Restart or Recover Failed VKS Upgrades VCAP-VCF-VKS Practice Questions (Page 2)

Questions 6–10

1. 6application · medium

   During a VKS cluster upgrade, the operation fails and the VKS UI shows the error: 'Failed to reconcile the cluster: unable to update the cluster spec'. The administrator needs to determine whether the failure occurred before or after the control plane components were updated. Which log source should the administrator examine to make this determination?

   • AThe VKS upgrade controller logs on the Supervisor Cluster.
   • BThe container runtime logs (containerd) on the control plane VM.
   • CThe kube-apiserver audit logs on the VKS cluster control plane VM.
   • DThe vSphere ESXi host logs for the VM where the control plane is running.
   Reveal Solution Discussion Select an answer first
2. 7expert · hard

   A VKS cluster upgrade from v1.27 to v1.28 failed mid-way through the control plane update. The kube-apiserver on the first control plane VM was updated, but the second control plane VM still runs the old version. The cluster is now in a split-version state, and the API server is intermittently unavailable. The administrator needs to restore the cluster to a functional state with minimal downtime. What is the BEST course of action?

   • ARoll back the first control plane VM to the previous version using a snapshot.
   • BDelete the second control plane VM and let VKS recreate it with the target version.
   • CRestore the entire cluster from a backup taken before the upgrade.
   • DRestart the upgrade, allowing VKS to complete the update of the remaining control plane VM.
   Reveal Solution Discussion Select an answer first
4. 8foundation · easy

   What is the recommended first step to safely restart a failed VKS upgrade?

   • ADelete the cluster and recreate it with the new version
   • BRe-run the upgrade command from the beginning
   • CRestore the cluster from a backup and then upgrade
   • DManually apply the new version to each node
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   Before restarting a failed VKS upgrade, what should you verify to ensure a safe re-initiation?

   • AThat the cluster has sufficient storage capacity
   • BThat the cluster is in a healthy state
   • CThat the upgrade logs show no errors
   • DThat the upgrade bundle is still available
   Reveal Solution Discussion Select an answer first
6. 10application · medium

   A VKS administrator is troubleshooting a failed upgrade. The upgrade logs show that the failure occurred during the 'Upgrade control plane' step, but the logs do not specify the exact cause. The administrator needs to gather more information to determine the root cause. Which additional log source should the administrator check?

   • AThe kube-apiserver logs on the control plane VM.
   • BThe VKS UI audit logs.
   • CThe worker node logs for the cluster.
   • DThe vSphere Client logs for the control plane VM.
   Reveal Solution Discussion Select an answer first