正确答案: C

Cisco2501上提供一个100Mbit/s的快速以太网端口

题目：下面对Cisco2621路由器和Cisco2501路由器描述中，错误的是（）

解析：C

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举一反三的答案和解析：

[单选题]路由器上，清空路由表的命令是（）

clearip route*

[单选题]为了使配置私有IP的设备能够访问互联网，应采用的技术是()

NAT

[单选题]要把交换机的配置文件保存到tftp服务器，应使用的命令为（）

copy running-configt ftp

[多选题]What are two characteristics of "store and forward" switching? (Select two answer choices)

The switch receives the complete frame. before beginning to forward it.

Latency through the switch varies with frame. length.

解析：解析：Explanation:

[单选题]在OSPF的DR/BDR选举过程中，在路由器有相同的接口优先级情况下，什么用于确定DR或BDR（）

路由器ID

[单选题]You want to upgrade the Ezonexam LAN so that all ports operate in full duplex mode. Which statement is true about full-duplex Ethernet when comparing to half-duplex Ethernet?

Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth

[单选题]备份路由器IOS的命令是：()

copy flash tftp