CCNP系列認(rèn)證CCNP(642-311)單項選擇題每日一練(2019.01.11)

來源：考試資料網(wǎng)

1 Which is a legitimate bandwidth matched pair?（）

2 Scrambling of SONET signals is done to （）.

3 How is a Thin Film filter fabricated?（）

4 If node 2 is accepting line timing from node 1, node 2 will send （）to node 1 as its SSM message.

5 Why is an OC-3 2F-BLSR not feasible?（）