[Q24-Q46] Free Sample Questions to Practice KCNA Certification Test Engine [Oct-2022]

Free Sample Questions to Practice KCNA Certification Test Engine [Oct-2022]

2022 Valid KCNA Real Exam Questions, practice Kubernetes Cloud Native Associate

Linux Foundation KCNA Exam Syllabus Topics:

Topic	Details
Topic 1	Community and Governance, Roles and Personas Cloud Native Architecture1
Topic 2	Kubernetes Architecture, Kubernetes Fundamentals, Kubernetes Resources, Kubernetes API
Topic 3	Telemetry & Observability Cloud Native Observability
Topic 4	Application Delivery Fundamentals GitOps, CI CD Cloud Native Application Delivery
Topic 5	Container Orchestration Fundamentals Container Orchestration, Networking, Service Mesh, Security

 

NEW QUESTION 24
Which of the following are not the metrics for Site Reliability Engineering?

• A. Service Level Agreements 'SLA'
• B. Service Level Definition 'SLD'
• C. Service Level Indicators 'SLI'
• D. Service Level Objectives 'SLO'

Answer: B

Explanation:
SLI defined quantitative measure of some aspect of the level of service that is provided.
SLOs are key to making data-driven decisions about reliability, they're at the core of SRE practic-es.
SLAs an explicit or implicit contract with your users that includes consequences of meeting (or missing) the SLOs they contain.

 

NEW QUESTION 25
Which of the following is not the required field to describe Kubernetes objects?

• A. Container
• B. metadata
• C. apiVersion
• D. spec
• E. Kind

Answer: A

Explanation:
https://kubernetes.io/docs/concepts/overview/working-with-objects/kubernetes-objects/

 

NEW QUESTION 26
What is the name for a service that has no clusterIp address?

• A. LoadBalancer
• B. ClusterIP
• C. NodePort
• D. Headless

Answer: D

Explanation:
https://kubernetes.io/docs/concepts/services-networking/service/#headless-services

 

NEW QUESTION 27
How can persistent volume be provisioned?

• A. Bootstrap
• B. Automatically
• C. Dynamically

Answer: C

Explanation:
https://kubernetes.io/docs/concepts/storage/persistent-volumes/

 

NEW QUESTION 28
What is the functionality of the daemon set?

• A. To initialize the pod before starting the main pod
• B. To run a copy of the pod in all the nodes of the cluster
• C. To run a copy of the pod in a single node of the cluster

Answer: B

Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/

 

NEW QUESTION 29
What are the two major components of service mesh?

• A. Control plane and Data plane
• B. None of the options
• C. Controller plane and User plane
• D. Master plane and User plane
• E. Master plane and Data plane

Answer: A

Explanation:
https://istio.io/latest/about/service-mesh/

 

NEW QUESTION 30
What is the name of the Kubernetes agent that runs on each worker nodes?

• A. kube-proxy
• B. systemd
• C. kubelet
• D. pod

Answer: C

Explanation:
https://kubernetes.io/docs/concepts/overview/components/

 

NEW QUESTION 31
Which access control component of Kubernetes is responsible for authorization and decides what requestor is allowed to do?

• A. Service Account
• B. Deployment
• C. Role-based access control 'RBAC'

Answer: C

Explanation:
https://kubernetes.io/docs/reference/access-authn-authz/authorization/

 

NEW QUESTION 32
Which of the following components is part of the Kubernetes control panel

• A. kubectl
• B. kube-proxy
• C. kubelet
• D. Cloud control manager
• E. Service Mesh

Answer: D

Explanation:
https://kubernetes.io/docs/concepts/overview/components/

 

NEW QUESTION 33
Which of the following command is used to get detailed information about the pod?

• A. kubectl describe
• B. kubectl info
• C. kubectl explain
• D. kubectl get

Answer: A

Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#describe

 

NEW QUESTION 34
What is OPA?

• A. Online Policy Audit
• B. Open Policy Agent
• C. Open Permission Agent
• D. Offline Policy Accessor

Answer: B

Explanation:
https://www.cncf.io/projects/open-policy-agent-opa/

 

NEW QUESTION 35
You might need to run a stateless application in kubernetes, and you want to be able to scale easily and perform rolling updates. What kubernetes resource type can you use to do this

• A. Dameon set
• B. Stateful set
• C. service
• D. Replica set
• E. Deployment
• F. pod

Answer: E

Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/deployment/

 

NEW QUESTION 36
Which of the following provides cloud-native storage orchestration?

• A. Cloud Storage
• B. Cloud Provider Specific storage (EBS, EFS, Cloud Storage)
• C. Storage IO

Answer: B

Explanation:
https://kubernetes.io/docs/concepts/storage/persistent-volumes/#types-of-persistent-volumes

 

NEW QUESTION 37
To run a startup task before a Pod's container starts up. What Kubernetes feature can help you ac-complish this?

• A. Sidecar container
• B. DaemonSet
• C. Init container
• D. Startup probe

Answer: C

Explanation:
https://kubernetes.io/docs/concepts/workloads/pods/init-containers/

 

NEW QUESTION 38
The 4C's of Cloud Native security

• A. Chroot, Compute, Cluster and Container
• B. Code, Containers, Compute, and Cloud
• C. Cloud, Clusters, Containers, and Code
• D. Cluster, Cloud, Compute, and Containers

Answer: C

Explanation:
https://kubernetes.io/docs/concepts/security/overview/

 

NEW QUESTION 39
What do GitOps tools do in kubernetes?

• A. They manage the source code of kubernetes itself
• B. They allow us to make changes to a kubernetes cluster using a Git repository
• C. They allows us to store container images in repositories
• D. They allow us to store software code in Git

Answer: B

Explanation:
https://fluxcd.io/docs/components/

 

NEW QUESTION 40
Continuous delivery is ______.

• A. Automatically deploying code to [container or server] environment
• B. Manually deploying the code
• C. Coding, Building and Testing the code

Answer: A

 

NEW QUESTION 41
What do you call the pattern where you add a second container to the pod to collect logs infor-mation?

• A. Sidecar container logging
• B. Cluster level logging
• C. Node level logging
• D. Application level logging

Answer: A

Explanation:
https://kubernetes.io/docs/concepts/cluster-administration/logging/

 

NEW QUESTION 42
What are container runtimes with Kubernetes?

• A. containerd
• B. lxd
• C. Dockershim
• D. CRI-O

Answer: A,D

Explanation:
https://kubernetes.io/docs/setup/production-environment/container-runtimes/

 

NEW QUESTION 43
What are cluster-wide objects

• A. ConfigMaps and Secrets
• B. Service and Pods
• C. Volumes and Nodes

Answer: C

Explanation:
https://kubernetes.io/docs/concepts/overview/working-with-objects/_print/

 

NEW QUESTION 44
How to get the logs of the previously terminated nginx container from the web pod?

• A. kubectl logs -f -c nginx web
• B. kubectl logs nginx
• C. kubectl logs -p -c nginx web
• D. kubectl logs -p -c web nginx

Answer: C

Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#logs

 

NEW QUESTION 45
Which of the following is used to request storage in Kubernetes?

• A. Container Storage Interface 'CSI'
• B. StorageClasses
• C. PersistentVolumeClaim 'PVC'
• D. PersistentVolume 'PV'

Answer: C

Explanation:
https://kubernetes.io/docs/concepts/storage/persistent-volumes/

 

NEW QUESTION 46
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