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Docker Exam DCA Topic 2 Question 104 Discussion

Actual exam question for Docker's DCA exam
Question #: 104
Topic #: 2
[All DCA Questions]

You want to provide a configuration file to a container at runtime. Does this set of Kubernetes tools and steps accomplish this?

Solution: Turn the configuration file into a configMap object and mount it directly into the appropriate pod and container using the .spec.containers.configMounts key.

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Suggested Answer: A

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 only the tier: frontend label to a pod bearing the tier: backend label will be blocked by this networkPolicy1. This is because the networkPolicy does not have a rule allowing ingress from pods with the tier: frontend label1. For more information on Kubernetes NetworkPolicies, you can refer to the Kubernetes Documentation on Network Policies.


by Miesha at Dec 09, 2024, 07:59 PM

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Irma
12 days ago
I agree, this solution seems to be correct. Configuring the container with a configMap is a common and effective way to handle runtime configuration.
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Arlie
14 days ago
Yes, this looks like the right approach to me. Mounting a configMap directly into the container is a great way to provide runtime configuration.
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Rodolfo
20 days ago
I agree with Lettie, it seems like the correct way to provide the configuration file.
upvoted 0 times
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Kenny
22 days ago
I'm not sure, I think we need to double check the steps.
upvoted 0 times
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Lettie
25 days ago
Yes, that sounds like the right approach.
upvoted 0 times
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