KCNA Free Exam Questions and Answers PDF Updated on Nov-2023
Latest KCNA Exam Dumps Recently Updated 128 Questions
NEW QUESTION # 41
Which of the following provides cloud-native storage orchestration?
- A. Cloud Storage
- B. Cloud Provider Specific storage (EBS, EFS, Cloud Storage)
- C. Storage IO
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/storage/persistent-volumes/#types-of-persistent-volumes
NEW QUESTION # 42
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 # 43
Stateful set requires which service for the network identity of pods?
- A. Headless Service
- B. Ingress
- C. Load Balancer Service
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/
NEW QUESTION # 44
What is OPA?
- A. Open Permission Agent
- B. Offline Policy Accessor
- C. Open Policy Agent
- D. Online Policy Audit
Answer: C
Explanation:
https://www.cncf.io/projects/open-policy-agent-opa/
NEW QUESTION # 45
What does the 'kops' acronym means?
- A. Kubernetes Operation Policy Specification
- B. Kubernetes Open Platform Specification
- C. Kubernetes Operations
- D. Kubernetes Operators
Answer: C
Explanation:
https://github.com/kubernetes/kops
NEW QUESTION # 46
A ________ is an application running on kubernetes.
- A. container
- B. workload
- C. node
- D. pod
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/workloads/
NEW QUESTION # 47
Which access control component of Kubernetes is responsible for authorization and decides what requestor is allowed to do?
- A. Role-based access control 'RBAC'
- B. Deployment
- C. Service Account
Answer: A
Explanation:
https://kubernetes.io/docs/reference/access-authn-authz/authorization/
NEW QUESTION # 48
Which of the following best describes the way K8S Role-based access control (RBAC) works?
- A. K8S does not do RBAC or Cluster role
- B. States which users can perform which actions against the resources.
- C. RBAC lists which operations are denied to users
Answer: B
Explanation:
https://kubernetes.io/docs/reference/access-authn-authz/rbac/
NEW QUESTION # 49
What is the name for the tool that manages communication between pods, injects a sidecar proxy container into each pod and directs network traffic through the proxy container?
- A. Service
- B. Network policy
- C. namespace
- D. Deployment
- E. Service mesh
Answer: E
NEW QUESTION # 50
How should folks new to the cloud native ecosystem, go about learning the different aspects of the ecosystem?
- A. by signing up the CNCF slack
- B. by looking at the cloud native trail-map
- C. by looking at the cloud native landscape
- D. by reading the Kubernetes documentation
Answer: B
Explanation:
https://github.com/cncf/landscape#trail-map
NEW QUESTION # 51
What command can you use to get documentation about a resource type from the command line?
- A. kubectl api-resources
- B. kubectl get
- C. kubectl explain
- D. kubeadm get-resource
Answer: C
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#explain
NEW QUESTION # 52
What is horizontal scaling?
- A. Moving workloads from one server to another
- B. Adding additional replicas of apps and servers
- C. Adding resources to existing apps and servers
- D. Creating a Deployment
Answer: B
Explanation:
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
NEW QUESTION # 53
Which part of a Kubernetes cluster is responsible for running container workloads?
- A. kube-proxy
- B. Worker Node
- C. etcd
- D. Control plane
Answer: B
Explanation:
Worker Nodes are responsible for executing containerized workloads.
NEW QUESTION # 54
What are default kubernetes namespaces?
- A. default, kube-public, kube-system, kube-node-lease
- B. default, kube-public, kube-systems, kube-node-lease
- C. default, kube-public, kube-system, kube-node-leases
- D. kube-default, kube-public, kube-system, kube-node-lease
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/overview/working-with-objects/namespaces/
NEW QUESTION # 55
What does CNCF stand for?
- A. Cloud Native Computing Foundation
- B. Cloud Native Container Foundation
- C. Cloud Native Cloud Foundation
Answer: A
Explanation:
https://www.cncf.io/about/who-we-are/
NEW QUESTION # 56
What is a benefits of Kubernetes federation?
- A. Creates highly available clusters in different regions
- B. Low latency
- C. Avoids scalability limits on pods and nodes
Answer: A,B,C
NEW QUESTION # 57
'kubectl delete -n my-ns po,svc --all' will delete pods and services including uninitialized ones in the namespace 'my-ns'
- A. FALSE
- B. TRUE
Answer: B
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#delete
NEW QUESTION # 58
Which prometheus metric type represents a single number value that can increase and decrease over time?
- A. Summary
- B. Histogram
- C. Gauge
- D. Counter
Answer: C
Explanation:
https://prometheus.io/docs/concepts/metric_types/#gauge
NEW QUESTION # 59
Which CNCF project is the dominant project with respect to container registries
- A. Envoy
- B. Rook
- C. Harbor
- D. Kubernetes
Answer: C
Explanation:
https://goharbor.io/
NEW QUESTION # 60
What cloud-native construct does a kubernetes pod wrap?
- A. Docker image
- B. side car process
- C. Virtual Machine (VM)
- D. Container
Answer: D
Explanation:
Kubernetes is an orchestrator of containerized apps. However, containers must be wrapped in pods before they can be deployed on kubernetes.
NEW QUESTION # 61
The three typical opentelemetry data is?
- A. Traces
- B. Logs
- C. All of the options
- D. Metrics
Answer: C
Explanation:
https://opentelemetry.io/docs/concepts/data-sources/
NEW QUESTION # 62
What is the smallest possible unit in Kubernetes to run a container?
- A. container
- B. pod
- C. docker
- D. service
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/workloads/pods/
NEW QUESTION # 63
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Linux Foundation KCNA Exam is intended for individuals who are interested in working with Kubernetes and cloud-native technologies. KCNA exam is designed to validate the knowledge and skills required to work with these technologies, including the ability to implement, manage, and troubleshoot Kubernetes clusters. Kubernetes and Cloud Native Associate certification program is also suitable for IT professionals who are interested in learning more about cloud-native technologies and want to enhance their knowledge.
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