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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

Show Suggested Answer Hide Answer
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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Shakira
19 days ago
Haha, this is a tricky one! The answer must be 'Yes', because the policy is clearly set up to block traffic from the frontend to the backend pods. The developers must have been feeling mischievous when they wrote this question.
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Denny
6 days ago
User 2: Yes, the policy is set up to block traffic from frontend to backend pods.
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Edelmira
13 days ago
User 1: Yes
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Lashon
19 days ago
I agree with Celestina, the networkPolicy seems to be set up to block the traffic.
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Celestina
21 days ago
But the solution mentions that it will block traffic from frontend to backend pods.
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Tamala
28 days ago
I disagree, I believe the networkPolicy will not block the traffic.
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Lisbeth
2 months 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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Venita
20 days ago
Let's review the rules in the yaml file to confirm if it will block the traffic.
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Goldie
26 days ago
The yaml file seems to be correctly configured for blocking the traffic.
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Rashad
29 days ago
I agree, the ingress and egress rules need to be checked to be sure.
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Judy
1 months ago
I think the networkPolicy will block the traffic.
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Celestina
2 months ago
I think the networkPolicy will BLOCK the traffic.
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