KCNA Online Practice Questions and Answers

To specify a Kubernetes object which language is used?

A. JSON

B. Go

C. YAML

D. Node

E. Python

In distributed system tracing, is the term used to refer to a request as it passes through a single component of the distributed system?

A. Log

B. Span

C. Trace

D. Bucket

What kind of limitation cgroups allows?

A. Prioritization

B. Resource limiting

C. Accounting

D. None of the options

E. Control

F. Server cpu and memory

How would you return all the pod data in the json format using kubectl command?

A. kubectl get pods -o json

B. kubectl get pods --all-namspaces

C. kubectl get pods -o wide

D. kubectl get pods -o jsonpath

What do control groups provide when it come to containers

A. Permission

B. Image Storage

C. Isolation

D. Logging

Which of the following is an example of vertical scaling?

A. Using cluster autoscaler

B. Adding more resources (memory and/or cpu) to a kubernetes node

C. Adding more nodes to kubernetes cluster

D. Adding more replica pods to a deployment

What are container runtimes with Kubernetes?

A. CRI-O

B. lxd

C. containerd

D. Dockershim

What are cluster-wide objects

A. Service and Pods

B. Volumes and Nodes

C. ConfigMaps and Secrets

What tool allows you to create self-managing, self-scaling, self-healing storage?

A. Persistent Volume

B. Persistent Volume Claim

C. Storage Class

D. Rook

E. Volume

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