Latest Jun-2024 KCNA Dumps PDF And Certification Training
Check your preparation for Linux Foundation KCNA On-Demand Exam
To prepare for the KCNA exam, candidates can take advantage of various online courses and resources provided by the Linux Foundation. These resources cover the exam topics in-depth and also provide hands-on experience with tools and technologies used in the industry. Passing the KCNA exam requires a deep understanding of Kubernetes and Cloud Native technologies and their practical applications. Upon successful completion of the exam, candidates receive a digital certification that can be shared on their professional profiles, proving their expertise in the field of cloud computing.
NEW QUESTION # 20
What tool allows you to create self-managing, self-scaling, self-healing storage?
- A. Persistent Volume Claim
- B. Persistent Volume
- C. Volume
- D. Rook
- E. Storage Class
Answer: D
Explanation:
https://rook.io/
NEW QUESTION # 21
Various Container Orchestrator Systems (COS)?
- A. Apache Mesos
- B. None of the options
- C. Kubernetes
- D. Docker Swarm
Answer: A,C,D
NEW QUESTION # 22
What standard does kubelet use to communicate with the container runtime?
- A. Container Runtime Interface (CRI)
- B. CRI-O
- C. Service Mesh Interface (SMI)
- D. ContainerD
Answer: A
Explanation:
kubelet can communicate with any runtime that supports the CRI standard.
NEW QUESTION # 23
What is a commonly used package manager for kubernetes applications?
- A. helm
- B. kubernetes manifest
- C. npm
- D. apt
Answer: A
Explanation:
https://helm.sh/
NEW QUESTION # 24
What Linux feature is used to provide isolation for containers?
- A. Control groups
- B. NetworkPolicy
- C. Processes
- D. Services
Answer: A
Explanation:
Control groups provide isolation for container processes, keeping them separate from other process-es on the host.
NEW QUESTION # 25
What is the most common way to scale the application in the cloud environment?
- A. Parallel Scaling
- B. Vertical Scaling
- C. Horizontal Scaling
Answer: C
Explanation:
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
NEW QUESTION # 26
Which of the following is NOT a Kubernetes component?
- A. Docker
- B. Scheduler
- C. Cloud Controller manager
- D. Kube-proxy
Answer: A
Explanation:
Docker is not a Kubernetes component.
NEW QUESTION # 27
How to get the logs of the previously terminated nginx container from the web pod?
- A. kubectl logs -p -c nginx web
- B. kubectl logs -f -c nginx web
- C. kubectl logs nginx
- D. kubectl logs -p -c web nginx
Answer: A
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#logs
NEW QUESTION # 28
What is container orchestration?
- A. Adding code to a container image so it can run as a container
- B. Spinning a new containers to replace old ones
- C. Using automation to manage containers
- D. Packaging code and all of its dependencies into a single executable
Answer: C
Explanation:
https://www.redhat.com/en/topics/containers/what-is-container-orchestration
NEW QUESTION # 29
What is the functionality of the daemon set?
- A. To run a copy of the pod in all the nodes of the cluster
- B. To run a copy of the pod in a single node of the cluster
- C. To initialize the pod before starting the main pod
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/
NEW QUESTION # 30
What tool allows us to build useful visual representations of prometheus data?
- A. Grafana
- B. Distributed system tracing
- C. kubectl
- D. Kibana
- E. Rook
Answer: A
Explanation:
https://prometheus.io/
NEW QUESTION # 31
What is container runtime?
- A. Software that runs containers
- B. A container image format
- C. The amount of time it takes a container to execute
- D. Another term of kubelet or kubectl
Answer: A
Explanation:
https://www.aquasec.com/cloud-native-academy/container-security/container-runtime/
NEW QUESTION # 32
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. Deployment
- D. pod
- E. service
- F. Stateful set
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/deployment/
NEW QUESTION # 33
The three typical opentelemetry data is?
- A. Logs
- B. All of the options
- C. Traces
- D. Metrics
Answer: B
Explanation:
https://opentelemetry.io/docs/concepts/data-sources/
NEW QUESTION # 34
What is the command used to scale the application?
- A. kubectl scale
- B. kubectl run
- C. kubectl explain
Answer: A
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#scale
NEW QUESTION # 35
What do GitOps tools do in kubernetes?
- A. They allow us to store software code in Git
- 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 manage the source code of kubernetes itself
Answer: C
Explanation:
https://fluxcd.io/docs/components/
NEW QUESTION # 36
To run a startup task before a Pod's container starts up. What Kubernetes feature can help you ac-complish this?
- A. Sidecar container
- B. DaemonSet
- C. Init container
- D. Startup probe
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/workloads/pods/init-containers/
NEW QUESTION # 37
To specify a Kubernetes object which language is used?
- A. JSON
- B. Go
- C. Node
- D. YAML
- E. Python
Answer: D
Explanation:
https://kubernetes.io/docs/concepts/overview/working-with-objects/kubernetes-objects/
NEW QUESTION # 38
What is FinOps?
- A. Specialized cloud features used by financial industries (example: banks, insurance, etc)
- B. The first step in any cloud transformation
- C. Stage beyond DevOps or DevSecOps, where organization transition to serverless tech-nologies
- D. Using data to make cost savings decisions about cloud usage
Answer: D
Explanation:
https://www.servicenow.com/products/it-asset-management/what-is-finops.html
NEW QUESTION # 39
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 # 40
What are cluster-wide objects
- A. Volumes and Nodes
- B. Service and Pods
- C. ConfigMaps and Secrets
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/overview/working-with-objects/_print/
NEW QUESTION # 41
Which style of operations are preferred for kubernetes and cloud-native applications?
- A. Declarative
- B. None of the above
- C. Imperative
Answer: A
Explanation:
https://kubernetes.io/docs/tasks/manage-kubernetes-objects/declarative-config/#trade-offs
NEW QUESTION # 42
What command can you use to get documentation about a resource type from the command line?
- A. kubectl api-resources
- B. kubeadm get-resource
- C. kubectl explain
- D. kubectl get
Answer: C
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#explain
NEW QUESTION # 43
What is scheduling in Kubernetes
- A. Assigning pods to nodes
- B. Determining when to execute a cron-job
- C. Setting a time for automated tasks
- D. Joining a new nodes to the clusters
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/scheduling-eviction/
NEW QUESTION # 44
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