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Linux Foundation CKS Exam - Topic 1 Question 14 Discussion

Create a network policy named restrict-np to restrict to pod nginx-test running in namespace testing.Only allow the following Pods to connect to Pod nginx-test:-1. pods in the namespace default2. pods with label version:v1 in any namespace.Make sure to apply the network policy.
A) Explanation:

Linux Foundation CKS Exam - Topic 1 Question 14 Discussion

Actual exam question for Linux Foundation's CKS exam
Question #: 14
Topic #: 1
[All CKS Questions]

Create a network policy named restrict-np to restrict to pod nginx-test running in namespace testing.

Only allow the following Pods to connect to Pod nginx-test:-

1. pods in the namespace default

2. pods with label version:v1 in any namespace.

Make sure to apply the network policy.

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Suggested Answer: A

by Jesusita at May 06, 2022, 12:39 AM

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Tyra
8 months ago
I thought network policies only worked within the same namespace?
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Lenora
8 months ago
This is a classic use case for network policies!
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Lettie
8 months ago
Wait, can we really restrict by labels across namespaces?
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Annabelle
8 months ago
Agree, but what about pods in other namespaces?
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Georgiann
8 months ago
Sounds straightforward, just need to set the right selectors.
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Raymon
8 months ago
I believe we have to specify the pod selector for nginx-test and then set the ingress rules correctly. I hope I remember the syntax right!
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Loren
8 months ago
I’m a bit confused about how to apply the network policy after creating it. Do we just use `kubectl apply` with the YAML file?
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Iesha
8 months ago
This question feels similar to the practice we did on network policies last week. I think we need to use ingress rules to allow traffic from the specified pods.
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Veronika
8 months ago
I think I remember that we need to define the pod selector and namespace selector in the network policy, but I'm not entirely sure how to structure it.
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Flo
9 months ago
This seems like a straightforward question about the foundations of delivering great customer service. I'll carefully read through the options and choose the one that best fits the description in the prompt.
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Gladys
9 months ago
Hmm, I'm not sure about this. I'll have to review the regulations around transfers to high-risk countries.
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Paris
9 months ago
Ah, I see. Terminating and relaunching the instance could also be a good approach, as that would give us a fresh start. I'll have to weigh the pros and cons of each option.
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Queen
9 months ago
I'm not totally sure about this one. I know revenue bonds are different from general obligation bonds, but I'm not confident I fully understand the implications for repayment. I'll make an educated guess, but I may need to review this topic again before the exam.
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