1. [单选题]路由器上端口fa0/0,其最大传输速率是（）Mbit/s
A. 128
B. 10
C. 100
D. 1000
2. [多选题]Which of the following are types of flow control? (Choose three)
A. Buffering
B. Cut-through
C. Windowing
D. Congestion avoidance
E. Load balancing
3. [多选题]There are 2 switches in the Ezonexam LAN, with no routers. Ports 1, 2 & 3 are assigned to VLAN 1 in switch 1 and 2 and ports 4, 5 & 6 are assigned to VLAN 2 in both switches. These two switches are connected together via a trunked link. Which of the conditions below would verify trunk and VLAN operation? (Select all valid answers)
A. Host 1 on VLAN 1 can ping Host 2 on VLAN 1
B. Host 1 on VLAN 1 can ping Host 4 on VLAN 2
C. Host 1 on VLAN 1 can not ping Host 2 on VLAN 1
D. Host 4 on VLAN 2 can not ping Host 1 on VLAN 1
E. Host 4 on VLAN 2 can ping Host 2 on VLAN 2
4. [单选题]EIGRP的管理距离（）
A. 90
B. 100
C. 110
D. 120
5. [单选题]在OSI七层模型中，介质工作在哪一层()
A. 传输层
B. 会话层(session layer)
C. 物理层
D. 应用层
