2024 Latest Linux Foundation KCNA Real Exam Dumps PDF
KCNA Exam Dumps, KCNA Practice Test Questions
NEW QUESTION # 30
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. Recursive Scaling
- B. Cluster Autoscaling
- C. Vertical Scaling
- D. Horizontal Scaling
Answer: C
Explanation:
NEW QUESTION # 31
What is the primary interface for Kubernetes cluster?
- A. YAML
- B. Control Plane
- C. JSON
- D. Kubelet
- E. Kubernetes Api
Answer: E
Explanation:
https://kubernetes.io/docs/concepts/overview/components/#kube-apiserver
NEW QUESTION # 32
What is the command used to login to the pod?
- A. kubectl get
- B. kubectl login
- C. kubectl exec
- D. kubectl list
Answer: C
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#exec
NEW QUESTION # 33
What are cluster-wide objects
- A. Volumes and Nodes
- B. ConfigMaps and Secrets
- C. Service and Pods
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/overview/working-with-objects/_print/
NEW QUESTION # 34
The Kubernetes rolling update is used for __.
- A. Scaling an application
- B. Updating a deployment
- C. Updating a service
Answer: B
Explanation:
https://kubernetes.io/docs/tutorials/kubernetes-basics/update/update-intro/
NEW QUESTION # 35
What is a commonly used package manager for kubernetes applications?
- A. npm
- B. helm
- C. kubernetes manifest
- D. apt
Answer: B
Explanation:
https://helm.sh/
NEW QUESTION # 36
kubeadm is an administrative dashboard for kubernetes
- A. True
- B. False
Answer: B
Explanation:
https://kubernetes.io/docs/reference/setup-tools/kubeadm/
NEW QUESTION # 37
Which of the following is not the Kubernetes AutoScaling Strategy?
- A. Vertical Pod Autoscaler
- B. Load Balancing AutoScaler
- C. Horizontal Pod Autoscaler
- D. Cluster Autoscaler
Answer: B
Explanation:
https://learnk8s.io/kubernetes-autoscaling-strategies
NEW QUESTION # 38
Which kubernetes resource type allows defining which pods are isolated when it comes to network-ing?
- A. Service
- B. Role Binding
- C. Domain Name System 'DNS'
- D. Network policy
Answer: D
Explanation:
https://kubernetes.io/docs/concepts/services-networking/network-policies/#the-two-sorts-of-pod-isolation
NEW QUESTION # 39
Fluentd is the leading project in the CNCF space for logging?
- A. TRUE
- B. FALSE
Answer: A
Explanation:
https://github.com/cncf/landscape#trail-map
NEW QUESTION # 40
Which authentication method allows JWTs to authenticate?
- A. Client 'TLS' certificates
- B. Anonymous
- C. OPA gatekeeper
- D. OpenId connect
Answer: D
NEW QUESTION # 41
Which of the following are not the metrics for Site Reliability Engineering?
- A. Service Level Indicators 'SLI'
- B. Service Level Objectives 'SLO'
- C. Service Level Agreements 'SLA'
- D. Service Level Definition 'SLD'
Answer: D
Explanation:
SLI defined quantitative measure of some aspect of the level of service that is provided.
SLOs are key to making data-driven decisions about reliability, they're at the core of SRE practic-es.
SLAs an explicit or implicit contract with your users that includes consequences of meeting (or missing) the SLOs they contain.
NEW QUESTION # 42
How to create deployment name app-dep, image=nginx, and replicas 5 using imperative command?
- A. kubectl create deployment app-dep --image=nginx --replicas=5
- B. kubectl create app-dep deployment --replicas=5 --image=nginx
- C. kubectl create app-dep deployment --image=nginx --replicas=5
Answer: A
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#-em-deployment-em-
NEW QUESTION # 43
What do GitOps tools do in kubernetes?
- A. They allow us to make changes to a kubernetes cluster using a Git repository
- B. They allow us to store software code in Git
- C. They manage the source code of kubernetes itself
- D. They allows us to store container images in repositories
Answer: A
Explanation:
https://fluxcd.io/docs/components/
NEW QUESTION # 44
Have a pod 'hello' and a container in that pod 'green'. Which of the following commands would get the logs for that container?
- A. alias k='kubectl'
k logs -p hello green - B. alias k='kubectl'
k logs -p hello -c green - C. alias k='kubectl'
k logs hello -c green - D. alias k='kubectl'
k get logs -p hello -c green
Answer: C
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#logs
NEW QUESTION # 45
How would you return all the pod data in the json format using kubectl command?
- A. kubectl get pods --all-namspaces
- B. kubectl get pods -o json
- C. kubectl get pods -o wide
- D. kubectl get pods -o jsonpath
Answer: B
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#get
NEW QUESTION # 46
Open Container Initiative set container standards for
- A. Code, Build, Distribute containers
- B. Code, Build, Distribute, Deploy containers
- C. Run, Build, Distribute containers
- D. Run, build, and image
Answer: C
NEW QUESTION # 47
What do you call the pattern where you add a second container to the pod to collect logs infor-mation?
- A. Sidecar container logging
- B. Cluster level logging
- C. Application level logging
- D. Node level logging
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/cluster-administration/logging/
NEW QUESTION # 48
Which of the following provides cloud-native storage orchestration?
- A. Storage IO
- B. Cloud Storage
- C. Cloud Provider Specific storage (EBS, EFS, Cloud Storage)
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/storage/persistent-volumes/#types-of-persistent-volumes
NEW QUESTION # 49
Various Container Orchestrator Systems (COS)?
- A. Apache Mesos
- B. Kubernetes
- C. None of the options
- D. Docker Swarm
Answer: A,B,D
NEW QUESTION # 50
Which project in this list is a leading project in the observability space?
- A. Argo
- B. Vitess
- C. Kubernetes
- D. Jaeger
Answer: D
Explanation:
https://github.com/cncf/landscape#trail-map
NEW QUESTION # 51
Which control plane component is responsible for scheduling pods?
- A. kube scheduler
- B. kubelet
- C. kube-proxy
- D. kube api-server
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/overview/components/
NEW QUESTION # 52
The three typical opentelemetry data is?
- A. Logs
- B. Traces
- C. All of the options
- D. Metrics
Answer: C
Explanation:
https://opentelemetry.io/docs/concepts/data-sources/
NEW QUESTION # 53
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