2. 计算机
  3. While troubleshooting a connectivity issue from a PC you obtain the following information: Local PC IP address: 190.0.3.35/24 De

While troubleshooting a connectivity issue from a PC you obtain the following information: Local PC IP address: 190.0.3.35/24 De

admin2009-05-19  35
问题 While troubleshooting a connectivity issue from a PC you obtain the following information:
Local PC IP address: 190.0.3.35/24
Default Gateway: 190.0.3.1
Remote Server: 190.0.5.250/24

You then conduct the following tests from the local PC:
Ping 127.0.0.1 - Unsuccessful
Ping 190.0.3.35 - Successful
Ping 190.0.3.1 - Unsuccessful
Ping 190.0.5.250 – Unsuccessful

What is the underlying cause of this problem?
选项 A、TCP/IP not correctly installed
B、Local physical layer problem
C、NIC not functioning
D、Remote physical layer problem
E、None of the above
答案A
解析 Explanation:
Every Windows based PC uses the 127.0.0.1 as the local loopback IP address. Every PC will respond to this local IP address if the TCP/IP stack is correctly installed and running on the machine. If you cannot ping the loopback address of 127.0.0.1, then something is wrong with the TCP/IP protocol stack.
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