表示：串口 第二个大插槽/第二小插槽/第二个接口的是（ ） A: serial 0/0/0 B: serial 1/1/1 C: serial 2/2/2 D: serial 3/3/3

查看cisco路由器串口1的状态的配置命令是（）。 A: Ashow seriai 1 B: Bshow port serial 1 C: Cshow interfaces serial D: Dshow interfaces serial 1

路由器的serial2/0串行接口，一般开启的时钟频率是多少（） A: 3200 B: 6400 C: 64000 D: 128000

Which of the following is required to connect a partitioned p5-550 to a modem？（） A: A modem adapter B: An async adapter and serial cable C: An Ethernet adapter D: A 9-pin to 25-pin converter and serial cable

My wife complains that the television serial play is often interrupted by _____.

A steroid-enhanced all-star, a serial plagiarist, and a self-dealing political miscreant are examples of __________________ cheaters. A:

X-rays used to measure the progress of a disease are called ______ rays. A: repeated B: serial

CSIis a very popular_____. A: serial B: sequence C: run D: series

CSIis a very popular_____. A: serial B: sequence C: un D: series

当学生A用两台R2624路由器在做路由器广域网口连通实验时误将本端路由器V.35线缆的插头插倒了。结果发现ping直连的路由器不通，请问此时查看本端路由器的状态应该是：（ ） A: Serial 0 is up, line protocol is up B: Serial 0 is up, line protocol is Down C: Serial 0 is Down, line protocol is Down D: Serial 0 is Down, line protocol is up