BGP Overview

BGP informs other Autonomous Systems about : (Multiple answers may apply)

A. - Changes to ISP topology
B. -  Adding/Removal of AS's
C. - New users

The number of IPv4 routing entries in the Internet is now around

A. - 300,000
B. - Two billion
C. - 100,000

Which of the following protocols are IGPs? (Multiple answers may apply)

A. - ISIS
B. - OSOS
C. - ISPF
D. - OSPF
E. - IPv4
F. - BGP
G. - None of the above

Why aren't IGP s used to connect Autonomous Systems? (Choose 3)

A.- IGP s don’t scale very well
B.- Routers running an IGP will constantly update each other when a link goes down
C.- Routers will share all network information with other ISP s if connected through an IGP
D.- IGP s are slow to converge
E.- All of the above

BGP uses what to create different service level agreements?

A. - Routing policies
B. - Routing tables
C. - Routing neighbors

The performance of BGP is not affected by port flapping inside an Autonomous System

A. - FALSE
B. - TRUE
C. - None

What is the correct meaning of Port Flapping?

A- The port is being reconfigured
B.- The port is administratively shut down
C.- The state of the port goes up and down multiple times

What is the role of Transit Network?

A. - Provides connectivity between VPN's
B. - Allows traffic from other AS's to pass through itself.
C. - Does not allow traffic between other AS's to flow through it.

What is the role of Multihomed Network?

A. - Provides connectivity between VPN's
B. - Allows traffic from other AS's to pass through itself.
C. - Redundancy purposes, Does not allow traffic between other AS's to flow through it.

What is the role of MPLS Backbone?

A. - Provides connectivity between VPN's
B. - Allows traffic from other AS's to pass through itself.
C. - Does not allow traffic between other AS's to flow through it.

What is IP address used for?

A. - Used to identify and locate a device in an IP Network
B. - Used to identify a network
C. - Protocol used to define addressing

What is IP prefix used for?

A. - Used to identify and locate a device in an IP Network
B. - Used to identify a network
C. - Protocol used to define addressing

What is IPv4 used to?

A. - Used to identify a network
B. - Protocol used to define addressing
C. - Used to identify and locate a device in an IP Network