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SK0-003 · Question #309

An administrator has just installed a new NIC into the server. The system POSTs fine and the NIC is recognized by the OS, but it does not receive an IP address. Which of the following is the MOST like

The correct answer is C. The patch cable has not been seated properly.. When a newly installed network interface card (NIC) is recognized by the operating system but fails to acquire an IP address, the most probable cause is a problem with its physical network connection.

Troubleshooting

Question

An administrator has just installed a new NIC into the server. The system POSTs fine and the NIC is recognized by the OS, but it does not receive an IP address. Which of the following is the MOST likely cause of this?

Options

  • AThe NIC is not on the HCL.
  • BThe driver is incorrect on the server.
  • CThe patch cable has not been seated properly.
  • DThe NIC is not seated properly.

How the community answered

(37 responses)
  • A
    11% (4)
  • B
    8% (3)
  • C
    78% (29)
  • D
    3% (1)

Why each option

When a newly installed network interface card (NIC) is recognized by the operating system but fails to acquire an IP address, the most probable cause is a problem with its physical network connection.

AThe NIC is not on the HCL.

If the NIC were not on the Hardware Compatibility List (HCL), it might not be recognized by the OS at all or would exhibit driver-related errors, not just a failure to obtain an IP address once recognized.

BThe driver is incorrect on the server.

An incorrect driver might prevent the NIC from being recognized or functioning at all, but since the OS recognizes it, a fundamental physical connectivity issue is more likely than a driver preventing *only* IP address acquisition.

CThe patch cable has not been seated properly.Correct

If the patch cable is not properly seated, the physical link to the network switch or router cannot be established. Without a physical link, the NIC cannot communicate with a DHCP server to request an IP address, even if the NIC hardware and drivers are correctly recognized by the OS.

DThe NIC is not seated properly.

If the NIC were not seated properly in its slot, the server would likely not POST correctly, or the NIC would not be recognized by the OS in the first place.

Concept tested: Network troubleshooting physical layer

Source: https://learn.microsoft.com/en-us/troubleshoot/windows-server/networking/network-adapter-problems

Topics

#NIC installation#Network troubleshooting#Cable connectivity

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