Linux Foundation KCNA Certification All-in-One Exam Guide Nov-2023
Get Real KCNA Exam Dumps [Nov-2023] Practice Tests
To earn the KCNA certification, candidates must pass a rigorous exam that tests their understanding of Kubernetes architecture, deployment, and maintenance. KCNA exam also covers related technologies such as containerization, microservices, and cloud-native application development. Kubernetes and Cloud Native Associate certification is designed for IT professionals who want to demonstrate their expertise in these areas and advance their careers in cloud computing.
The KCNA exam is a vendor-neutral certification, meaning that it is not tied to any specific cloud provider or technology. This makes it an attractive option for professionals who work with different cloud platforms and want to showcase their skills in a way that is recognized across the industry. KCNA exam covers a broad range of topics, including Kubernetes architecture, deployment, networking, and security.
NEW QUESTION # 40
What is Open Container Initiative 'OCI'?
- A. An organization that creates open standards for containers
- B. An open standard for managing service mesh in kubernetes
- C. The governing body of the Cloud Native Computing Foundation 'CNCF'
- D. A protocol for communicating with the kubernetes api
Answer: A
Explanation:
https://opencontainers.org/
NEW QUESTION # 41
Which of the following is NOT a Kubernetes component?
- A. Cloud Controller manager
- B. Kube-proxy
- C. Scheduler
- D. Docker
Answer: D
Explanation:
Docker is not a Kubernetes component.
NEW QUESTION # 42
Which control plane component is responsible for scheduling pods?
- A. kube scheduler
- B. kube api-server
- C. kubelet
- D. kube-proxy
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/overview/components/
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 manage the source code of kubernetes itself
- C. They allows us to store container images in repositories
- D. They allow us to store software code in Git
Answer: A
Explanation:
https://fluxcd.io/docs/components/
NEW QUESTION # 44
Which prometheus metric type represents a single number value that can increase and decrease over time?
- A. Summary
- B. Gauge
- C. Counter
- D. Histogram
Answer: B
Explanation:
https://prometheus.io/docs/concepts/metric_types/#gauge
NEW QUESTION # 45
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 # 46
What feature is used for selecting the container runtime configuration?
- A. RuntimeContainer
- B. Runtime
- C. RuntimeConfig
- D. RuntimeClass
Answer: D
Explanation:
https://kubernetes.io/docs/concepts/containers/runtime-class/
NEW QUESTION # 47
The Kubernetes API provides an interface for storing objects. Which of the following describes the type of objects stored by the Kubernetes API?
- A. YAML
- B. ETCD
- C. REST
- D. Containers
Answer: C
Explanation:
Kubernetes objects are RESTful objects.
NEW QUESTION # 48
What CNCF project is the leading DNS project in the CNCF landscape?
- A. KubeDNS
- B. gRPC
- C. CoreDNS
- D. Kubernetes
Answer: C
Explanation:
https://github.com/cncf/landscape#trail-map
NEW QUESTION # 49
Which of the following is used to request storage in Kubernetes?
- A. PersistentVolumeClaim 'PVC'
- B. PersistentVolume 'PV'
- C. Container Storage Interface 'CSI'
- D. StorageClasses
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/storage/persistent-volumes/
NEW QUESTION # 50
What are the two major components of service mesh?
- A. None of the options
- B. Control plane and Data plane
- C. Master plane and User plane
- D. Controller plane and User plane
- E. Master plane and Data plane
Answer: B
Explanation:
https://istio.io/latest/about/service-mesh/
NEW QUESTION # 51
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 # 52
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 # 53
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. Trace
- B. Log
- C. Bucket
- D. Span
Answer: D
Explanation:
https://www.splunk.com/en_us/data-insider/what-is-distributed-tracing.html
NEW QUESTION # 54
A ________ is an application running on kubernetes.
- A. pod
- B. container
- C. node
- D. workload
Answer: D
Explanation:
https://kubernetes.io/docs/concepts/workloads/
NEW QUESTION # 55
What makes cloud native technology so important?
- A. It strengthens team
- B. It makes operational centric
- C. It removes roadblocks to innovation
- D. It helps gather software requirements
- E. It makes data centric
Answer: C
Explanation:
https://github.com/cncf/foundation/blob/main/charter.md
NEW QUESTION # 56
Flux is built using which toolkit?
- A. CI/CD
- B. GitOps
- C. DevSecOps
- D. DevOps
Answer: B
Explanation:
https://fluxcd.io/
NEW QUESTION # 57
What is a benefits of Kubernetes federation?
- A. Creates highly available clusters in different regions
- B. Avoids scalability limits on pods and nodes
- C. Low latency
Answer: A,B,C
NEW QUESTION # 58
Which style of operations are preferred for kubernetes and cloud-native applications?
- A. Imperative
- B. Declarative
- C. None of the above
Answer: B
Explanation:
https://kubernetes.io/docs/tasks/manage-kubernetes-objects/declarative-config/#trade-offs
NEW QUESTION # 59
What is the functionality of the daemon set?
- A. To initialize the pod before starting the main pod
- B. To run a copy of the pod in a single node of the cluster
- C. To run a copy of the pod in all the nodes of the cluster
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/
NEW QUESTION # 60
Which of the following container runtime is planned to be deprecated in Kubernetes 1.20 and high-er?
- A. podman
- B. None of the options
- C. cri-o
- D. containerd
- E. docker
Answer: E
Explanation:
https://kubernetes.io/blog/2020/12/02/dont-panic-kubernetes-and-docker/
NEW QUESTION # 61
What are the two goals of Cloud-Native?
- A. Frequent deployments and well-defined organizational silos
- B. Slow innovation and stable applications
- C. Rapid innovation and reliability
- D. Rapid innovation and automation
Answer: C
Explanation:
https://www.redhat.com/en/topics/cloud-native-apps
NEW QUESTION # 62
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The KCNA certification is an industry-recognized certification that is highly valued by employers. It is an excellent way for individuals to demonstrate their expertise in Kubernetes and cloud-native technologies, which are becoming increasingly important in today's digital landscape. Kubernetes and Cloud Native Associate certification is also a great way for individuals to advance their careers and take on more challenging roles in the field of cloud computing.
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