KCNA Free Practice Test

A new Pod is created. Then, the Pod is assigned to a Node. Which Kubernetes component was re-sponsible for determining which Node to assign the Pod to?

1. A. kubelet
2. B. Scheduler
3. C. API Server
4. D. Controller manager

Correct Answer: B
https://kubernetes.io/docs/reference/command-line-tools-reference/kube-scheduler/ Graphical user interface, text, application Description automatically generated

How does service logical group set of pods?

1. A. Using hostname
2. B. Using label and selectors
3. C. Using IP address

Correct Answer: B
https://kubernetes.io/docs/concepts/services-networking/service/ Diagram Description automatically generated

What is the name of the Kubernetes agent that runs on each worker nodes?

1. A. kubelet
2. B. systemd
3. C. kube-proxy
4. D. pod

Correct Answer: A
https://kubernetes.io/docs/concepts/overview/components/
Graphical user interface, diagram, application Description automatically generated

What tool allows us to build useful visual representations of prometheus data?

1. A. Grafana
2. B. kubectl
3. C. Distributed system tracing
4. D. Rook
5. E. Kibana

Correct Answer: A
https://prometheus.io/
Graphical user interface, text, application Description automatically generated

What kind of limitation cgroups allows?

1. A. Prioritization
2. B. Resource limiting
3. C. Accounting
4. D. None of the options
5. E. Control
6. F. Server cpu and memory

Correct Answer: ABCE