JN0-130單項(xiàng)選擇題每日一練(2019.01.14)

A customer's application requires 30 virtual paths on a four port OC3 card.
Which command allows this functionality?（）

You would like to configure an Ethernet interface with the following characteristics: Fast

Which set of configuration commands accurately completes this task?（）

Which command is used on the local router to invoke a loopback mode on a remote ERX Edge Router?（）