A Cisco router has been configured, and the copy running-config startup-config command has been issued. When the router is power cycled, the router prompts with: "Would you like to enter the initial configuration dialog? [yes/no]" Why has this occurred?（）

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  A . R1 can learn EIGRP routes from R2, but R2 cannot learn EIGRP routes from R1 B . R1 can send IP packets to R2, but R2 cannot send IP packets to R1 C . R2 no longer learns EIGRP routes from R1 for routes not connected to R1 D . R1 no longer replies to R2's Query messages E . R2n o longer sends to R1 Query message

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• A router has been configured with the commands router os pf 9, network 172.16.1.0 0.0.0.255 area 8, and network 172.16.0.0 0.0.255.255 area 9, in that order. No other OSPF -related commands have been configured. The answers list the IP addresses that could be assigned to this router‘s Fa0/0 interface.Which an swers list an IP address/prefix length that would cause the router to put Fa0/0 into area 9？（）

  A. 172.16.0.1/23 B. 172.16.1.1/26 C. 172.16.1.1/24 D. 172.16.0.255/23 E. None of the other answers is correct.

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