Exam DCA topic 1 question 81 discussion

Actual exam question from Mirantis's DCA

Question #: 81
Topic #: 1

You are running only Kubernetes workloads on a worker node that requires maintenance, such as installing patches or an OS upgrade.
Which command must be run on the node to gracefully terminate all pods on the node, while marking the node as unschedulable?

A. ‘kubectl cordon <node name>’
B. ‘docker swarm leave’
C. ‘kubectl drain <node name>’
D. ‘docker node update --availability drain <node name>’

Show Suggested Answer

Suggested Answer: C 🗳️

by fallais at Aug. 23, 2024, 7:34 a.m.

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Pepsi16

2 months, 1 week ago

Selected Answer: C

C is correct the question taking about Kubernetes

upvoted 1 times

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diazed

3 months, 3 weeks ago

Selected Answer: C

In Kubernetes, kubectl drain gracefully evicts pods from a node, while kubectl cordon prevents new pods from being scheduled on a node. Both commands are used to manage nodes during maintenance or to temporarily take them offline.

upvoted 2 times

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fallais

10 months, 1 week ago

Selected Answer: D

D is the correct answer. https://docs.docker.com/engine/swarm/swarm-tutorial/drain-node/

upvoted 1 times

InversaRadice

8 months, 3 weeks ago

The question is about Kubernetes not swarm so the answer C is correct

upvoted 1 times

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