Exam 2V0-16.25 Topic 4 Question 51 Discussion

Actual exam question for VMware's 2V0-16.25 exam
Question #: 51
Topic #: 4
An administrator is tasked to install a new VMware ESX host to an existing cluster. When the installation is completed, the host is not able to be reached from the vCenter.
When testing the host's management network, the default gateway, primary DNS, and secondary DNS are all unreachable, and the host name cannot be resolved. The VLAN for the management network is set correctly and the adapters are all connected.
What is the first step in troubleshooting this connectivity issue?

Suggested Answer: A Vote an answer

When a newly installedESX hostcannot be reached and all basic network tests (gateway, DNS, hostname resolution) fail:
* Thefirst troubleshooting stepis to confirm that themanagement network TCP/IP configuration(IP address, subnet mask, default gateway, DNS servers) is correct.
* If this is misconfigured, the host will not communicate with vCenter or resolve names.
* B. Verify DVS configuration in vCenter# Requires host connectivity first.
* C. Reinstall ESX# Too drastic without confirming networking basics.
* D. Disconnect/reconnect cable# Less likely since VLANs/adapters are reported as connected.
References:
VMware vSphere 9.0 Documentation -Troubleshooting ESXi Network Connectivity VMware KB: ESXi Management Network Troubleshooting

by Ivy at May 05, 2026, 03:36 AM

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