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KCNA : Kubernetes and Cloud Native Associate (KCNA) Exam

Linux-Foundation KCNA Questions & Answers
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Exam Code : KCNA
Exam Name : Kubernetes and Cloud Native Associate (KCNA)
Vendor Name :
"Linux-Foundation"
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Linux-Foundation
KCNA
Kubernetes and Cloud Native Associate (KCNA)
https://killexams.com/pass4sure/exam-detail/KCNA
Question: 30
Which project in this list is a leading project in the observability space?
Jaeger
Vitess
Argo
Kubernetes
Answer: A
Explanation:
https://github.com/cncf/landscape#trail-map
Question: 31
What is scheduling in Kubernetes
Determining when to execute a cron-job
Assigning pods to nodes
Joining a new nodes to the clusters
Setting a time for automated tasks
Answer: B
Explanation: https://kubernetes.io/docs/concepts/scheduling-eviction/
Graphical user interface, application Description automatically generated
Question: 32
Which of the following are characteristics of Statefulsets?
Ordered, graceful deployment and scaling
Creates replica sets
Uses headless services
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/
Graphical user interface, text, application, email Description automatically generated
Question: 33
Which control plane component is responsible for scheduling pods?
kube-proxy
kube scheduler
kubelet
kube api-server
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/overview/components/
Graphical user interface, text, application Description automatically generated
Question: 34
What is a benefits of Kubernetes federation?
Avoids scalability limits on pods and nodes
Creates highly available clusters in different regions
Low latency
Answer: A,B,C
Question: 35
Which prometheus metric type represents a single number value that can increase and decrease over time?
Gauge
Histogram
Summary
Counter
Answer: A
Explanation:
https://prometheus.io/docs/concepts/metric_types/#gauge
Graphical user interface, text Description automatically generated
Question: 36
What is OPA?
Open Permission Agent
Online Policy Audit
Open Policy Agent
Offline Policy Accessor
Answer: C
Explanation:
https://www.cncf.io/projects/open-policy-agent-opa/
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Question: 37
Which of the following is not the part of Kubernetes Control Plane?
kube scheduler
etcd (pronounce: esty-d)
kube api-server
kube-proxy
Answer: D
Explanation:
https://kubernetes.io/docs/concepts/overview/components/
Which access control component of Kubernetes is responsible for authorization and decides what requestor is allowed to do?
Service Account
Role-based access control ‘RBAC’
Deployment
Answer: B
Explanation:
https://kubernetes.io/docs/reference/access-authn-authz/authorization/
Which role is responsible of creating service level indicator ‘SLI’, service level objective ‘SLO’, & Service Level Agreements ‘SLA’
Site reliability engineer ‘SRE’
DevOps
GitOps
Security and compliance engineer
Developer
Answer: A
Explanation:
https://www.atlassian.com/incident-management/kpis/sla-vs-slo-vs-sli
Text
Description automatically generated
Question: 40
Which is NOT a use case for the Kubernetes dashboard?
Troubleshooting any issues with applications
Managing running applications
Installing new Kubernetes cluster
Managing the entire Kubernetes cluster
Answer: C
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