Computer Networking
You get a call from a network administrator who tells you that he typed the following into his router:Router (config) #router ospf 1Router (config-router) #network 10.0.0.0 255.0.0.0 area 0He tells you he still can't see any routes in the routing table. What configuration error did the administrator make?

The AS configuration is wrong.
The wildcard mask is incorrect.
The OSPF area is wrong.
The OSPF Process ID is incorrect.

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Computer Networking
The physical layer, in reference to the OSI model, defines

None of these
All of these
the interface between the X.25 network and packet mode device
the virtual circuit interface to packet-switched service
data link procedures that provide for the exchange of data via frames that can be sent and received

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