Which command displays the OSPF link-state database?
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Correct answer: show ip ospf database.
Why this is the answer
The show ip ospf database command is the correct command to display the OSPF link-state database (LSDB). This command provides a detailed view of all Link-State Advertisements (LSAs) known to the OSPF router, including their type, age, sequence number, and checksum. This information is crucial for understanding the OSPF topology and troubleshooting routing issues. show ip ospf link-state is not a valid Cisco IOS command. show ip ospf lsa database is also not a valid command. show ip ospf neighbors displays information about directly connected OSPF neighbors, not the entire LSDB.
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