While troubleshooting a connectivity issue from a PC you obtain the following information: Local PC IP address: 10.0.0.35/24 Default Gateway: 10.0.0.1 Remote Sever: 10.5.75.250/24 You then conduct the following tests from the local PC: Ping 127.0.0.1 – Successful Ping 10.0.0.35 – Successful Ping 10.0.0.1 – Unsuccessful Ping 10.5.75.250 – Unsuccessful What is the underlying cause of this problem?（）

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.