A technician is troubleshooting a host connectivity problem. The host is unable to ping a server connected to Switch_A. Based on the results of the testing, what could be the problem（）。A、A remote physical layer problem exists.B、The host NIC is not functioning.C、TCP/IP has not been correctly installed on the host.D、A local physical layer problem exists.
A technician is troubleshooting a host connectivity problem. The host is unable to ping a server connected to Switch_A. Based on the results of the testing, what could be the problem（）。
- A、A remote physical layer problem exists.
- B、The host NIC is not functioning.
- C、TCP/IP has not been correctly installed on the host.
- D、A local physical layer problem exists.
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