Get 100% Success with Latest Kubernetes Cloud Native Associate KCNA Exam Dumps Sep 13, 2022
The Best KCNA Exam Study Material and Preparation Test Question Dumps
Linux Foundation KCNA Exam Syllabus Topics:
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NEW QUESTION 73
What is autoscaling?
- A. Automatically adding or removing compute resources as needed
- B. Automatically measuring resource usage
- C. Automatically assigning workloads to nodes in a cluster
- D. Automatically repairing broken application instances
Answer: A
Explanation:
https://kubernetes.io/blog/2016/07/autoscaling-in-kubernetes/
Autoscaling means automatically scaling up or down in response to real-time usage data.
NEW QUESTION 74
What do you call the pattern where you add a second container to the pod to collect logs infor-mation?
- A. Node level logging
- B. Application level logging
- C. Cluster level logging
- D. Sidecar container logging
Answer: D
Explanation:
https://kubernetes.io/docs/concepts/cluster-administration/logging/
NEW QUESTION 75
Which of the following container runtime is planned to be deprecated in Kubernetes 1.20 and high-er?
- A. None of the options
- B. cri-o
- C. containerd
- D. podman
- E. docker
Answer: E
Explanation:
https://kubernetes.io/blog/2020/12/02/dont-panic-kubernetes-and-docker/
NEW QUESTION 76
A ________ is a ready-to-run software package, containing everything needed to run an application.
- A. Docker
- B. Container Repository
- C. Container Runtime
- D. Container Image
Answer: D
Explanation:
https://kubernetes.io/docs/concepts/containers/#container-images
NEW QUESTION 77
Which of the following components is part of the Kubernetes control panel
- A. kubectl
- B. kubelet
- C. kube-proxy
- D. Cloud control manager
- E. Service Mesh
Answer: D
Explanation:
https://kubernetes.io/docs/concepts/overview/components/
NEW QUESTION 78
Which role is responsible of creating service level indicator 'SLI', service level objective 'SLO', & Service Level Agreements 'SLA'
- A. Developer
- B. Security and compliance engineer
- C. Site reliability engineer 'SRE'
- D. DevOps
- E. GitOps
Answer: C
Explanation:
https://www.atlassian.com/incident-management/kpis/sla-vs-slo-vs-sli
NEW QUESTION 79
What is OPA?
- A. Online Policy Audit
- B. Open Policy Agent
- C. Open Permission Agent
- D. Offline Policy Accessor
Answer: B
Explanation:
https://www.cncf.io/projects/open-policy-agent-opa/
NEW QUESTION 80
What is the default service type in Kubernetes?
- A. CusterIP
- B. serviceType
- C. loadBalancer
- D. NodePort
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services-service-types
NEW QUESTION 81
What is container orchestration?
- A. Using automation to manage containers
- B. Packaging code and all of its dependencies into a single executable
- C. Adding code to a container image so it can run as a container
- D. Spinning a new containers to replace old ones
Answer: A
Explanation:
https://www.redhat.com/en/topics/containers/what-is-container-orchestration
NEW QUESTION 82
Which of the following is NOT a Kubernetes component?
- A. Cloud Controller manager
- B. Docker
- C. Kube-proxy
- D. Scheduler
Answer: B
Explanation:
Docker is not a Kubernetes component.
NEW QUESTION 83
Which of the following are not the metrics for Site Reliability Engineering?
- A. Service Level Objectives 'SLO'
- B. Service Level Definition 'SLD'
- C. Service Level Agreements 'SLA'
- D. Service Level Indicators 'SLI'
Answer: B
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 84
Which access control component of Kubernetes is responsible for authorization and decides what requestor is allowed to do?
- A. Deployment
- B. Role-based access control 'RBAC'
- C. Service Account
Answer: B
Explanation:
https://kubernetes.io/docs/reference/access-authn-authz/authorization/
NEW QUESTION 85
Which of the following command is used to get detailed information about the pod?
- A. kubectl get
- B. kubectl explain
- C. kubectl info
- D. kubectl describe
Answer: D
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#describe
NEW QUESTION 86
Which of the following is used to request storage in Kubernetes?
- A. PersistentVolume 'PV'
- B. StorageClasses
- C. Container Storage Interface 'CSI'
- D. PersistentVolumeClaim 'PVC'
Answer: D
Explanation:
https://kubernetes.io/docs/concepts/storage/persistent-volumes/
NEW QUESTION 87
What do control groups provide when it come to containers
- A. Permission
- B. Logging
- C. Image Storage
- D. Isolation
Answer: D
Explanation:
NEW QUESTION 88
In distributed system tracing, is the term used to refer to a request as it passes through a single com-ponent of the distributed system?
- A. Log
- B. Trace
- C. Bucket
- D. Span
Answer: D
Explanation:
https://www.splunk.com/en_us/data-insider/what-is-distributed-tracing.html
NEW QUESTION 89
Which command-line tool is used to interact with the Kubernetes cluster?
- A. kube-scheduler
- B. kube-api
- C. kubectl
Answer: C
Explanation:
https://kubernetes.io/docs/reference/kubectl/
NEW QUESTION 90
What is the use of labels in Kubernetes?
- A. All of the options
- B. It is used to assign key-value pair to an object
- C. It is used to assign a name to an object.
- D. It is used to assign annotation to an object
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
NEW QUESTION 91
Which CNCF project is the dominant project with respect to container registries
- A. Kubernetes
- B. Harbor
- C. Envoy
- D. Rook
Answer: B
Explanation:
https://goharbor.io/
NEW QUESTION 92
Which prometheus metric type represents a single number value that can increase and decrease over time?
- A. Counter
- B. Summary
- C. Histogram
- D. Gauge
Answer: D
Explanation:
https://prometheus.io/docs/concepts/metric_types/#gauge
NEW QUESTION 93
Which kubernetes object do deployments use behind the scenes when they need to scale pods?
- A. kubectl
- B. Horizontal pod autoscaler
- C. ReplicaSets
- D. Replication controller
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/replicaset/
NEW QUESTION 94
What is the most common way to scale the application in the cloud environment?
- A. Parallel Scaling
- B. Horizontal Scaling
- C. Vertical Scaling
Answer: B
Explanation:
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
NEW QUESTION 95
Which is NOT a use case for the Kubernetes dashboard?
- A. Managing the entire Kubernetes cluster
- B. Troubleshooting any issues with applications
- C. Installing new Kubernetes cluster
- D. Managing running applications
Answer: C
NEW QUESTION 96
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 hello -c green - B. alias k='kubectl'
k get logs -p hello -c green - C. alias k='kubectl'
k logs -p hello -c green - D. alias k='kubectl'
k logs -p hello green
Answer: A
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#logs
NEW QUESTION 97
What is the smallest possible unit in Kubernetes to run a container?
- A. service
- B. pod
- C. container
- D. docker
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/workloads/pods/
NEW QUESTION 98
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