Discuss Nutanix NCA Exam Topic 1 Question 19

Which cluster configuration is LCM unable to perform firmware upgrades against?

AFive-node

BThree-node

CTwo - node

DSingle---node

Suggested Answer: D

LCM (Lifecycle Manager) is a tool provided by Nutanix to automate software and firmware upgrades for Nutanix clusters. However, LCM is unable to perform firmware upgrades against a (D) Single-node cluster configuration.

This is because a single-node cluster does not have any redundancy, so there is no way to perform an upgrade without taking the entire cluster offline. In contrast, multi-node clusters can typically be upgraded in a rolling fashion, with one or more nodes being upgraded at a time while the rest of the cluster remains online.

LCM is capable of performing firmware upgrades against two-node, three-node, and five-node cluster configurations, as long as they meet the other requirements for LCM support (such as being on a supported AOS release and having the appropriate network connectivity).

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28 comments · newest first

Sylvie 10 months ago

Just to clarify, two-node setups are also supported.

Bobbye 11 months ago

It's definitely five-node clusters that are fine.

Jerry 11 months ago

Wait, really? I thought it could handle that!

Casie 11 months ago

Totally agree, it's a limitation.

Kerry 11 months ago

LCM can't do firmware upgrades on single-node clusters.

Nikita 11 months ago

I’m leaning towards single-node as well, but I remember something about five-node clusters being tricky too.

Valentin 12 months ago

I feel like two-node clusters might be the answer, but I can't recall the specifics from my notes.

Reita 12 months ago

I remember practicing a similar question, and I think it was about three-node clusters being the limit for LCM upgrades.

Rebeca 1 year ago

I think LCM struggles with firmware upgrades on single-node clusters, but I'm not entirely sure.

Domingo 1 year ago

Firmware upgrades on cluster configurations? This is a tricky one, not sure where to start.

Starr 1 year ago

Okay, let me break this down step-by-step. I think I can figure this out.

Beatriz 1 year ago

Hmm, I'm not sure about this one. I'll need to think it through carefully.

Erasmo 1 year ago

This question seems straightforward, I think I know the answer.

Mira 1 year ago

Okay, let me think this through. A physical control is something tangible that helps protect against threats, right? I'm leaning towards option A, but I'll double-check the definitions just to be sure.

Margot 2 years ago

Ah, the age-old battle of the cluster configurations. I bet LCM can handle them all, except for the single-node setup - that's like trying to herd cats!

Maybelle 2 years ago

Hmm, I'm going with B) Three-node. Two-node clusters can be a bit finicky, but three-node should be within LCM's capabilities.

Annelle 2 years ago

I'm not sure about this. Can someone explain why LCM can't perform firmware upgrades on a Single-node cluster?

Natalie 2 years ago

D) Single-node seems like the obvious answer here. LCM is designed for managing multiple nodes, so a single-node setup would be a challenge.

Detra 2 years ago

↳ replying to Natalie

C) Two-node

Vicky 2 years ago

↳ replying to Natalie

B) Three-node

Emilio 2 years ago

↳ replying to Natalie

A) Five-node

Carmen 2 years ago

↳ replying to Natalie

D) Single-node seems like the obvious answer here.

Mauricio 2 years ago

I think the answer is C) Two-node. LCM can handle firmware upgrades on larger cluster configurations, but two-node setups might be tricky.

Svetlana 2 years ago

↳ replying to Mauricio

Yeah, it's important to have enough nodes for a smooth firmware upgrade process.

Leandro 2 years ago

↳ replying to Mauricio

I think it's because there might not be enough redundancy in a two-node setup.

Joni 2 years ago

↳ replying to Mauricio

I agree, LCM can't perform firmware upgrades on two-node clusters.

Geraldine 2 years ago

I agree with Lenna. LCM is unable to perform firmware upgrades against a Single-node cluster configuration.

Lenna 2 years ago

I think the answer is D) Single-node.

Nutanix NCA Exam - Topic 1 Question 19 Discussion