[单选题]关于OSPF中DR的说法不正确的是（）

正确答案 ：B

如果某路由器优先级比DR优先级高，但启动晚，它会抢占原来的DR自己成为DR

[单选题]You are given a PC, a router, and a cable. Select the correct combination that will allow you to log into router VE1 locally using a terminal emulation program such as HyperTerminal.

正确答案 ：B

Connect the PC's COM port to the router's console port using a rollover cable.

解析：B 解析：Explanation:

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