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A.RAM
B.ROM
C.Memory
D.Recycle-bin

A.display all
B.display ip interface
C.display system-information
D.display diagnostic-information

A.display running
B.display software
C.display version
D.display current-version

A.time
B.clock
C.clock datetime
D.set datetime

A.get
B.put
C.download
D.load

A.display boot
B.display begin
C.display startup
D.display start-configuration

A.中間網(wǎng)絡(luò)路由配置不對
B.Telnet密碼設(shè)置不正確
C.路由器Telnet服務(wù)沒有啟動
D.中間網(wǎng)絡(luò)阻止了PC對路由器的TCP端口23發(fā)起連接

A.display history-cli
B.display history-area
C.display history-command
D.display history-cache

A.dir
B.pwd
C.path
D.current-path