BGP

Question 1

What kind of routing protocol is BGP?

1. Distance Vector
2. Link State
3. Path Vector

Answer 1

3. Path Vector

Question 2

What is the differencebetween these connection types in BGP?

• Single Homed
• Dual Homed
• Single Miltihomed
• Dual Multihomed

Answer 2

Question 3

What is the eBGP AD Value?
What is the iBGP AD Value?

Answer 3

• 20
• 200

Question 4

What is an Automomous System (AS)

Answer 4

A partion of a large network (such at the internet) that are under a single administrative control.

Question 5

Is BGP a:

Internal Gateway Protocol (IGP)
or
Exterior Gateway Protocol (EGP)

Answer 5

Exterior Gateway Protocol (EGP)

Question 6

How does a Path Vector protocol make routing decisions

Answer 6

Least number of AS numbers transversed is the best path. Doesn’t pay attention to how many routers are involved.

Question 7

BGP config steps:

Answer 7

R1(config)# router bgp [my AS#]
R1(config-router)# neighbor [their directly connected router IP] remote-as [their AS#]
R1(config-router)# network [my network address] mask [that network’s subnet mask]