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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]

The Kubernetes yaml shown below describes a networkPolicy.

Will the networkPolicy BLOCK this trafftc?

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

Show Suggested Answer Hide Answer
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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Paris
2 days ago
Ha, 'trafftc'? Looks like someone needs to brush up on their spelling. But I digress, I think the 'No' answer is the way to go here. The policy doesn't seem to be blocking that specific traffic.
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Hana
9 days ago
I disagree, I believe the networkPolicy will not block the traffic.
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Otis
10 days ago
I think the networkPolicy will block the traffic.
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Stephaine
17 days ago
Hold up, I'm not so sure about that. The question says the policy will 'BLOCK this trafftc', but the solution mentions a request from a pod with the 'tier: api' label to a pod with 'tier: backend' label. Shouldn't that be allowed? I'm gonna go with 'No'.
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Denny
21 days ago
Hmm, this looks like a tricky one. I'm gonna go with 'Yes' on this one. The networkPolicy seems pretty straightforward to me.
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Shelba
21 hours ago
No, it won't block the traffic.
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Reed
3 days ago
I agree, the networkPolicy seems to be set up to block the traffic.
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Antonio
10 days ago
I think it will BLOCK the traffic.
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