OSPF

Question 1

What IP protocol number does OSPF operate on?

Answer 1

89

Question 2

What multicast address does OSPF use for all OSPF routers?

Answer 2

224.0.0.5

Question 3

What multicast address does OSPF use for DR/BDR routers?

Answer 3

224.0.0.6

Question 4

For OSPFv3, what’s the “all routers” multicast address?

Answer 4

FF02::5

Question 5

For OSPFv3, what’s the “all DR” multicast address?

Answer 5

FF02::6

Question 6

Which OSPF table is populated as a result of SPF calculations?

Answer 6

routing table

Question 7

What type of OSPF router is connected to an external non-OSPF domain?

Answer 7

ASBR

Question 8

Which OSPF packet type discovers neighbors and builds adjacencies between them?

Answer 8

Hello

Question 9

Which OSPF packet type requests specific LSAs from another router?

Answer 9

Link State Request (LSR)

Question 10

Which OSPF packet type acknowledges the other packet types?

Answer 10

LSAck

Question 11

Which OSPF packet type sends specifically requested LSAs?

Answer 11

Link State