OSPF Online Quiz (ENCOR, CCNP) - Networkwalks Academy

1. OSPF supports which authentication types for security? (Choose two)

MD4 Authentication

MD6 Authentication

Simple Password Authentication

MD5 Authentication

2. Which of below is the current version of OSPF for IPv4?

OSPFv5

OSPFv4

OSPFv2

OSPFv1

3. In Stub Area, no routes from other AS are allowed:

TRUE

FALSE

4. Which OSPF LSA Types are allowed in Backbone Area0 ?

LSA1, 2, 3, 4, 5

LSA1, 2, 3, 4

LSA1, 2, 3

LSA1, 2

5. Which one of below is valid command for OSPF Hello Timer modification?

R1(config)#ip ospf hello-interval 1

R1(config)#interface FastEthernet 0/0
R1(config-if)#change ip ospf hello-interval 1

R1(config)#interface FastEthernet 0/0
R1(config-if)#ip ospf hello-interval 1

R1(config)#interface FastEthernet 0/0
R1(config-if)#no ip ospf hello-interval 1

6. Which ones are valid OSPF neighbor states?

DOWN, INIT, 2-WAY

DOWN, INIT, 3-WAY

UP, INIT, 2-WAY

ABR, INIT, 2-WAY

7. Which type of OSPF Router is this?

IR (Internal Router)

ABR (Area Border Router)

ASBR (AS Border Router)

DR (Designated Router)

8. What is the OSPF Priority range?

0-200

10-255

0-255

0-100

9. Can we change the OSPF Reference Bandwidth if we want?

YES

10. Which criteria does OSPF use to find the best path?

Lowest total cost to the destination

Lowest delay

Highest bandwidth

Total bandwidth of the route

11. To become OSPF neighbors, OSPF routers must agree on:

Area ID

Hello Interval and Dead Interval

All other options

Subnet & Area Type

12. Which multicast address does the OSPF Hello protocol use?

224.0.0.5

224.0.0.9

224.0.0.7

224.0.0.8

13. Which Router connects Area0 to a non-backbone area?

ABR (Area Border Router)

ASBR (Autonomous system boundary router)

Area boundary router

BR (Backbone router)

14. Which type of OSPF Router is this?

IR (Internal Router)

ER (External Router)

ASBR (AS Border Router)

ABR (Area Border Router)

15. Which ones of these are valid OSPF Router Types?

IR, ABR, ASR9000

IR, ABR, ASBR, ASR

IR, ABR, ASBR

IR, ABR, Core

16. Which LSA types are allowed in OSPF Stub area?

LSA1, 2, 3, 4, 5

LSA1, 2, 3, 4

LSA0, 1, 2, 3

LSA1, 2, 3

17. Which Logical Port is used by OSPF?

OSPF uses IP Protocol 89 for Transport

OSPF uses TCP Port 80 for Transport

OSPF uses UDP Port 89 for Transport

OSPF uses IP Protocol 80 for Transport

18. Which type of OSPF Network/Interface is this?

Broadcast

NBMA – Non Broadcast

Point-Point

Non Broadcast

19. Which OSPF Packet Type is missing here?

ASBR

HELLO REPLY

DBD