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  3. Which sequence of actions will allow telnet traffic from a Ezonexam user’s PC to a router using TCP/IP? A. Connect the PC’s COM

Which sequence of actions will allow telnet traffic from a Ezonexam user’s PC to a router using TCP/IP? A. Connect the PC’s COM

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问题 Which sequence of actions will allow telnet traffic from a Ezonexam user’s PC to a router using TCP/IP?
A. Connect the PC’s COM port to the router’s console port using a straight-through cable.
B. Connect the PC’s COM port to the router’s console port using a crossover cable.
C. Connect the PC’s COM port to the router’s Ethernet port using a straight-through cable.
D. Connect the PC’s Ethernet port to the router’s Ethernet port using a crossover cable.
E. Connect the PC’s Ethernet port to the router’s Ethernet port using a rollover cable.
F. Connect the PC’s Ethernet port to the router’s Ethernet port using a straight-through cable.
G. None of the above
选项
答案D
解析 Explanation:
A crossover cable is used to directly connect a switch to a switch, a hub to a hub, a host to a host, or a host’s Ethernet port to a router’s Ethernet interface. If your Router’s interface is configured with IP addressing and telnet service is enabled you can log through the telnet program into your router.

Incorrect Answers:
A, B, C: The COM port is used for direct terminal connections to a router, via the use of terminal emulation programs such as hyperterminal.

E: A rollover cable is used to connect via a console connection.

F: A straight through cable would be used if there was a LAN switch or a hub in place, but when connecting to the router directly from a PC a cross over cable should be used.
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