[Aug-2024] Updated and Accurate KCNA Questions & Answers for passing the exam Quickly
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Linux Foundation KCNA (Kubernetes and Cloud Native Associate) Certification Exam is an industry-recognized certification that validates one's knowledge and proficiency in working with Kubernetes and cloud-native technologies. KCNA exam is intended to assess an individual's understanding of the fundamental concepts and key components of Kubernetes and cloud-native architectures.
Linux Foundation KCNA (Kubernetes and Cloud Native Associate) Certification Exam is a comprehensive exam designed to test the knowledge and skills of individuals in the field of cloud-native computing. KCNA exam covers a range of topics, including Kubernetes, containerization, microservices, and cloud-native architecture. Kubernetes and Cloud Native Associate certification is ideal for individuals who want to demonstrate their expertise in designing, deploying, and managing cloud-native applications.
NEW QUESTION # 56
What is FinOps?
- A. Stage beyond DevOps or DevSecOps, where organization transition to serverless tech-nologies
- B. The first step in any cloud transformation
- C. Using data to make cost savings decisions about cloud usage
- D. Specialized cloud features used by financial industries (example: banks, insurance, etc)
Answer: C
Explanation:
https://www.servicenow.com/products/it-asset-management/what-is-finops.html
NEW QUESTION # 57
Which project is not a dominant CNCF project in the storage landscape?
- A. Envoy
- B. TiKV
- C. Rook
- D. Vitess
Answer: A
Explanation:
https://github.com/cncf/landscape#trail-map
NEW QUESTION # 58
What feature is used for selecting the container runtime configuration?
- A. RuntimeConfig
- B. RuntimeClass
- C. Runtime
- D. RuntimeContainer
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/containers/runtime-class/
NEW QUESTION # 59
What is horizontal scaling?
- A. Creating a Deployment
- B. Adding additional replicas of apps and servers
- C. Adding resources to existing apps and servers
- D. Moving workloads from one server to another
Answer: B
Explanation:
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
NEW QUESTION # 60
What is container runtime?
- A. The amount of time it takes a container to execute
- B. A container image format
- C. Another term of kubelet or kubectl
- D. Software that runs containers
Answer: D
Explanation:
https://www.aquasec.com/cloud-native-academy/container-security/container-runtime/
NEW QUESTION # 61
What is the main difference between Argo vs. Flux CD?
- A. Argo is pull-based, and Flux is push-based
- B. No difference; both are push-based
- C. No difference; both are pull-based
- D. Argo is push-based, and Flux is pull-based
Answer: D
Explanation:
AgroCD: https://argo-cd.readthedocs.io/en/stable/developer-guide/ci/#can-i-retrigger-the-checks-without-pushing-a-new-commit
FluxCD: https://fluxcd.io/
NEW QUESTION # 62
What can you use to add new resource types to your cluster?
- A. CustomResourceDefinitions
- B. start container
- C. CRI-O
- D. init container
- E. Flux
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/extend-kubernetes/api-extension/custom-resources/
NEW QUESTION # 63
How to create deployment name app-dep, image=nginx, and replicas 5 using imperative command?
- A. kubectl create deployment app-dep --image=nginx --replicas=5
- B. kubectl create app-dep deployment --image=nginx --replicas=5
- C. kubectl create app-dep deployment --replicas=5 --image=nginx
Answer: A
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#-em-deployment-em-
NEW QUESTION # 64
'kubectl delete -n my-ns po,svc --all' will delete pods and services including uninitialized ones in the namespace 'my-ns'
- A. TRUE
- B. FALSE
Answer: A
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#delete
NEW QUESTION # 65
What is the smallest possible unit in Kubernetes to run a container?
- A. pod
- B. container
- C. service
- D. docker
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/workloads/pods/
NEW QUESTION # 66
What is the most common way to scale the application in the cloud environment?
- A. Vertical Scaling
- B. Horizontal Scaling
- C. Parallel Scaling
Answer: B
Explanation:
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
NEW QUESTION # 67
A ________ is a ready-to-run software package, containing everything needed to run an application.
- A. Docker
- B. Container Runtime
- C. Container Repository
- D. Container Image
Answer: D
Explanation:
https://kubernetes.io/docs/concepts/containers/#container-images
NEW QUESTION # 68
How should folks new to the cloud native ecosystem, go about learning the different aspects of the ecosystem?
- A. by reading the Kubernetes documentation
- B. by looking at the cloud native trail-map
- C. by looking at the cloud native landscape
- D. by signing up the CNCF slack
Answer: B
Explanation:
https://github.com/cncf/landscape#trail-map
NEW QUESTION # 69
What Linux feature is used to provide isolation for containers?
- A. NetworkPolicy
- B. Services
- C. Control groups
- D. Processes
Answer: C
Explanation:
Control groups provide isolation for container processes, keeping them separate from other process-es on the host.
NEW QUESTION # 70
Which CNCF project is the dominant project with respect to container registries
- A. Harbor
- B. Rook
- C. Kubernetes
- D. Envoy
Answer: A
Explanation:
https://goharbor.io/
NEW QUESTION # 71
What is the name of the Kubernetes agent that runs on each worker nodes?
- A. kubelet
- B. kube-proxy
- C. pod
- D. systemd
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/overview/components/
NEW QUESTION # 72
What are the two major components of service mesh?
- A. Control plane and Data plane
- B. Master plane and Data plane
- C. Controller plane and User plane
- D. None of the options
- E. Master plane and User plane
Answer: A
Explanation:
https://istio.io/latest/about/service-mesh/
NEW QUESTION # 73
Which of the following is not the required field to describe Kubernetes objects?
- A. spec
- B. Kind
- C. apiVersion
- D. metadata
- E. Container
Answer: E
Explanation:
https://kubernetes.io/docs/concepts/overview/working-with-objects/kubernetes-objects/
NEW QUESTION # 74
What standard does kubelet use to communicate with the container runtime?
- A. CRI-O
- B. ContainerD
- C. Container Runtime Interface (CRI)
- D. Service Mesh Interface (SMI)
Answer: C
Explanation:
kubelet can communicate with any runtime that supports the CRI standard.
NEW QUESTION # 75
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. service
- C. pod
- D. Deployment
- E. Stateful set
- F. Replica set
Answer: D
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/deployment/
NEW QUESTION # 76
What is the use of labels in Kubernetes?
- A. It is used to assign annotation to an object
- B. It is used to assign key-value pair to an object
- C. It is used to assign a name to an object.
- D. All of the options
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
NEW QUESTION # 77
Stateful set requires which service for the network identity of pods?
- A. Ingress
- B. Load Balancer Service
- C. Headless Service
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/
NEW QUESTION # 78
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