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Linux Foundation KCSA Exam - Topic 4 Question 10 Discussion

A cluster is failing to pull more recent versions of images from k8s.gcr.io. Why may this be?
D) The container image registry k8s.gcr.io has been deprecated.
B) There is a bug in the container runtime or the image pull process.
A) There is a network connectivity issue between the cluster and k8s.gcr.io.
C) The authentication credentials for accessing k8s.gcr.io are incorrectly scoped.

Linux Foundation KCSA Exam - Topic 4 Question 10 Discussion

Actual exam question for Linux Foundation's KCSA exam
Question #: 10
Topic #: 4
[All KCSA Questions]

A cluster is failing to pull more recent versions of images from k8s.gcr.io. Why may this be?

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Suggested Answer: D

by Lajuana at Jan 29, 2026, 04:03 AM

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Lang
1 month ago
I disagree, it could also be a misconfigured service account.
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Merilyn
1 month ago
Wait, are you sure it's not just a caching issue?
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Phung
2 months ago
Definitely a permissions problem with the GCR.
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Karl
2 months ago
I think it might be a network issue.
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Nathan
2 months ago
Check if the imagePullPolicy is set to Always.
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Annice
2 months ago
Have you tried turning it off and on again? That usually fixes everything.
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Marvel
2 months ago
I heard the registry is down for maintenance. That's probably why the cluster can't pull the images.
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Gregoria
3 months ago
Maybe the cluster's DNS resolution is not working properly, preventing it from resolving the registry's hostname.
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Weldon
3 months ago
Have you checked the firewall settings? It could be blocking the outbound traffic to the registry.
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Billi
3 months ago
The cluster might be experiencing network connectivity issues to the k8s.gcr.io registry.
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Ty
3 months ago
What if the images have been deleted or moved? I feel like that was mentioned in a similar scenario we practiced.
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Krystal
3 months ago
I'm not entirely sure, but I think there might be authentication issues with the GCR. We covered that in class.
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Winifred
4 months ago
Could it be a network issue? I think I saw a practice question about connectivity problems with GCR.
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Hyman
4 months ago
I remember something about image pull policies; maybe it's set to "IfNotPresent" and not pulling the latest?
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Dean
4 months ago
Ah, I've seen this before. It's probably a caching issue. I'll try clearing the node's image cache and see if that resolves the problem.
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Paris
4 months ago
I'm a bit confused on this one. Could it be a problem with the Kubernetes version or the container runtime? I'll need to double-check the cluster's configuration.
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Johnetta
5 months ago
Okay, let's think this through. It's likely a problem with the image registry itself. Maybe the registry is down or the cluster doesn't have the right credentials. I'll start by checking the registry status.
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Peggie
5 months ago
Ugh, I'm not sure about this one. Could it be a permissions problem with the image pull secret? I'll have to review the cluster's image pull policy.
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Luann
5 months ago
Hmm, this could be a DNS issue or a network connectivity problem. I'll need to check the cluster's network settings and see if I can ping the registry.
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