Cisco Exam Questions

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

Which show command will display only the Type 5 LSAs in the OSPF topology database?
Select the best response.

A.
show ip route

B.
show ip route ospf

C.
show ip ospf database summary

D.
show ip ospf database nssa-external

E.
show ip ospf database external

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” commanddisplays information only about the
not so stubby area (NSSA) external LSAs.