1. [多选题]下列哪一设备工作时，要用到OSI的七个层（一层到七层）（）
A. PC
B. 网管机
C. WEB服务器
D. 交换机
E. 路由器
2. [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
3. [单选题]Study the Exhibit below carefully:London#show vtp
A. VTP Version: 2
B. Configuration Revision: 0
C. Maximum VLANs supported locally: 64
D. Number of existing VLANs: 5
E. VTP Operating Mode: Client
F. VTP Domain Name: London
G. VTP Pruning Mode: Disabled
H. VTP V2 Mode: Disabled
I. VTP Traps Generation: Disabled
J. Based on the information given above, what is the VTP function of this particular switch?
K. Learn and save VTP configuration in the running configuration.
L. Create and change VLANs.
M. Forwards information about VTP configuration.
N. VTP is disabled on this device.
O. VTP is not saved to NVRAM.
4. [多选题]The LAN needs are expanding at the Ezonexam corporate office, which is quickly growing. You are instructed to enlarge the area covered by a single LAN segment on the Ezonexam network.Which of the following are layer 1 devices that you can use? (Choose all that apply.)
A. A switch
B. A router
C. A network adapter card
D. A hub
E. A repeater
5. [单选题]路由器下“特权用户模式”的标识符是：()
A. >
B. !
C.
D. (config-if)
