Both bridges are switches are being used throughout the Ezonexam LAN. Which of the following statements are true regarding bridges and switches in this network?

(Choose 3)

A. Switches are primarily software based while bridges are hardware based.

B. Switches usually have a higher number of ports than most bridges.

C. Bridges are frequently faster than switches.

D. Bridges define broadcast domains while switches define collision domains.

E. Both bridges and switches forward Layer 2 broadcasts.

F. Both bridges and switches make forwarding decisions based on Layer 2 addresses.

网关的功能（）

A.过滤数据包

B.不同网段通信

C.校验数据帧

D.把数据封装成“段”

IGP是内部网关协议，BGP是外部网关协议。

此题为判断题(对，错)。

The 213.115.77.0 network was subnetted using a /28 subnet mask. How many usable subnets and host addresses per subnet were created as a result of this?

A. 2 networks with 62 hosts

B. 6 networks with 30 hosts

C. 16 networks and 16 hosts

D. 62 networks and 2 hosts

E. 14 networks and 14 hosts

F. None of the above

The IP network 210.106.14.0 is subnetted using a /24 mask. How many usable networks and host addresses can be obtained from this?

A．1 network with 254 hosts

B．4 networks with 128 hosts

C．2 networks with 24 hosts

D．6 networks with 64 hosts

E．8 networks with 36 hosts

Which of the following services use TCP? (Choose three)

A. DHCP

B. SMTP

C. SNMP

D. FTP

E. HTTP

F. TFTP

下面有关交换机的描述中，正确的是（）

A.所有交换机都支持VLAN功能

B.交换机端口数量最多为48口

C.交换机独占带宽

D.交换机端口的最大速率为100Mbit/s

What must the Ezonexam network administrator do in order to successfully configure a VLAN trunk between two switches named VE1 and VE2? (Select two answer choices)

A. Set each end of the trunk line to IEEE 802.1Q encapsulation.

B. Set the same VTP management domain name on both switches.

C. Set all ports on the two switched as access ports.

D. Configure one of the two switches as a VTP server.

E. Connect the two switches using a rollover cable.

F. Use a router to forward VTP traffic between the VLANs.

IP地址为：192.168.50.70，掩码为：255.255.255.248，则该IP和掩码结合，共划分了多少个子网（不包括全0子网和全1子网）（）

A.8

B.30

C.6

D.14

When is a switched network that is running the Spanning Tree Protocol considered to be fully converged?

A．when all switches have the same BID as the root switch

B．when all switches have received the MAC address of each neighboring switch

C．when every enabled switch port has been assigned a unique identifier

D．when every operating switch port is in either the blocking or forwarding state

E．when all switches are in either client, server, or transparent mode

配置访问控制列表必须做的配置是（）

A.设定时间段

B.指定日志主机

C.定义访问控制列表

D.在接口上应用访问控制列表