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Docker DCA Exam - Topic 5 Question 107 Discussion

Actual exam question for Docker's DCA exam
Question #: 107
Topic #: 5
[All DCA Questions]

A company's security policy specifies that development and production containers must run on separate nodes in a given Swarm cluster.

Can this be used to schedule containers to meet the security policy requirements?

Solution: node affinities

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Suggested Answer: A

They provide granular control over where pods (or in this case, containers) are scheduled, based on the labels of the nodes1. In the context of Docker Swarm, this means that you could use node affinities to ensure that development and production containers are scheduled on separate nodes, thus meeting the company's security policy requirements12345.


by Breana at Feb 09, 2025, 05:49 AM

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Yun
4 months ago
Wait, can node affinities handle all edge cases?
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Detra
5 months ago
Definitely, that’s how we do it in our setup!
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Roxane
5 months ago
I’m not so sure, can it really guarantee separation?
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Melissa
5 months ago
Totally agree, it's a solid approach!
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Elenora
5 months ago
Yes, node affinities can enforce that.
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Veronika
5 months ago
I feel like I've seen similar questions before, and node affinities were always the answer, but I can't recall the details.
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Herminia
6 months ago
I'm a bit confused. Can node affinities really guarantee that development and production containers won't end up on the same node?
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Kattie
6 months ago
I remember practicing a question about scheduling in Swarm, and node affinities seemed like the right approach for security policies.
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Royal
6 months ago
I think node affinities can help with that, but I'm not entirely sure how they enforce separation in Swarm.
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Chi
6 months ago
I'm a bit confused by the wording of the question. What exactly do they mean by "can this be used"? Is the solution just to use node affinities, or is there more to it? I'll need to carefully read through the details again.
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Josphine
6 months ago
Okay, let's think this through step-by-step. The security policy says development and production containers must run on separate nodes. If we use node affinities, we can specify which types of containers should be scheduled on which nodes. I think the answer is yes, we can use this to meet the policy requirements.
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Lorita
6 months ago
Hmm, I'm not sure I fully understand the question. Can we use node affinities to schedule containers to meet the security policy requirements? I'll need to review my notes on that topic.
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Hassie
6 months ago
This looks like a straightforward question about using node affinities to schedule containers based on the security policy. I'm confident I can solve this one.
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Omega
1 year ago
Node affinities, huh? Sounds like a fancy dance move, but I guess it'll do the trick. As long as it keeps the suits happy, I'm on board.
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Candida
1 year ago
No problem, we can use node affinities to schedule containers accordingly.
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Werner
1 year ago
Agreed, it's important to follow the company's security policy.
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Alita
1 year ago
I think node affinities will definitely help us meet the security policy requirements.
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Filiberto
1 year ago
Yes
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Benton
1 year ago
Yeah, using node affinities is the right call. Gotta love it when the solution is a perfect fit for the problem. Makes my job a whole lot easier.
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Markus
1 year ago
No, I don't think node affinities will help in scheduling containers on separate nodes.
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Patti
1 year ago
Absolutely, node affinities are the way to go here. Keeps those dev and prod containers nice and separate, just like the security policy ordered!
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Katie
1 year ago
Great, thanks for confirming!
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Janna
1 year ago
A) Yes
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Dana
1 year ago
Absolutely, node affinities are the way to go here. Keeps those dev and prod containers nice and separate, just like the security policy ordered!
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Mona
1 year ago
A) Yes
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Myong
1 year ago
Exactly, node affinities will ensure that development and production containers are running on separate nodes as required by the security policy.
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Adelle
1 year ago
Yes
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Pura
1 year ago
I think the security policy requirements can be met by using node affinities.
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Deja
1 year ago
Yes, node affinities can be used to schedule containers on separate nodes.
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