单项选择题
A. show session B. show cdp neighbors C. show users D. show queue
Which commands is necessary to permit SSH or Telnet acc...
单项选择题Which commands is necessary to permit SSH or Telnet access to a cisco switch that is otherwise configured for these vty line protocols?（）
A. transport type all B. transport output all C. transport preferred all D. transport input all
What is the OSPF default frequency,in seconds,at which ...
单项选择题What is the OSPF default frequency,in seconds,at which a cisco router sends hello packets on a multi-access network?（）
A. 10 B. 40 C. 30 D. 20
Which dose the frame-relay interface-dlci command confi...
单项选择题Which dose the frame-relay interface-dlci command configure?（）
A. remote DLCI on the main interface B. local DLCI on the main interface C. local DLCI on the subinterface D. remote DLCI on the subinterface
