Which Cisco IOS command is used to advertise a default route into OSPF regardless of whether a default static route is configured?
A) ospf default-route advertise always
B) ospf advertise default-route permanent
C) default-information originate
D) default-information originate always
D
Explanation: D) When configured in OSPF router configuration mode, the default-information originate command will advertise a default route into OSPF as long as a static default route exists in the routing table; to eliminate this check, the always parameter can be added to this command.
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