CCNA Routing and Switching Practice Exam

Which area is reserved as backbone area in OSPF?

Area 1000

Area 0

Area 0.0

Area 0.1

Which multicast address does OSPF used to send routing information?

224.0.0.6

224.0.0.12

224.0.0.5

224.0.0.1

What does DRO stands for in OSPF?

Direct route

DROTHER

Direct Route OTHER

Which multicast address does OSPF use to send hello packets?

224.0.0.18

224.0.0.5

224.4.0.4

224.0.0.5

What will be the summarized address of three static routes?

192.1.97.0

192.1.96.0/22

192.1.100.0

192.1.99.0/26

How much time it will take to elect DR BDR in OSPF?

10 sec

3 sec

40 sec

60 sec

How can you identify router ID?

The highest IP address on the logical interface become router ID

The lowest IP address on the physical interface become router ID

The lowest IP address on the loopback interface become router ID

The highest IP address on the physical interface become router ID

Which one is the correct command to check OSPF? (choose two)

#show ospf

#show ip ospf

#show ip ospf neighbour

#show ip ospf interface

How many types of routers that control OSFP?

OSPF is

Classless routing

Classfull routing

Class support routing

Cass network routing

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