单项选择题
A. Issue the command bandwidth 224 on the physical interface.
B. Issue the command bandwidth 56 on the physical interface.
C. Issue the command bandwidth 224 on each subinterface.
D. Issue the command bandwidth 56 on each subinterface.
单项选择题 Which statement is correct based upon the following output from the show command on RT1 ? （）
单项选择题 The following exhibit show s ipv6 route output. What would the metric be for a summary route that summarizes all three OSPFv3 routes displayed?（）
单项选择题 IS - IS creates and maintains adjacencies and neighbor relations by using the Hello protocol. For the following options, which are Hello packets used in IS - IS?（）
