2024 Correct and Up-to-date Linux Foundation KCNA BrainDumps [Q74-Q90]

2024 Correct and Up-to-date Linux Foundation KCNA BrainDumps

Current KCNA dumps Preparation through Our Practice Test

Linux Foundation Kubernetes and Cloud Native Associate (KCNA) Certification Exam is a highly regarded certification that demonstrates an individual's understanding of Kubernetes and cloud-native technologies. The KCNA certification exam is designed to test a candidate's knowledge of Kubernetes architecture, deployment, and maintenance, as well as the fundamental concepts of cloud-native computing. Kubernetes and Cloud Native Associate certification is valuable for individuals who want to validate their skills in Kubernetes and cloud-native technologies, such as cloud engineers, DevOps engineers, software developers, and system administrators.

Linux Foundation KCNA certification exam is aimed at professionals who are looking to enhance their skills in cloud computing and Kubernetes. KCNA exam covers a wide range of topics, including Kubernetes architecture, deployment, maintenance, and troubleshooting. It also covers cloud-native technologies such as containerization, microservices, and service mesh.

NEW QUESTION # 74
Which style of operations are preferred for kubernetes and cloud-native applications?

A. Imperative
B. Declarative
C. None of the above

Answer: B

Explanation:
https://kubernetes.io/docs/tasks/manage-kubernetes-objects/declarative-config/#trade-offs

NEW QUESTION # 75
What are the two major components of service mesh?

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

Answer: A

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

NEW QUESTION # 76
Which component of the kubernetes control-plane (master) are all requests to deploy and manage objects posted to?

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

Answer: B

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

NEW QUESTION # 77
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 # 78
Which authentication method allows JWTs to authenticate?

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

Answer: B

NEW QUESTION # 79
What CNCF project is the leading DNS project in the CNCF landscape?

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

Answer: B

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

NEW QUESTION # 80
What is autoscaling?

A. Automatically repairing broken application instances
B. Automatically measuring resource usage
C. Automatically adding or removing compute resources as needed
D. Automatically assigning workloads to nodes in a cluster

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 # 81
Which CNCF project is the dominant project with respect to container registries

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

Answer: B

Explanation:
https://goharbor.io/

NEW QUESTION # 82
Which of the following are characteristics of Statefulsets?

A. Ordered, graceful deployment and scaling
B. Creates replica sets
C. Uses headless services

Answer: A

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

NEW QUESTION # 83
Which project is not a dominant CNCF project in the storage landscape?

A. Vitess
B. Envoy
C. Rook
D. TiKV

Answer: B

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

NEW QUESTION # 84
Which of the following is an example of vertical scaling?

A. Adding more replica pods to a deployment
B. Using cluster autoscaler
C. Adding more nodes to kubernetes cluster
D. Adding more resources (memory and/or cpu) to a kubernetes node

Answer: D

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

NEW QUESTION # 85
What cloud-native construct does a kubernetes pod wrap?

A. side car process
B. Virtual Machine (VM)
C. Container
D. Docker image

Answer: C

Explanation:
Kubernetes is an orchestrator of containerized apps. However, containers must be wrapped in pods before they can be deployed on kubernetes.

NEW QUESTION # 86
The Kubernetes rolling update is used for __.

A. Updating a deployment
B. Updating a service
C. Scaling an application

Answer: A

Explanation:
https://kubernetes.io/docs/tutorials/kubernetes-basics/update/update-intro/

NEW QUESTION # 87
What command use to get documentation about kubernetes resource type

A. alias k='kubectl'
k get resource
B. alias k='kubectl'
k explain
C. alias k='kubectl'
k api-resources
D. alias k='kubectl'
k api-list

Answer: B

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

NEW QUESTION # 88
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?