思科认证工程师2022每日一练精选(09月22日)

1. [单选题]路由器上激活端口的命令是（）

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

2. [单选题]查看E0端口配置信息的命令是：()

A. show access-list
B. show ip route
C. show version
D. show interfacee0

3. [多选题]Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)

A. The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.
B. The DHCP Discover message uses UDP as the transport layer protocol.
C. The DHCP Discover message uses a special Layer 2 multicast address as the destination address.
D. The DHCP Discover message uses TCP as the transport layer protocol.
E. The DHCP Discover message does not use a Layer 2 destination address.
F. F. The DHCP Discover message does not require a transport layer protocol.

4. [单选题]下面对Cisco2621路由器和Cisco2501路由器描述中，错误的是（）

A. Cisco2621路由器的可扩展性优于Cisco2501路由器
B. Cisco2621是模块化路由器
C. Cisco2501上提供一个100Mbit/s的快速以太网端口
D. Cisco2501是固定端口的路由器

5. [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

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