CCNA系列認證CCNA(200-120)單項選擇題每日一練(2019.01.14)

來源：考試資料網(wǎng)

1 What occurs on a Frame Relay network when the CIR is exceeded?（）

2 Which command would you configure globally on a Cisco router that would allow you to view directly connected Cisco devices?（）

3 which command allows you to verify the encapsulation type (CISCO OR IETF) for a frame relay link?（）

4 Which term describes a spanning-tree network that has all switch ports in either the blocking or forwarding state?（）

5 What is one benefit of PVST+?（）