單項(xiàng)選擇題

When troubleshooting a Frame Relay connection, what is the first step when performing a loopback test?（）

A.Set the encapsulation of the interface to HDLC
B.Place the CSU/DSU in local-loop mode
C.Enable local-loop mode on the DCE Frame Relay router
D.Verify that the encapsulation is set to Frame Relay

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多項(xiàng)選擇題

用來檢查到一臺(tái)主機(jī)的網(wǎng)絡(luò)層是否連通命令是（）。

A.PING
B.TRACERT
C.TELNET
D.IPCONFIG

多項(xiàng)選擇題

Which of the following are associated with the application layer of the OSI model (Choose two.)（）。

A.ping
B.Telnet
C.FTP
D.TCP
E.IP

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When troubleshooting a Frame Relay connection, what is the first step when performing a loopback test?（）

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用來檢查到一臺(tái)主機(jī)的網(wǎng)絡(luò)層是否連通命令是（）。

Which of the following are associated with the application layer of the OSI model (Choose two.)（）。

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用來檢查到一臺(tái)主機(jī)的網(wǎng)絡(luò)層是否連通命令是（）。

Which of the following are associated with the application layer of the OSI model (Choose two.)（）。