A container deployment in a VKS environment fails with an 'unauthorized: authentication required' error when pulling an image from a private registry. What is the most likely cause?

The registry's TLS certificate is untrusted

The container image tag does not exist in the registry

The registry credentials are incorrect or expired

The registry is unreachable from the VKS cluster

A container deployment in a vSphere Supervisor namespace fails with a 'CrashLoopBackOff' status. What is the most appropriate first step to diagnose this issue?

Confirm the Supervisor cluster has sufficient storage capacity

Check the container logs for application-level errors

Validate the trusted CA certificate for the container registry

Verify the container image is present in the local registry

A container deployment to a vSphere Supervisor namespace fails with an ImagePullBackOff error. The image is stored in a private registry. The administrator verifies the registry credentials are correct and the registry is reachable. What should the administrator check next?

The container image's entrypoint is correct

The namespace's resource quota is not exceeded

The Supervisor cluster's DNS is configured correctly

The image pull secret is correctly configured and referenced

A container deployment in a vSphere Supervisor namespace fails with an 'ImagePullBackOff' error. The image is stored in a private registry. Which configuration is most likely to be incorrect?

The namespace's network policy settings

The Kubernetes secret containing registry credentials

The container's resource limits configuration

The Supervisor cluster's DNS server settings

A container deployment to a vSphere Supervisor namespace fails with an ImagePullBackOff status. The image is stored in a private registry. The administrator verifies the registry is reachable from the management network. What is the most likely cause of the failure?

The container image is too large to be pulled within the default timeout

The namespace is not configured with the registry credentials as a Kubernetes secret

The namespace has exceeded its resource quota

The Supervisor cluster's DNS server is not configured

VMwareVCAP-VCF Support

Domain 4Objective 2

Troubleshoot Container Deployment, Registry, and Trusted CA Errors VCAP-VCF-SUPPORT Practice Questions (Page 3)

Part of the vSphere Supervisor and VKS Troubleshooting domain, which makes up ~11% of our current practice bank.

16questions here

4free pages

3concepts

Questions 11–15

11foundation · easy
A container deployment in a VKS environment fails with an 'unauthorized: authentication required' error when pulling an image from a private registry. What is the most likely cause?
Select an answer first
12foundation · easy
A container deployment in a vSphere Supervisor namespace fails with a 'CrashLoopBackOff' status. What is the most appropriate first step to diagnose this issue?
Select an answer first
13application · medium
A container deployment to a vSphere Supervisor namespace fails with an ImagePullBackOff error. The image is stored in a private registry. The administrator verifies the registry credentials are correct and the registry is reachable. What should the administrator check next?
Select an answer first
14foundation · easy
A container deployment in a vSphere Supervisor namespace fails with an 'ImagePullBackOff' error. The image is stored in a private registry. Which configuration is most likely to be incorrect?
Select an answer first
15application · medium
A container deployment to a vSphere Supervisor namespace fails with an ImagePullBackOff status. The image is stored in a private registry. The administrator verifies the registry is reachable from the management network. What is the most likely cause of the failure?
Select an answer first

Finished these 5 questions?

Review the revealed explanations, or continue through the curriculum.

Next 5 questions →Back to VCAP-VCF-SUPPORT

Free Basic Practice is a study aid with revealable answers — not a scored exam. Examers.io is independent and not affiliated with or endorsed by VMware. “VCAP-VCF-SUPPORT” is a trademark of its owner, used for identification only.