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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]

The Kubernetes yaml shown below describes a networkPolicy.

Will the networkPolicy BLOCK this trafftc?

Solution. a request issued from a pod bearing only the tier: frontend label, to a pod bearing the tier: backend label

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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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Lisbeth
4 days ago
The networkPolicy looks good, but I'm not sure if it will block the traffic. I think we need to check the ingress and egress rules to be sure.
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Celestina
6 days ago
I think the networkPolicy will BLOCK the traffic.
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