You wish to segment your LAN into multiple broadcast domains

【名词&注释】

路由器(router)、集线器(hub)、交换机(switch)、数据包(packet)、物理层(physical layer)、端口号(port number)、数据链路层(data link layer)、第三层(layer 3)、源地址(source address)

[单选题]You wish to segment your LAN into multiple broadcast domains. Which technology method should you implement in order to do this?

A. Transparent bridging
B. Cut-through switching
C. Fragment-free switches
D. Virtual LANs
E. Store-and-forward switching
F. F. None of the above

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举一反三：

[单选题]Ezonexam has implemented the use of the Virtual Trunking Protocol (VTP). Which statement below accurately describes a benefit of doing this?

A. VTP will allow physically redundant links while preventing switching loops
B. VTP will allow switches to share VLAN configuration information
C. VTP will allow a single port to carry information to more than one VLAN
D. VTP will allow for routing between VLANs
E. None of the above

[单选题]交换机工作在OSI七层模型的哪一层()

A. 物理层
B. 数据链路层^{(data link layer)}
C. 网络层
D. 传输层

[单选题]Which type of cable should be used to make a connection between the Fa0/0 port on a router and the Fa0/0 port switch?

A. Rollover cable
B. Console cable
C. Crossover cable
D. Straight-through cable
E. Serial cable

[单选题]扩展ACL和标准ACL的区别（）。

A. 标准的ACL在禁止和允许方面比扩展的ACL更高的精度
B. 扩展的ACL核查数据包的源地址^{(source address)}和目标地址和端口号
C. 他们都可以查端口号
D. 他们都可以查特殊协议和其他参数

[单选题]OSI七层模型中，传输层的数据封装名称为（）

A. 比特
B. 帧
C. 包
D. 段

[单选题]After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?

A. It will recall the previous command line
B. It will move the cursor one line up
C. It will redisplay the current command line
D. It will capitalize the command line
E. None of the above

[单选题]工作在OSI第三层^{(layer 3)}的设备是：()

A. 网卡
B. 路由器
C. 交换机
D. 集线器

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