Verified KCNA dumps Q&As - 2024 Latest KCNA Download
Dumps Questions [2024] Pass for KCNA Exam
NEW QUESTION # 65
What is the primary interface for Kubernetes cluster?
- A. YAML
- B. Kubelet
- C. Kubernetes Api
- D. JSON
- E. Control Plane
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/overview/components/#kube-apiserver
NEW QUESTION # 66
kubeadm is an administrative dashboard for kubernetes
- A. True
- B. False
Answer: B
Explanation:
https://kubernetes.io/docs/reference/setup-tools/kubeadm/
NEW QUESTION # 67
What can you use to add new resource types to your cluster?
- A. init container
- B. start container
- C. CustomResourceDefinitions
- D. Flux
- E. CRI-O
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/extend-kubernetes/api-extension/custom-resources/
NEW QUESTION # 68
Which of the following components is part of the Kubernetes control panel
- A. kube-proxy
- B. Cloud control manager
- C. kubelet
- D. Service Mesh
- E. kubectl
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/overview/components/
NEW QUESTION # 69
What is etcd used for in Kubernetes?
- A. Network routing for the cluster
- B. Integration with cloud platforms
- C. Kubernetes API security
- D. Backend object storage for the Kubernetes API
Answer: D
Explanation:
etcd serves as a distributed object store that backs the Kubernetes API.
NEW QUESTION # 70
What is container orchestration?
- A. Spinning a new containers to replace old ones
- B. Packaging code and all of its dependencies into a single executable
- C. Using automation to manage containers
- D. Adding code to a container image so it can run as a container
Answer: C
Explanation:
https://www.redhat.com/en/topics/containers/what-is-container-orchestration
NEW QUESTION # 71
What is a commonly used package manager for kubernetes applications?
- A. npm
- B. kubernetes manifest
- C. helm
- D. apt
Answer: C
Explanation:
https://helm.sh/
NEW QUESTION # 72
A new Pod is created. Then, the Pod is assigned to a Node. Which Kubernetes component was re-sponsible for determining which Node to assign the Pod to?
- A. Scheduler
- B. kubelet
- C. API Server
- D. Controller manager
Answer: A
Explanation:
https://kubernetes.io/docs/reference/command-line-tools-reference/kube-scheduler/
NEW QUESTION # 73
A ________ is a ready-to-run software package, containing everything needed to run an application.
- A. Container Repository
- B. Container Image
- C. Container Runtime
- D. Docker
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/containers/#container-images
NEW QUESTION # 74
Which style of operations are preferred for kubernetes and cloud-native applications?
- A. None of the above
- B. Imperative
- C. Declarative
Answer: C
Explanation:
https://kubernetes.io/docs/tasks/manage-kubernetes-objects/declarative-config/#trade-offs
NEW QUESTION # 75
Which of the following are characteristics of Statefulsets?
- A. Creates replica sets
- B. Ordered, graceful deployment and scaling
- C. Uses headless services
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/
NEW QUESTION # 76
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. Replica set
- B. Dameon set
- C. Stateful set
- D. Deployment
- E. pod
- F. service
Answer: D
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/deployment/
NEW QUESTION # 77
What is autoscaling?
- A. Automatically assigning workloads to nodes in a cluster
- B. Automatically repairing broken application instances
- C. Automatically adding or removing compute resources as needed
- D. Automatically measuring resource usage
Answer: C
Explanation:
https://kubernetes.io/blog/2016/07/autoscaling-in-kubernetes/
Autoscaling means automatically scaling up or down in response to real-time usage data.
NEW QUESTION # 78
Which command is used to expose Kubernetes service
- A. kubectl expose
- B. kubectl create
- C. kubectl run
Answer: A
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#expose
NEW QUESTION # 79
What tool allows you to create self-managing, self-scaling, self-healing storage?
- A. Persistent Volume Claim
- B. Storage Class
- C. Persistent Volume
- D. Rook
- E. Volume
Answer: D
Explanation:
https://rook.io/
NEW QUESTION # 80
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. Vertical Scaling
- B. Horizontal Scaling
- C. Recursive Scaling
- D. Cluster Autoscaling
Answer: A
Explanation:
NEW QUESTION # 81
What do you call the pattern where you add a second container to the pod to collect logs infor-mation?
- A. Application level logging
- B. Cluster level logging
- C. Node level logging
- D. Sidecar container logging
Answer: D
Explanation:
https://kubernetes.io/docs/concepts/cluster-administration/logging/
NEW QUESTION # 82
To run a startup task before a Pod's container starts up. What Kubernetes feature can help you ac-complish this?
- A. Init container
- B. DaemonSet
- C. Sidecar container
- D. Startup probe
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/workloads/pods/init-containers/
NEW QUESTION # 83
What is FinOps?
- A. The first step in any cloud transformation
- B. Using data to make cost savings decisions about cloud usage
- C. Specialized cloud features used by financial industries (example: banks, insurance, etc)
- D. Stage beyond DevOps or DevSecOps, where organization transition to serverless tech-nologies
Answer: B
Explanation:
https://www.servicenow.com/products/it-asset-management/what-is-finops.html
NEW QUESTION # 84
Which of the following factors does scheduling take into account when selecting a Node?
- A. The number of existing Pods on a Node
- B. How many replicas there are in a Deployment
- C. Services
- D. Resource requirements
Answer: D
Explanation:
Scheduling takes resource requirements into account in the form of resource requests.
NEW QUESTION # 85
Which project is not a dominant CNCF project in the storage landscape?
- A. Vitess
- B. Rook
- C. TiKV
- D. Envoy
Answer: D
Explanation:
https://github.com/cncf/landscape#trail-map
NEW QUESTION # 86
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