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Docker Exam DCA Topic 4 Question 102 Discussion

Actual exam question for Docker's DCA exam
Question #: 102
Topic #: 4
[All DCA Questions]

Is this statement correct?

Solution: A Dockerfile provides instructions for building a Docker image

Show Suggested Answer Hide Answer
Suggested Answer: B

The provided Kubernetes NetworkPolicy YAML configuration indicates that the policy applies to pods with the label tier: backend in the default namespace1. The ingress rule allows traffic from pods with the label tier: api1. Therefore, a request issued from a pod bearing the tier: api label to a pod bearing the tier: backend label will not be blocked by this networkPolicy1. This is because the networkPolicy explicitly allows ingress from pods with the tier: api label1. For more information on Kubernetes Network


by Desirae at Oct 22, 2024, 03:58 AM

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Gail
26 days ago
Yup, no doubt about it. The Dockerfile is like the secret instructions for summoning a Docker container into existence.
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Stevie
28 days ago
Haha, of course it's right. If you don't have a Dockerfile, how else are you supposed to build a Docker image? Witchcraft?
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Dalene
1 months ago
Absolutely, the statement is correct. The Dockerfile is the core of the Docker build process, laying out how to construct the image.
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Dion
22 hours ago
That's right, the Dockerfile is used to define the steps needed to create a Docker image.
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Nickolas
4 days ago
Yes
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Sarah
1 months ago
Yeah, that's definitely correct. A Dockerfile is the recipe for building a Docker image. It spells out all the steps needed to create the image.
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Brynn
2 days ago
Absolutely, a Dockerfile is like a blueprint for creating a Docker image.
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Graham
17 days ago
Yes
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Sean
2 months ago
I'm not sure, but I think the answer is A) Yes because a Dockerfile is used to define the steps needed to create a Docker image.
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Ronny
2 months ago
I agree with Eileen, a Dockerfile does provide instructions for building a Docker image.
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Eileen
2 months ago
I think the statement is correct.
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