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KCNA Questions and Answers

Question # 6

How to get the logs of the previously terminated nginx container from the web pod?

A.

kubectl logs -p -c nginx web

B.

kubectl logs nginx

C.

kubectl logs -p -c web nginx

D.

kubectl logs -f -c nginx web

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Question # 7

Which of the following best describes the way K8S Role-based access control (RBAC) works?

A.

K8S does not do RBAC or Cluster role

B.

RBAC lists which operations are denied to users

C.

States which users can perform which actions against the resources.

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Question # 8

Continuous delivery is ______.

A.

Manually deploying the code

B.

Coding, Building and Testing the code

C.

Automatically deploying code to [container or server] environment

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Question # 9

To specify a Kubernetes object which language is used?

A.

JSON

B.

Go

C.

YAML

D.

Node

E.

Python

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Question # 10

What is horizontal scaling?

A.

Creating a Deployment

B.

Adding resources to existing apps and servers

C.

Moving workloads from one server to another

D.

Adding additional replicas of apps and servers

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Question # 11

What can you use to add new resource types to your cluster?

A.

start container

B.

CustomResourceDefinitions

C.

init container

D.

Flux

E.

CRI-O

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Question # 12

How can persistent volume be provisioned?

A.

Automatically

B.

Bootstrap

C.

Dynamically

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Question # 13

Which tool is built on the GitOps toolkit?

A.

Jenkins-X

B.

GitHub Workflow & Actions

C.

Flux

D.

Jenkins

E.

ArgoCD

F.

Travis CI

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Question # 14

Fluentd is the leading project in the CNCF space for logging?

A.

TRUE

B.

FALSE

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Question # 15

What is the command used to scale the application?

A.

kubectl run

B.

kubectl explain

C.

kubectl scale

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Question # 16

Which organizational persona creates Service Level Agreements 'SLA', Service Level Objectives 'SLO', and Service Level Indicator 'SLI'?

A.

Developer

B.

DevSecOps

C.

Site Reliability Engineer (SRE)

D.

Security and Compliance Engineer

E.

DevOps

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Question # 17

What are container runtimes with Kubernetes?

A.

CRI-O

B.

lxd

C.

containerd

D.

Dockershim

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Question # 18

Various Container Orchestrator Systems (COS)?

A.

Apache Mesos

B.

None of the options

C.

Docker Swarm

D.

Kubernetes

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