are common in a service mesh?

Options:

A.  

Tracing and log storage

B.  

Circuit breaking and Pod scheduling

C.  

Data plane and runtime plane

D.  

Service proxy and control plane

Discussion 0
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