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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

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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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Sarah
4 days 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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Sean
10 days 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
13 days ago
I agree with Eileen, a Dockerfile does provide instructions for building a Docker image.
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Eileen
22 days ago
I think the statement is correct.
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