100%無料Kubernetes Cloud Native Associate KCNA問題集PDFお試しサンプル認定ガイドカバー率
PDF試験材料2023年最新の実際に出るKCNA問題集
KCNA認定試験は、Kubernetesおよびクラウドネイティブ技術を使用してアプリケーションを開発および展開することに興味のある個人を対象としています。Kubernetesアーキテクチャとコンポーネント、Kubernetesクラスタの展開と管理、コンテナ化、ネットワーキング、ストレージ、セキュリティなど、幅広いトピックをカバーしています。この試験は、Kubernetesおよびその他の関連技術を使用してクラウドネイティブアプリケーションを設計、展開、および管理する能力をテストすることを意図しています。
質問 # 54
What is autoscaling?
- A. Automatically adding or removing compute resources as needed
- B. Automatically assigning workloads to nodes in a cluster
- C. Automatically measuring resource usage
- D. Automatically repairing broken application instances
正解：A
解説：
https://kubernetes.io/blog/2016/07/autoscaling-in-kubernetes/
Autoscaling means automatically scaling up or down in response to real-time usage data.
質問 # 55
Which of the following is an example of vertical scaling?
- A. Adding more replica pods to a deployment
- B. Adding more resources (memory and/or cpu) to a kubernetes node
- C. Using cluster autoscaler
- D. Adding more nodes to kubernetes cluster
正解：B
解説：
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
質問 # 56
Which organizational persona creates Service Level Agreements 'SLA', Service Level Objectives 'SLO', and Service Level Indicator 'SLI'?
- A. Site Reliability Engineer (SRE)
- B. DevSecOps
- C. Developer
- D. DevOps
- E. Security and Compliance Engineer
正解：A
解説：
SREs create SLAs, SLOs, and SLIs to define and implement standards for application and infra-structure reliability.
質問 # 57
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. Cluster Autoscaling
- B. Recursive Scaling
- C. Vertical Scaling
- D. Horizontal Scaling
正解：C
解説：
質問 # 58
Which role is responsible of creating service level indicator 'SLI', service level objective 'SLO', & Service Level Agreements 'SLA'
- A. GitOps
- B. Security and compliance engineer
- C. Developer
- D. DevOps
- E. Site reliability engineer 'SRE'
正解：E
解説：
https://www.atlassian.com/incident-management/kpis/sla-vs-slo-vs-sli
質問 # 59
What is container orchestration?
- A. Using automation to manage containers
- B. Spinning a new containers to replace old ones
- C. Packaging code and all of its dependencies into a single executable
- D. Adding code to a container image so it can run as a container
正解：A
解説：
https://www.redhat.com/en/topics/containers/what-is-container-orchestration
質問 # 60
Which kubernetes object do deployments use behind the scenes when they need to scale pods?
- A. Horizontal pod autoscaler
- B. ReplicaSets
- C. kubectl
- D. Replication controller
正解：B
解説：
https://kubernetes.io/docs/concepts/workloads/controllers/replicaset/
質問 # 61
Which of the following computing model doesn't require you to provision infrastructure?
- A. Virtual Machines
- B. Serverless
- C. Bare Metal
- D. None of the above
- E. Compute Engine
正解：B
解説：
質問 # 62
What command use to get documentation about kubernetes resource type
- A. alias k='kubectl'
k api-resources - B. alias k='kubectl'
k api-list - C. alias k='kubectl'
k explain - D. alias k='kubectl'
k get resource
正解：C
解説：
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#explain
質問 # 63
Which is NOT a use case for the Kubernetes dashboard?
- A. Troubleshooting any issues with applications
- B. Managing running applications
- C. Installing new Kubernetes cluster
- D. Managing the entire Kubernetes cluster
正解：C
質問 # 64
What does CNCF stand for?
- A. Cloud Native Container Foundation
- B. Cloud Native Cloud Foundation
- C. Cloud Native Computing Foundation
正解：C
解説：
https://www.cncf.io/about/who-we-are/
質問 # 65
What feature is used for selecting the container runtime configuration?
- A. RuntimeClass
- B. RuntimeContainer
- C. RuntimeConfig
- D. Runtime
正解：A
解説：
https://kubernetes.io/docs/concepts/containers/runtime-class/
質問 # 66
What tool allows you to create self-managing, self-scaling, self-healing storage?
- A. Rook
- B. Volume
- C. Persistent Volume Claim
- D. Persistent Volume
- E. Storage Class
正解：A
解説：
https://rook.io/
質問 # 67
Various Container Orchestrator Systems (COS)?
- A. None of the options
- B. Apache Mesos
- C. Kubernetes
- D. Docker Swarm
正解：B、C、D
質問 # 68
Open Container Initiative set container standards for
- A. Run, build, and image
- B. Run, Build, Distribute containers
- C. Code, Build, Distribute, Deploy containers
- D. Code, Build, Distribute containers
正解：B
質問 # 69
What do GitOps tools do in kubernetes?
- A. They manage the source code of kubernetes itself
- B. They allows us to store container images in repositories
- C. They allow us to make changes to a kubernetes cluster using a Git repository
- D. They allow us to store software code in Git
正解：C
解説：
https://fluxcd.io/docs/components/
質問 # 70
Notary and the update framework leading security projects in CNCF
- A. FALSE
- B. TRUE
正解：B
解説：
https://github.com/cncf/landscape#trail-map
質問 # 71
What is the main difference between Argo vs. Flux CD?
- A. No difference; both are pull-based
- B. No difference; both are push-based
- C. Argo is pull-based, and Flux is push-based
- D. Argo is push-based, and Flux is pull-based
正解：D
解説：
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/
質問 # 72
Which of the following is not the Kubernetes AutoScaling Strategy?
- A. Cluster Autoscaler
- B. Vertical Pod Autoscaler
- C. Horizontal Pod Autoscaler
- D. Load Balancing AutoScaler
正解：D
解説：
https://learnk8s.io/kubernetes-autoscaling-strategies
質問 # 73
How can you achieve cost optimization in the cloud environment?
- A. Use Reserved Instances
- B. Use Spot Instances
- C. Use On Demand instances
- D. Use Bare Metal
正解：A
質問 # 74
Have a pod 'hello' and a container in that pod 'green'. Which of the following commands would get the logs for that container?
- A. alias k='kubectl'
k logs hello -c green - B. alias k='kubectl'
k logs -p hello green - C. alias k='kubectl'
k get logs -p hello -c green - D. alias k='kubectl'
k logs -p hello -c green
正解：A
解説：
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#logs
質問 # 75
Continuous delivery is ______.
- A. Automatically deploying code to [container or server] environment
- B. Manually deploying the code
- C. Coding, Building and Testing the code
正解：A
質問 # 76
What CNCF project is the leading DNS project in the CNCF landscape?
- A. KubeDNS
- B. Kubernetes
- C. CoreDNS
- D. gRPC
正解：C
解説：
https://github.com/cncf/landscape#trail-map
質問 # 77
Which of the following command is used to get detailed information about the pod?
- A. kubectl info
- B. kubectl get
- C. kubectl explain
- D. kubectl describe
正解：D
解説：
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#describe
質問 # 78
In Kubernetes, what is considered the primary cluster data source?
- A. scheduler
- B. kubelet
- C. api server
- D. etcd (pronounce: esty-d)
正解：D
解説：
https://kubernetes.io/docs/concepts/overview/components/#etcd
質問 # 79
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