Free 3V0-13.26 sample questions

Correct answer: esxcli vsan cluster list

The `esxcli vsan cluster list` command provides detailed information about the cluster membership seen by the local host, including the UUIDs of all members in the current partition. This allows the engineer to identify exactly which hosts are communicating and which are isolated. `esxcli vsan debug object list` shows object states but not host partitioning details directly.

Correct answer: Traceflow

Traceflow is the dedicated NSX tool designed to inject synthetic packets into the network and trace their path through logical switches, gateways, and firewalls, reporting the outcome at each hop (e.g., dropped, forwarded, encapsulated).

Correct answer: kubectl get pods -n prelude

VCF Automation runs its services as Kubernetes pods within the 'prelude' namespace. The standard command to list these pods and their status is `kubectl get pods -n prelude`. While `vracli` commands exist, checking pod status directly provides the granular details needed for troubleshooting a specific service failure like 'Ebont'.

Correct answer: vCenter Server 'Namespaces' Summary

The vCenter Server 'Namespaces' (or Workload Management) summary page provides the direct health status of the Supervisor Cluster, including the status of the Control Plane VMs. If the control plane is unhealthy, new TKG clusters cannot be provisioned. Checking this summary is the most direct initial troubleshooting step.

Correct answers: The One-Time Password (OTP) expired before the initial connection was established.; Port 443 is blocked outbound from the Cloud Proxy to the VCF Operations cluster.

If the Cloud Proxy is not configured within the validity period of the OTP (usually 24 hours), the trust establishment fails, and it will appear offline or never connect.

The Cloud Proxy initiates the connection to the VCF Operations cluster (or SaaS endpoint). If outbound HTTPS (Port 443) is blocked by a firewall, the proxy cannot register or send heartbeats.

Correct answer: vSAN Backend vs Frontend Latency

Comparing Frontend Latency (latency observed by the VM) with Backend Latency (latency at the disk group level) helps isolate the issue. High Backend Latency suggests physical disk contention or issues, while high Frontend Latency with low Backend Latency suggests queueing in the DOM owner or network layer.