单项选择题
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
Which command can be a router to verify the layer 3 pat...
单项选择题Which command can be a router to verify the layer 3 path to a host?（）
A. traceroute address B. tracert address C. ssh address D. telnet address
