A network administrator is implementing OSPF in a portion of the network and must ensure that only specific routes are advertised via OSPF. Which network statement would configure the OSPF process for networks 192.168.4.0, 192.168.5.0, 192.168.6.0, and 192.168.7.0, now located in the backbone area, and inject them into the OSPF domain?

A network administrator is implementing OSPF in a portion of the network and must ensure that only specific routes are advertised via OSPF. Which network statement would configure the OSPF process for networks 192.168.4.0, 192.168.5.0, 192.168.6.0, and 192.168.7.0, now located in the backbone area, and inject them into the OSPF domain?

• r1(config-router)# network 192.168.0.0 0.0.0.255 area 1
• r1(config-router)# network 192.168.4.0 0.0.3.255 area 1
• r1(config-router)# network 192.168.4.0 0.0.15.255 area 1
• r1(config-router)# network 192.168.0.0 0.0.3.255 area 0
• r1(config-router)# network 192.168.4.0 0.0.3.255 area 0
• r1(config-router)# network 192.168.4.0 0.0.255.255 area 0

Explanation: The network 192.168.4.0 0.0.3.255 area 0 command has the correct network and wildcard mask combination to capture the four networks and activate the associated interfaces for area 0.

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