1. [单选题]VLAN主干协议VTP的默认工作模式是()
A. 服务器模式
B. 客户端模式(client mode)
C. 透明模式
D. 以上三者都不是
2. [单选题]当在一个接口上使用ipaccess-group99in命令时,以下哪条关于所引用访问控制列表的描述是正确的()
A. 这个列表是编号型扩展ACL,检查离开接口的数据包
B. 这个列表是命名的扩展ACL,检查进入接口的数据包
C. 这个列表是编号型标准ACL,检查进入接口的数据包
D. 这个列表是命名的标准ACL,检查离开接口的数据包
3. [多选题]Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet? (Select two answer choices.)
A. Full-duplex Ethernet uses CSMA/CD to prevent collisions.
B. Half-duplex Ethernet uses a loopback circuit to detect collisions.
C. A full-duplex Ethernet card allows 20Mbps for data transmission.
D. Full-duplex Ethernet makes use of two pairs of wires for data.
E. An Ethernet hub can operate both half and full duplex simultaneously.
4. [单选题]当配置一个CISCO的路由器时,缺省的DR和BDR优先级是()。
B. 1
C. 16
D. 255
5. [多选题]Which of the following steps are necessary in order to add a new VLAN to the Ezonexam switched network? (Select all that apply)
A. Create the VLAN.
B. Name the VLAN.
C. Configure an IP address for the VLAN.
D. Add the desired ports to the new VLAN.
E. Add the VLAN to the VTP domain.