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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
1 months ago
Yup, no doubt about it. The Dockerfile is like the secret instructions for summoning a Docker container into existence.
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Eric
6 days ago
I agree, the Dockerfile is the blueprint for building a Docker container.
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Kimi
7 days ago
Exactly! The Dockerfile is crucial for creating a Docker image.
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Glenna
15 days ago
Yes
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Stevie
1 months 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
2 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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Geraldine
7 days ago
Yes, a Dockerfile contains all the instructions needed to build a Docker image.
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Dion
16 days ago
That's right, the Dockerfile is used to define the steps needed to create a Docker image.
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Nickolas
19 days ago
Yes
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Sarah
2 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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Ressie
23 hours ago
Correct, a Dockerfile is essential for building Docker images.
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Willodean
13 days ago
Yes, a Dockerfile contains all the commands needed to build the image.
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Brynn
17 days ago
Absolutely, a Dockerfile is like a blueprint for creating a Docker image.
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Graham
1 months 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
3 months ago
I think the statement is correct.
upvoted 0 times
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