CISCO CCNA Exam – Q152

What OSPF command, when configured, will include all interfaces into area 0?

A. network area 0
B. network area 0
C. network area 0
D. network all-interfaces area 0

Correct Answer: A

Example 3-1 displays OSPF with a process ID of 1 and places all interfaces configured with an IP address in area 0. The network command network area 0 dictates that you do not care ( what the IP address is, but if an IP address is enabled on any interface, place it in area 0.