Implementing Cisco IP Routing (CCNP ROUTE, legacy) — Question 115

Which ospf area prevent LSA type 4, LSA type 5? (Choose two.)

Answer options

• A. Not so stubby
• B. Total stubby
• C. Stubby area BC

Correct answer:

Explanation

The correct answers are B and C. A Total Stubby area does not allow LSA type 4 and LSA type 5, effectively preventing external routes from being advertised. A Stubby area can also block these LSAs, but a Not So Stubby area allows LSA type 5, hence it is not a valid choice.