Which OSPF network statement will correctly include all the interfaces on a device that begin with an IP address of 172.16.0.0/16?
A) network 0.0.16.172 255.255.0.0 area 0
B) network 172.16.0.0 0.0.255.255 area 0
C) network 172.16.0.0 255.255.0.0 area 0
D) network 0.0.16.172 0.0.255.255 area 0
B
Explanation: B) The concept of a wildcard mask often confuses those new to Cisco networking and should be practiced until it is clear how it works. For this example, 172.16.0.0 0.0.255.255 will include all interfaces on a device that begin with an IP address of 172.16.x.x.
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