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Docker Exam DCA Topic 6 Question 94 Discussion

Actual exam question for Docker's DCA exam
Question #: 94
Topic #: 6
[All DCA Questions]

The Kubernetes yaml shown below describes a networkPolicy.

Will the networkPolicy BLOCK this traffic?

Solution: a request issued from a pod lacking the tier: api 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 Layla at Aug 07, 2024, 07:01 AM

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Youlanda
2 days ago
The question is a bit misleading. We need to look at the actual networkPolicy configuration, not just the question itself.
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Gerry
4 days ago
Hmm, this seems tricky. I'll have to carefully analyze the networkPolicy definition to determine if it will block the specified traffic.
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Tawny
19 days ago
I'm not sure, but I think the networkPolicy will allow the traffic.
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Milly
20 days ago
I agree with Domonique, because the request doesn't meet the criteria specified in the yaml.
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Domonique
24 days ago
I think the networkPolicy will block the traffic.
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