2023 New KCNA Exam Questions Real Linux Foundation Dumps [Q65-Q90]

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2023 New KCNA  Exam Questions Real Linux Foundation Dumps

Course 2023 KCNA Test Prep Training Practice Exam Download

NEW QUESTION # 65
Which prometheus metric type represents a single number value that can increase and decrease over time?

  • A. Counter
  • B. Gauge
  • C. Histogram
  • D. Summary

Answer: B

Explanation:
https://prometheus.io/docs/concepts/metric_types/#gauge


NEW QUESTION # 66
An application that is nearing its usage limit. To increase the amount of users it can handle, you allo-cate additional memory resources to each instance of the application. What type of scaling is this?

  • A. Horizontal Scaling
  • B. Recursive Scaling
  • C. Cluster Autoscaling
  • D. Vertical Scaling

Answer: D

Explanation:


NEW QUESTION # 67
Which organizational persona creates Service Level Agreements 'SLA', Service Level Objectives 'SLO', and Service Level Indicator 'SLI'?

  • A. DevOps
  • B. Site Reliability Engineer (SRE)
  • C. DevSecOps
  • D. Security and Compliance Engineer
  • E. Developer

Answer: B

Explanation:
SREs create SLAs, SLOs, and SLIs to define and implement standards for application and infra-structure reliability.


NEW QUESTION # 68
Which command is used to expose Kubernetes service

  • A. kubectl expose
  • B. kubectl run
  • C. kubectl create

Answer: A

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


NEW QUESTION # 69
Fluentd is the only way to export logs from Kubernetes cluster or applications running in cluster

  • A. True
  • B. False

Answer: B

Explanation:
https://github.com/cncf/landscape#trail-map


NEW QUESTION # 70
Which kubernetes object do deployments use behind the scenes when they need to scale pods?

  • A. ReplicaSets
  • B. kubectl
  • C. Horizontal pod autoscaler
  • D. Replication controller

Answer: A

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


NEW QUESTION # 71
Which CNCF project is the dominant project with respect to container registries

  • A. Harbor
  • B. Kubernetes
  • C. Rook
  • D. Envoy

Answer: A

Explanation:
https://goharbor.io/


NEW QUESTION # 72
What is horizontal scaling?

  • A. Moving workloads from one server to another
  • B. Adding additional replicas of apps and servers
  • C. Creating a Deployment
  • D. Adding resources to existing apps and servers

Answer: B

Explanation:
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/


NEW QUESTION # 73
What is Open Container Initiative 'OCI'?

  • A. A protocol for communicating with the kubernetes api
  • B. An open standard for managing service mesh in kubernetes
  • C. An organization that creates open standards for containers
  • D. The governing body of the Cloud Native Computing Foundation 'CNCF'

Answer: C

Explanation:
https://opencontainers.org/


NEW QUESTION # 74
Flux is built using which toolkit?

  • A. GitOps
  • B. DevOps
  • C. CI/CD
  • D. DevSecOps

Answer: A

Explanation:
https://fluxcd.io/


NEW QUESTION # 75
What is the command to list all the available objects in your Kubernetes cluster?

  • A. kubectl get all
  • B. kubectl get pods
  • C. kubectl get api-resources
  • D. kubectl api-resources

Answer: D

Explanation:
https://kubernetes.io/docs/reference/kubectl/cheatsheet/


NEW QUESTION # 76
What CNCF project is the leading DNS project in the CNCF landscape?

  • A. gRPC
  • B. Kubernetes
  • C. CoreDNS
  • D. KubeDNS

Answer: C

Explanation:
https://github.com/cncf/landscape#trail-map


NEW QUESTION # 77
Continuous delivery is ______.

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

Answer: C


NEW QUESTION # 78
What do control groups provide when it come to containers

  • A. Image Storage
  • B. Logging
  • C. Permission
  • D. Isolation

Answer: D

Explanation:


NEW QUESTION # 79
Which of the following is used to request storage in Kubernetes?

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

Answer: A

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


NEW QUESTION # 80
What tool allows us to build useful visual representations of prometheus data?

  • A. Kibana
  • B. kubectl
  • C. Distributed system tracing
  • D. Grafana
  • E. Rook

Answer: D

Explanation:
https://prometheus.io/


NEW QUESTION # 81
What command can you use to get documentation about a resource type from the command line?

  • A. kubectl get
  • B. kubeadm get-resource
  • C. kubectl explain
  • D. kubectl api-resources

Answer: C

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


NEW QUESTION # 82
Which of the following components is part of the Kubernetes control panel

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

Answer: C

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


NEW QUESTION # 83
What is the primary interface for Kubernetes cluster?

  • A. Control Plane
  • B. JSON
  • C. Kubernetes Api
  • D. YAML
  • E. Kubelet

Answer: C

Explanation:
https://kubernetes.io/docs/concepts/overview/components/#kube-apiserver


NEW QUESTION # 84
Which authentication method allows JWTs to authenticate?

  • A. Anonymous
  • B. OPA gatekeeper
  • C. Client 'TLS' certificates
  • D. OpenId connect

Answer: D


NEW QUESTION # 85
The 4C's of Cloud Native security

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

Answer: B

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


NEW QUESTION # 86
What is FinOps?

  • A. Specialized cloud features used by financial industries (example: banks, insurance, etc)
  • B. Using data to make cost savings decisions about cloud usage
  • C. Stage beyond DevOps or DevSecOps, where organization transition to serverless tech-nologies
  • D. The first step in any cloud transformation

Answer: B

Explanation:
https://www.servicenow.com/products/it-asset-management/what-is-finops.html


NEW QUESTION # 87
Stateful set requires which service for the network identity of pods?

  • A. Headless Service
  • B. Load Balancer Service
  • C. Ingress

Answer: A

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


NEW QUESTION # 88
Which of the following command is used to get detailed information about the pod?

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

Answer: C

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


NEW QUESTION # 89
Which component of the kubernetes control-plane (master) are all requests to deploy and manage objects posted to?

  • A. ETCD
  • B. Controller Manager
  • C. Kubelet
  • D. API Server
  • E. Kube-proxy

Answer: D

Explanation:
https://kubernetes.io/docs/reference/command-line-tools-reference/kube-apiserver/


NEW QUESTION # 90
......


The Linux Foundation KCNA (Kubernetes and Cloud Native Associate) Exam is a certification program designed to test the proficiency of IT professionals in deploying and managing cloud-native applications using Kubernetes. Kubernetes is an open-source container orchestration platform that has become increasingly popular among organizations worldwide due to its ability to automate the deployment, scaling, and management of containerized applications. As a result, the demand for professionals with Kubernetes skills has been growing rapidly, making the KCNA certification an important credential for those seeking career advancement in the cloud-native space.

 

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