Which show command will display only the Type 5 LSAs in the OSPF topology database?

A.
show ip ospf database external

B.
show ip ospf database nssa-external

C.
show ip route ospf

D.
show ip ospf database summary

E.
show ip route

Explanation:
The “show ip ospf database external” command displays information only about external LSAs
(Type 5 LSAs).
Below is an example of the “show ip ospf database external” command
Notice the line “LS Type: AS External Link”, which means LSA Type 5. For your information, the
“Link State ID: 143.105.0.0 indicates the network being advertised; the “Advertising Router:
10.187.70.6 indicates the router that originated this LSA.
Note:
+ The “show ip ospf database summary” command displays information only about the summary
LSAs. + The “show ip ospf database nssa-external” command displays information only about the
not so stubby area (NSSA) external LSAs.