2023 New KCNA Exam Questions Real Linux Foundation Dumps
Course 2023 KCNA Test Prep Training Practice Exam Download
NEW QUESTION # 65
Which prometheus metric type represents a single number value that can increase and decrease over time?
- A. Counter
- B. Gauge
- C. Histogram
- D. Summary
Answer: B
Explanation:
https://prometheus.io/docs/concepts/metric_types/#gauge
NEW QUESTION # 66
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. Horizontal Scaling
- B. Recursive Scaling
- C. Cluster Autoscaling
- D. Vertical Scaling
Answer: D
Explanation:
NEW QUESTION # 67
Which organizational persona creates Service Level Agreements 'SLA', Service Level Objectives 'SLO', and Service Level Indicator 'SLI'?
- A. DevOps
- B. Site Reliability Engineer (SRE)
- C. DevSecOps
- D. Security and Compliance Engineer
- E. Developer
Answer: B
Explanation:
SREs create SLAs, SLOs, and SLIs to define and implement standards for application and infra-structure reliability.
NEW QUESTION # 68
Which command is used to expose Kubernetes service
- A. kubectl expose
- B. kubectl run
- C. kubectl create
Answer: A
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#expose
NEW QUESTION # 69
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 # 70
Which kubernetes object do deployments use behind the scenes when they need to scale pods?
- A. ReplicaSets
- B. kubectl
- C. Horizontal pod autoscaler
- D. Replication controller
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/replicaset/
NEW QUESTION # 71
Which CNCF project is the dominant project with respect to container registries
- A. Harbor
- B. Kubernetes
- C. Rook
- D. Envoy
Answer: A
Explanation:
https://goharbor.io/
NEW QUESTION # 72
What is horizontal scaling?
- A. Moving workloads from one server to another
- B. Adding additional replicas of apps and servers
- C. Creating a Deployment
- D. Adding resources to existing apps and servers
Answer: B
Explanation:
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
NEW QUESTION # 73
What is Open Container Initiative 'OCI'?
- A. A protocol for communicating with the kubernetes api
- B. An open standard for managing service mesh in kubernetes
- C. An organization that creates open standards for containers
- D. The governing body of the Cloud Native Computing Foundation 'CNCF'
Answer: C
Explanation:
https://opencontainers.org/
NEW QUESTION # 74
Flux is built using which toolkit?
- A. GitOps
- B. DevOps
- C. CI/CD
- D. DevSecOps
Answer: A
Explanation:
https://fluxcd.io/
NEW QUESTION # 75
What is the command to list all the available objects in your Kubernetes cluster?
- A. kubectl get all
- B. kubectl get pods
- C. kubectl get api-resources
- D. kubectl api-resources
Answer: D
Explanation:
https://kubernetes.io/docs/reference/kubectl/cheatsheet/
NEW QUESTION # 76
What CNCF project is the leading DNS project in the CNCF landscape?
- A. gRPC
- B. Kubernetes
- C. CoreDNS
- D. KubeDNS
Answer: C
Explanation:
https://github.com/cncf/landscape#trail-map
NEW QUESTION # 77
Continuous delivery is ______.
- A. Coding, Building and Testing the code
- B. Manually deploying the code
- C. Automatically deploying code to [container or server] environment
Answer: C
NEW QUESTION # 78
What do control groups provide when it come to containers
- A. Image Storage
- B. Logging
- C. Permission
- D. Isolation
Answer: D
Explanation:
NEW QUESTION # 79
Which of the following is used to request storage in Kubernetes?
- A. PersistentVolumeClaim 'PVC'
- B. StorageClasses
- C. Container Storage Interface 'CSI'
- D. PersistentVolume 'PV'
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/storage/persistent-volumes/
NEW QUESTION # 80
What tool allows us to build useful visual representations of prometheus data?
- A. Kibana
- B. kubectl
- C. Distributed system tracing
- D. Grafana
- E. Rook
Answer: D
Explanation:
https://prometheus.io/
NEW QUESTION # 81
What command can you use to get documentation about a resource type from the command line?
- A. kubectl get
- B. kubeadm get-resource
- C. kubectl explain
- D. kubectl api-resources
Answer: C
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#explain
NEW QUESTION # 82
Which of the following components is part of the Kubernetes control panel
- A. kubelet
- B. kubectl
- C. Cloud control manager
- D. Service Mesh
- E. kube-proxy
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/overview/components/
NEW QUESTION # 83
What is the primary interface for Kubernetes cluster?
- A. Control Plane
- B. JSON
- C. Kubernetes Api
- D. YAML
- E. Kubelet
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/overview/components/#kube-apiserver
NEW QUESTION # 84
Which authentication method allows JWTs to authenticate?
- A. Anonymous
- B. OPA gatekeeper
- C. Client 'TLS' certificates
- D. OpenId connect
Answer: D
NEW QUESTION # 85
The 4C's of Cloud Native security
- A. Code, Containers, Compute, and Cloud
- B. Cloud, Clusters, Containers, and Code
- C. Cluster, Cloud, Compute, and Containers
- D. Chroot, Compute, Cluster and Container
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/security/overview/
NEW QUESTION # 86
What is FinOps?
- A. Specialized cloud features used by financial industries (example: banks, insurance, etc)
- B. Using data to make cost savings decisions about cloud usage
- C. Stage beyond DevOps or DevSecOps, where organization transition to serverless tech-nologies
- D. The first step in any cloud transformation
Answer: B
Explanation:
https://www.servicenow.com/products/it-asset-management/what-is-finops.html
NEW QUESTION # 87
Stateful set requires which service for the network identity of pods?
- A. Headless Service
- B. Load Balancer Service
- C. Ingress
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/
NEW QUESTION # 88
Which of the following command is used to get detailed information about the pod?
- A. kubectl info
- B. kubectl get
- C. kubectl describe
- D. kubectl explain
Answer: C
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#describe
NEW QUESTION # 89
Which component of the kubernetes control-plane (master) are all requests to deploy and manage objects posted to?
- A. ETCD
- B. Controller Manager
- C. Kubelet
- D. API Server
- E. Kube-proxy
Answer: D
Explanation:
https://kubernetes.io/docs/reference/command-line-tools-reference/kube-apiserver/
NEW QUESTION # 90
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The Linux Foundation KCNA (Kubernetes and Cloud Native Associate) Exam is a certification program designed to test the proficiency of IT professionals in deploying and managing cloud-native applications using Kubernetes. Kubernetes is an open-source container orchestration platform that has become increasingly popular among organizations worldwide due to its ability to automate the deployment, scaling, and management of containerized applications. As a result, the demand for professionals with Kubernetes skills has been growing rapidly, making the KCNA certification an important credential for those seeking career advancement in the cloud-native space.
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