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SK0-005 · Question #623

An administrator is monitoring a web server and notices that it is not showing as up. During the previous night's maintenance window, the 1GB NIC was replaced with a 10GB NIC. When the administrator…

The correct answer is C. The technician did not properly remove the old NIC configuration. When a NIC is replaced, leftover configurations from the old NIC can cause conflicts, leading to network connectivity issues like "Destination host unreachable" despite services running.

Troubleshooting

Question

An administrator is monitoring a web server and notices that it is not showing as up. During the previous night's maintenance window, the 1GB NIC was replaced with a 10GB NIC. When the administrator checks the server, the web service is running. The administrator pings the server and receives the following output:

Destination host unreachable Which of the following is the most likely issue?

Options

  • AThe default gateway on the new NIC is incorrect.
  • BThe firewall is blocking ICMP.
  • CThe technician did not properly remove the old NIC configuration.
  • DThe core switch has a routing issue.

How the community answered

(50 responses)
  • A
    2% (1)
  • B
    16% (8)
  • C
    74% (37)
  • D
    8% (4)

Explanation

When a NIC is replaced, leftover configurations from the old NIC can cause conflicts, leading to network connectivity issues like "Destination host unreachable" despite services running.

Topics

#NIC configuration#Network troubleshooting#Server hardware replacement#OS network settings

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