Kubernetes Quiz: Questions And Answers 2024

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Kubernetes

Kubernetes Quiz

A set of 30 Kubernetes Questions

The number of attempts remaining is 10

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1 / 30

1. Which company developed Borg (The Predecessor to Kubernetes) as an internal project?

1. A. Amazon

2. B. Google

3. C. IBM

4. D. Toyota

2 / 30

2. In Kubernetes, a Deployment object is responsible for managing the lifecycle of Pods and ensuring a specified number of replicas are running.

1. True

2. False

3 / 30

3. Which command would you use to get the number of running pods in a specific namespace using JSONPath?

1. a. kubectl get pods -n my-namespace -o jsonpath='{.items[?(@.status.phase=="Running")].metadata.name}'

2. b. kubectl get pods -n my-namespace -o jsonpath='{.items[?(@.status=="Running")].metadata.name}'

3. c. kubectl get pods --namespace my-namespace -o jsonpath='{.items[?(@.status=="Running")].metadata.name}'

4. d. kubectl get pods --namespace my-namespace -o jsonpath='{.items[?(@.status.phase=="Running")].metadata.name}'

4 / 30

4. Which command would you use to drain a node named 'my-node' for maintenance ?

1. a. kubectl drain my-node

2. b. kubectl drain node my-node

3. c. kubectl cordon my-node

4. d. kubectl cordon node my-node

5 / 30

5. Which of the following are part of a Pod?

1. A. One or more containers

2. B. Shared IP address Your Answer

3. C. One namespace

4. D. All of the above

6 / 30

What is the main configuration agent on a master server?

1. A. watcher

2. B. kubelet

3. C. loop

4. D. kube-apiserver

7 / 30

7. How many IP addresses can be configured for a Pod?A. 1

1. A. 1

2. B. 2

3. C. 8

4. D. None

8 / 30

8. What is the smallest object or unit we can work with in Kubernetes?

1. A. Container

2. B. Pod

3. C. ReplicaSet

4. D. Deployment

9 / 30

9. The ~/.kube/config file contains _____________.

1. A. Endpoints

2. B. SSL keys

3. C. Contexts

4. D. All of the above

10 / 30

10. How many pod networks can you have per cluster?

1. A. 1

2. B. 2

3. C. 3

4. D. 4

11 / 30

11. Which of the following is the main binary for working with objects of a Kubernetes cluster?

1. A. OpenStack

2. B. Make

3. C. adminCreate

4. D. kubectl

12 / 30

12. What is the kubeadm command used for?

1. A. Assign an administrator to the cluster

2. B. Start a new Pod

3. C. Create a cluster and add nodes

4. D. All of the above

13 / 30

13. Orchestration is managed through a series of watch-loops or controllers. Each interrogates the ___________________ for a particular object state.

1. A. kube-apiserver

2. B. etcd

3. C. kubelet

4. D. ntpd

14 / 30

14. In what database are the objects and the state of the cluster stored?

1. A. ZooKeeper

2. B. MySQL

3. C. etcd

4. D. Couchbase

15 / 30

15. A StatefulSet in Kubernetes guarantees stable network identities and stable storage for its Pods.

1. True

2. False

16 / 30

16.

What do we use when adding a new API object to kube-apiserver?

1. A. Exterior object

2. B. Custom Resource Definition

3. C. Aggregated APIs

4. D. Extended API

17 / 30

17. When a node has been tainted, what does a Pod require to be deployed on that node?

1. A. Annotation

2. B. Permission

3. C. Ability

4. D. Toleration

18 / 30

18. Which of the following is the template that describes the application to deploy, configurations, and dependencies suing HELM ?

1. A. Chart

2. B. Tiller

3. C. Helm

4. D. Repository

19 / 30

19. From the smallest object to the largest, which is the correct order of the following Kubernetes objects?

1. A. Container, ReplicaSet, Pod, Deployment

2. B. Pod, Container, ReplicaSet, Deployment

3. C. Container, Pod, ReplicaSet, Deployment

4. D. Container, Pod, Deployment, ReplicaSet

20 / 30

20. What is the main agent on a worker node?

1. A. watcher

2. B. kubelet

3. C. loop

4. D. kube-apiserver

21 / 30

21. What is the best definition of the runtimeclass Kubernetes object?

1. Container runtime configuration setting

2. Kube-scheduler performance class option

3. Admission controller option to use existing application kernel

22 / 30

22. What is the future of granular container permission control?

1. Pod Security Policies

2. Open Policy Agent

23 / 30

23. Kubeadm-built clusters are closed or open by default concerning pod security settings?

1. Open

2. Closed

24 / 30

24. Which of the following setting determines what happens to persistent storage upon release?

1. persistentVolumeReclaimPolicy

2. releasePolicy

3. StorageSettingK8S

4. None of the above

25 / 30

25. What is a collection of charts called?

1. Chart

2. Tiller

3. Helm

4. Repository

26 / 30

26. Kubernetes has built-in cluster-wide logging. True or False?

1. TRUE

2. FALSE

27 / 30

27. We can specify egress rules with network policies. True or False?

1. TRUE

2. FALSE

28 / 30

28. Which agent accepts the --authorization-mode option to change the authorization tool in use?

1. kubelet

2. kubeadm

3. kubectl

4. kube-apiserver

29 / 30

29. Which of the following is not part of accessing the Kubernetes API?

1. Authentication

2. Keystone

3. Authorization

4. Admission Controllers

30 / 30

30. All Custom Resource Definitions must exist in a namespace. True or False?

1. TRUE

2. FALSE

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