BGP Quiz: How Does The Internet Route?

1. BGP route reflectors are used to reduce the number of iBGP connections. True or False?

True

False

Submit

3. Which BGP attribute is used primarily to prevent routing loops?

Weight

AS Path

Local Preference

Origin

Submit

5. What does the 'established' state mean in a BGP peer relationship?

The router has discovered a BGP neighbor

TCP connection is established and neighbors exchange capabilities

Routes are being exchanged between peers

The peer relationship has been configured but not activated

Submit

7. Which statement about BGP convergence is true?

BGP converges faster than OSPF in all scenarios

BGP can take several minutes to converge after topology changes

BGP uses hello messages to detect neighbor failures instantly

BGP convergence time is independent of network size

Submit

10. What is route dampening in BGP?

A method to suppress unstable routes from being advertised

A technique to increase routing table size

A process to encrypt routing updates

A way to prioritize external routes over internal routes

11. What is the primary purpose of BGP in modern networks?

To route packets within a single autonomous system

To exchange routing information between autonomous systems

To manage IP address allocation

To encrypt data across network boundaries

12. Which of the following best describes route aggregation in BGP?

Combining multiple routes into a single, less specific route

Splitting one route into multiple specific routes

Removing routes with the longest AS path

Prioritizing routes based on neighbor relationships

13. What is the default local preference value for routes learned via iBGP?

0

50

100

200

14. EBGP establishes connections between routers in different autonomous systems. True or False?

True

False

Submit

16. What does an AS Path represent in BGP?

The number of hops to reach a destination

The sequence of autonomous systems a route traverses

The bandwidth available on a link

The cost of routing through a specific interface

17. Which BGP attribute has the highest priority in path selection?

AS Path length

Weight (Cisco-specific)

Local preference

Multiple exit discriminator

18. What is an autonomous system (AS) in BGP terminology?

A group of routers that run OSPF

A collection of networks under single administrative control

A virtual private network segment

A router that operates independently without updates

19. BGP uses which transport protocol for establishing peer connections?

UDP port 179

TCP port 179

ICMP

TCP port 80

20. Which layer of the OSI model does BGP operate at?

Layer 2 (Data Link)

Layer 3 (Network)

Layer 4 (Transport)

Layer 7 (Application)

BGP Quiz: How Does the Internet Route?

1. BGP route reflectors are used to reduce the number of iBGP connections. True or False?

2.

What first name or nickname would you like us to use?

2. BGP is considered a path-vector routing protocol because it tracks the full ____ to each destination.

3. Which BGP attribute is used primarily to prevent routing loops?

4. BGP uses a hold timer to detect peer failures. The default hold timer is typically ____.

5. What does the 'established' state mean in a BGP peer relationship?

6. A BGP speaker is a router that ____.

7. Which statement about BGP convergence is true?

8. BGP advertisements are called ____.

9. The MED (Multi-Exit Discriminator) attribute is typically used to influence routing decisions in ____.

10. What is route dampening in BGP?

11. What is the primary purpose of BGP in modern networks?

12. Which of the following best describes route aggregation in BGP?

13. What is the default local preference value for routes learned via iBGP?

14. EBGP establishes connections between routers in different autonomous systems. True or False?

15. IBGP is used to exchange routes between routers within the same ____.

16. What does an AS Path represent in BGP?

17. Which BGP attribute has the highest priority in path selection?

18. What is an autonomous system (AS) in BGP terminology?

19. BGP uses which transport protocol for establishing peer connections?

20. Which layer of the OSI model does BGP operate at?