Free Oct-2022 KCNA Certification Sample Questions certification Exam [Q21-Q38]

Free Oct-2022 KCNA Certification Sample Questions certification Exam

Certification Topics of KCNA Exam PDF Recently Updated Questions

Linux Foundation KCNA Exam Syllabus Topics:

Topic	Details
Topic 1	Application Delivery Fundamentals GitOps, CI CD Cloud Native Application Delivery
Topic 2	Kubernetes Architecture, Kubernetes Fundamentals, Kubernetes Resources, Kubernetes API
Topic 3	Telemetry & Observability Cloud Native Observability
Topic 4	Community and Governance, Roles and Personas Cloud Native Architecture1
Topic 5	Container Orchestration Fundamentals Container Orchestration, Networking, Service Mesh, Security

 

NEW QUESTION 21
What is the most common way to scale the application in the cloud environment?

• A. Horizontal Scaling
• B. Parallel Scaling
• C. Vertical Scaling

Answer: A

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

 

NEW QUESTION 22
kubeadm is an administrative dashboard for kubernetes

• A. True
• B. False

Answer: B

Explanation:
https://kubernetes.io/docs/reference/setup-tools/kubeadm/

 

NEW QUESTION 23
What do you call the pattern where you add a second container to the pod to collect logs infor-mation?

• A. Cluster level logging
• B. Node level logging
• C. Application level logging
• D. Sidecar container logging

Answer: D

Explanation:
https://kubernetes.io/docs/concepts/cluster-administration/logging/

 

NEW QUESTION 24
Which organizational persona creates Service Level Agreements 'SLA', Service Level Objectives 'SLO', and Service Level Indicator 'SLI'?

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

Answer: D

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

 

NEW QUESTION 25
Which project is not a dominant CNCF project in the storage landscape?

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

Answer: A

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

 

NEW QUESTION 26
Which prometheus metric type represents a single number value that can increase and decrease over time?

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

Answer: D

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

 

NEW QUESTION 27
How does service logical group set of pods?

• A. Using IP address
• B. Using hostname
• C. Using label and selectors

Answer: C

Explanation:
https://kubernetes.io/docs/concepts/services-networking/service/

 

NEW QUESTION 28
What feature is used for selecting the container runtime configuration?

• A. RuntimeClass
• B. RuntimeConfig
• C. RuntimeContainer
• D. Runtime

Answer: A

Explanation:
https://kubernetes.io/docs/concepts/containers/runtime-class/

 

NEW QUESTION 29
Which of the following is an example of vertical scaling?

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

Answer: C

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

 

NEW QUESTION 30
Which kubernetes object do deployments use behind the scenes when they need to scale pods?

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

Answer: D

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

 

NEW QUESTION 31
What are the two major components of service mesh?

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

Answer: D

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

 

NEW QUESTION 32
What command use to get documentation about kubernetes resource type

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

Answer: C

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

 

NEW QUESTION 33
Various Container Orchestrator Systems (COS)?

• A. Apache Mesos
• B. Docker Swarm
• C. Kubernetes
• D. None of the options

Answer: A,B,C

 

NEW QUESTION 34
Which CNCF project is the dominant project with respect to container registries

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

Answer: C

Explanation:
https://goharbor.io/

 

NEW QUESTION 35
What do GitOps tools do in kubernetes?

• A. They allows us to store container images in repositories
• B. They allow us to make changes to a kubernetes cluster using a Git repository
• C. They allow us to store software code in Git
• D. They manage the source code of kubernetes itself

Answer: B

Explanation:
https://fluxcd.io/docs/components/

 

NEW QUESTION 36
What kubectl command is used to edit a resource on the server?

• A. kubectl update resource
• B. kubectl resource modify
• C. kubectl resource edit
• D. kubectl edit

Answer: D

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

 

NEW QUESTION 37
Which statement is true about Pod Networking?

• A. All pod requires NAT to get a unique IP address.
• B. All containers in a pod get a unique IP address
• C. All containers in a pod share a single IP address
• D. All pod requires an external DNS server to get the hostname

Answer: C

Explanation:
https://kubernetes.io/docs/concepts/workloads/pods/#pod-networking

 

NEW QUESTION 38
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KCNA Exam Prep Guide: Prep guide for the KCNA Exam: https://drive.google.com/open?id=1ghFhXCinmHNE2tg2oSF3rb_FGR4Iq0NZ