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Docker DCA Exam - Topic 5 Question 42 Discussion

Actual exam question for Docker's DCA exam
Question #: 42
Topic #: 5
[All DCA Questions]

Will this command list all nodes in a swarm cluster from the command line?

Solution: 'docker Is -a'

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Suggested Answer: A

by Mariann at May 07, 2022, 03:45 PM

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Milly
4 months ago
Wait, are you sure? I thought 'ls' was for listing.
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Michal
4 months ago
No way, that's incorrect.
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Tanja
4 months ago
I thought it would list nodes too, but I guess not?
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Brittni
4 months ago
Definitely not, it won't work.
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Portia
5 months ago
That's actually a typo, it should be 'docker ls -a'.
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Mari
5 months ago
I'm pretty confident that the command is incorrect for listing swarm nodes. It seems like a trick question.
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Willard
5 months ago
I feel like 'docker Is -a' might list images instead? But I can't recall exactly.
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Jaime
5 months ago
I remember practicing a similar question, and it was definitely 'docker node ls' for listing nodes in a swarm.
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Rolland
5 months ago
I think the command should be 'docker ps -a' instead of 'docker Is -a'. I'm not sure though.
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Curtis
5 months ago
This question seems straightforward, but I want to make sure I understand the implications of the sale and leaseback transaction on AB's ratios.
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Altha
5 months ago
Hmm, this looks like a tricky one. I'll need to think carefully about the pattern operations that can query targets.
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Lai
5 months ago
Hmm, I'm not sure how to approach this one. The high IOPS utilization alert is concerning, but I'm not familiar with the Alibaba Cloud services. I guess I'd try looking for answers in the Alibaba Cloud forum first, to see if anyone else has dealt with a similar issue. If that doesn't work, I'll have to open a ticket and hope the support team can guide me through it.
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Estrella
5 months ago
Hmm, I'm a bit unsure about this one. Process capability is an important concept, but I'm not totally clear on the specific definition and how it relates to the answer choices here. I'll need to review my notes to make sure I understand it properly.
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