The Linux Foundation KCNA Kubernetes and Cloud Native Associate (KCNA) Online Training
The Linux Foundation KCNA Online Training
The questions for KCNA were last updated at Nov 22,2024.
- Exam Code: KCNA
- Exam Name: Kubernetes and Cloud Native Associate (KCNA)
- Certification Provider: The Linux Foundation
- Latest update: Nov 22,2024
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 . Cluster Autoscaling
- C . Recursive Scaling
- D . Vertical Scaling
D
Explanation:
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Which of the following best describes a cloud-native app?
- A . An application where all logic is coded into a single large binary.
- B . An application that publishes an HTTPS web front-end.
- C . An application that takes advantages of cloud computing fromworks and their loosely coupled cloud services.
- D . An application that leverages services that are native to public cloud platforms such as Azure, GCP, and/or AWS.
C
Explanation:
Cloud-native apps leverage cloud computing frameworks and tend to be microservices based, where individual components of the app are coded as individual.
Which project in this list is a leading project in the observability space?
- A . Jaeger
- B . Vitess
- C . Argo
- D . Kubernetes
A
Explanation:
https://github.com/cncf/landscape#trail-map
To specify a Kubernetes object which language is used?
- A . JSON
- B . Go
- C . YAML
- D . Node
- E . Python
C
Explanation:
https://kubernetes.io/docs/concepts/overview/working-with-objects/kubernetes-objects/
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What is OPA?
- A . Open Permission Agent
- B . Online Policy Audit
- C . Open Policy Agent
- D . Offline Policy Accessor
C
Explanation:
https://www.cncf.io/projects/open-policy-agent-opa/
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Which access control component of Kubernetes is responsible for authorization and decides what requestor is allowed to do?
- A . Service Account
- B . Role-based access control ‘RBAC’
- C . Deployment
B
Explanation:
https://kubernetes.io/docs/reference/access-authn-authz/authorization/
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Which authentication method allows JWTs to authenticate?
- A . OpenId connect
- B . Client ‘TLS’ certificates
- C . OPA gatekeeper
- D . Anonymous
Which of the following are characteristics of Statefulsets?
- A . Ordered, graceful deployment and scaling
- B . Creates replica sets
- C . Uses headless services
A
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/
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What does the ‘kops’ acronym means?
- A . Kubernetes Open Platform Specification
- B . Kubernetes Operations
- C . Kubernetes Operators
- D . Kubernetes Operation Policy Specification
B
Explanation:
https://github.com/kubernetes/kops
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