You want to save adjacency formation time between two routers participating in OSPF, as well as reduce the size of the OSPF link-state database. How would you accomplish these tasks?
A. Configure a virtual link.
B. Specify a designated router.
C. Specify a backup designated router.
D. Define a point-to-point connection.
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the correct answer is B , just read question again , it’s tricky question
save adjacency formation time between two routers participating in OSPF so Specify a designated router. is solution also it’s reduce size OSPF .
Read again buddy! You want to save adjacency formation time between TWO routers. A point-to-point connection will skip DR elections entirely, and as “Incorrect” commented, there will be no Type 2 LSAs flooded for that link.
D is most definitely correct.
Specifying the DR on a broadcast link does not help reduce the size of the OSPF LSDB, nor does it speed up neighbourship as the WAIT timer will need to still expire prior the OSPF DR/BDR election. The correct answer is D
Using P2P network-type will ensure no Type 2 LSAs are used and prevent the DR/BDR election as it’s not needed on P2P link types
Agreed! D