WHICH TWO STATEMENTS ARE TRUE FOR OSPF HELLO PACKETS

3. Which two statements are true for OSPF Hello packets? (Choose two.)

• They negotiate correct parameters among neighboring interfaces.

• They are used for dynamic neighbor discovery.

• They use timers to elect the designated router with the fastest link.

• They are received from all routers on the network and used to determine the complete network topology.

• They are used to maintain neighbor relationships.