2024 New Training Course KCNA Tutorial Preparation Guide
Dumps of KCNA Cover all the requirements of the Real Exam
NEW QUESTION # 13
What are container runtimes with Kubernetes?
- A. Dockershim
- B. lxd
- C. containerd
- D. CRI-O
Answer: C,D
Explanation:
https://kubernetes.io/docs/setup/production-environment/container-runtimes/
NEW QUESTION # 14
Which statement is true about Pod Networking?
- A. All pod requires an external DNS server to get the hostname
- 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 NAT to get a unique IP address.
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/workloads/pods/#pod-networking
NEW QUESTION # 15
What cloud-native construct does a kubernetes pod wrap?
- A. Container
- B. side car process
- C. Docker image
- D. Virtual Machine (VM)
Answer: A
Explanation:
Kubernetes is an orchestrator of containerized apps. However, containers must be wrapped in pods before they can be deployed on kubernetes.
NEW QUESTION # 16
How to create deployment name app-dep, image=nginx, and replicas 5 using imperative command?
- A. kubectl create app-dep deployment --image=nginx --replicas=5
- B. kubectl create deployment app-dep --image=nginx --replicas=5
- C. kubectl create app-dep deployment --replicas=5 --image=nginx
Answer: B
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#-em-deployment-em-
NEW QUESTION # 17
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 # 18
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. kubelet
- B. API Server
- C. Scheduler
- D. Controller manager
Answer: C
Explanation:
https://kubernetes.io/docs/reference/command-line-tools-reference/kube-scheduler/
NEW QUESTION # 19
The 4C's of Cloud Native security
- A. Cloud, Clusters, Containers, and Code
- B. Chroot, Compute, Cluster and Container
- C. Cluster, Cloud, Compute, and Containers
- D. Code, Containers, Compute, and Cloud
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/security/overview/
NEW QUESTION # 20
Fluentd is the only way to export logs from Kubernetes cluster or applications running in cluster
- A. True
- B. False
Answer: B
Explanation:
https://github.com/cncf/landscape#trail-map
NEW QUESTION # 21
A ________ is an application running on kubernetes.
- A. workload
- B. node
- C. container
- D. pod
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/workloads/
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
How can persistent volume be provisioned?
- A. Dynamically
- B. Automatically
- C. Bootstrap
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/storage/persistent-volumes/
NEW QUESTION # 24
What is FinOps?
- A. Stage beyond DevOps or DevSecOps, where organization transition to serverless tech-nologies
- B. The first step in any cloud transformation
- C. Using data to make cost savings decisions about cloud usage
- D. Specialized cloud features used by financial industries (example: banks, insurance, etc)
Answer: C
Explanation:
https://www.servicenow.com/products/it-asset-management/what-is-finops.html
NEW QUESTION # 25
How does service logical group set of pods?
- A. Using IP address
- B. Using label and selectors
- C. Using hostname
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/services-networking/service/
NEW QUESTION # 26
Which Kubernetes resource creates Kubernetes Jobs?
- A. JobDeployment
- B. CronJob
- C. Task
- D. JobFactory
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/cron-jobs/
NEW QUESTION # 27
Which of the following best describes the way kubernetes Role-based access control (RBAC) works?
- A. Kubernetes does not do RBAC
- B. Kubernetes RBAC lists which operations on which resources are denied to users
- C. Kubernetes RBAC is responsible for authenticating subjects such as users and groups
- D. Kubernetes RBAC states which users can perform which actions against which re-source
Answer: D
Explanation:
https://kubernetes.io/docs/reference/access-authn-authz/rbac/
NEW QUESTION # 28
What is the command used to login to the pod?
- A. kubectl get
- B. kubectl list
- C. kubectl exec
- D. kubectl login
Answer: C
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#exec
NEW QUESTION # 29
What is horizontal scaling?
- A. Creating a Deployment
- B. Adding resources to existing apps and servers
- C. Moving workloads from one server to another
- D. Adding additional replicas of apps and servers
Answer: D
Explanation:
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
NEW QUESTION # 30
Continuous delivery is ______.
- A. Coding, Building and Testing the code
- B. Automatically deploying code to [container or server] environment
- C. Manually deploying the code
Answer: B
NEW QUESTION # 31
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