请选出交换机处理帧的三种模式：()

【名词&注释】

路由器(router)、交换机(switch)、是什么(what is)

[多选题]请选出交换机处理帧的三种模式：()

A. 直通模式
B. 存储转发模式
C. 侦测模式
D. 分段模式
E. 阻塞模式

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学习资料：

[单选题]当拓扑信息完成交换，相邻路由器具有相同的LSDB时，下列哪项OSPF邻居状态是希望得到的()

A. 2-WAY
B. FULL
C. Exchange
D. Loading

[单选题]OSPF的度量值是什么()

A. 跳数
B. 接口开销
C. 矢量距离
D. 链路状态

[单选题]常见的LSA有几种类型()

A. 4
B. 5
C. 6
D. 7

[单选题]标准访问控制列表的数字标识范围是（）。

A. 1-50
B. 1-99
C. 1-100
D. 1-199

[单选题]路由器上激活端口的命令是（）

A. shutdown
B. no shutdown
C. up
D. noup

[多选题]Two stations on the Ezonexam LAN transmit at the same time, resulting in a collision. What happens when a collision occurs on the network? (Choose all that apply)

A. Each device on the Ethernet segment stops transmitting for a short time.
B. A jam signal informs all devices that a collision occurred.
C. When data transmission resumes, the devices that were involved in the collision have priority to transmit.
D. The devices that are involved in the collision stops transmitting for a short time.
E. The collision invokes a random back-off algorithm.

[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.

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