You are unable to telnet to a router at address 203.125.12.1 from a workstation with the IP address 203.125.12.23. You suspect that there is a problem with your protocol stack. Which of the following actions is most likely to confirm your diagnosis?（）A、ping 127.0.0.0B、ping 203.125.12.1C、telnet 127.0.0.1D、ping 127.0.0.1E、tracert 203.125.12.1
You are unable to telnet to a router at address 203.125.12.1 from a workstation with the IP address 203.125.12.23. You suspect that there is a problem with your protocol stack. Which of the following actions is most likely to confirm your diagnosis?（）
- A、ping 127.0.0.0
- B、ping 203.125.12.1
- C、telnet 127.0.0.1
- D、ping 127.0.0.1
- E、tracert 203.125.12.1
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