Computer Networking
What does a VLAN do?

Breaks up broadcast domains in a layer 2 switch internetwork.
Provides multiple broadcast domains within a single collision domain.
Acts as the fastest port to all servers.
Provides multiple collision domains on one switch port.

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

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