Linux Foundation KCNA Exam - Topic 5 Question 22 Discussion

Actual exam question for Linux Foundation's KCNA exam

Question #: 22
Topic #: 5

[All KCNA Questions]

Which of the following is an example of vertical scaling?

AUsing cluster autoscaler

BAdding more resources (memory and/or cpu) to a kubernetes node

CAdding more nodes to kubernetes cluster

DAdding more replica pods to a deployment

Show Suggested Answer

Suggested Answer: B

https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/

by Erick at May 28, 2023, 06:07 AM

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Edwin

4 months ago

C is horizontal scaling, not vertical!

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Mariann

4 months ago

Wait, so adding more resources is vertical? That’s surprising!

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Veta

4 months ago

Totally agree, B is the right answer!

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Isaiah

5 months ago

I thought adding nodes was vertical scaling?

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Jarvis

5 months ago

B is definitely vertical scaling!

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An

5 months ago

I feel like adding more nodes is definitely horizontal scaling, so I guess that means C is out too.

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Lilli

5 months ago

I practiced a similar question where vertical scaling was defined as increasing the capacity of existing resources, which sounds like B again.

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Herminia

5 months ago

I'm not entirely sure, but I remember something about cluster autoscaler being related to horizontal scaling, so that rules out A for me.

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Beth

6 months ago

I think vertical scaling is about adding resources to a single node, so that might be option B?

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Mayra

6 months ago

This seems like a straightforward configuration task, but I want to make sure I understand the requirements clearly before I start.

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Eun

6 months ago

Wait, I'm a little confused. Does modifying the action group really solve the problem, or is there something else I'm missing? I'll need to review the question more carefully.

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