[单选题]Why might the Ezonexam network administrator set the configuration register to 0x2142 on a 2600 series Cisco router?

正确答案 ：B

To reset the console password

解析：解析：Explanation:

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

正确答案 ：D

Virtual LANs

解析：D 解析：Explanation:

[单选题]在OSPF的完全存根区域中，使用以下哪种LSAType报文或其它方式与区域间通信：（）

正确答案 ：D

默认路由：0.0.0.0

[单选题]路由器“特权模式”的提示符是：（）

正确答案 ：B

[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?

正确答案 ：C

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

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