Border gateway protocol

On what does BGP base the selection of the best path?

• speed

• AS routing policy

• number of routers to reach a destination network

• bandwidth plus delay

Which routing method best describes BGP?

• distance vector

• link-state

• path-vector

• hybrid of link-state and distance vector

Which condition are valid reasons to run BGP in an AS?

• The AS is an ISP.

• The AS has only a single connection to another AS.

• Path and packet flow manipulation is required in this AS.

• You have a limited understanding of BGP routing and route filtering

Which BGP message establishes a BGP session and carries the hold time and the BGP router ID

• BGP update message

• BGP keepalive message

• BGP open message

• BGP notification message

Which characteristic is true for BGP?

• supports VLSM

• is an IGP

• is not used for routing between autonomous systems

Which statement is true for BGP route advertisements and path selection?

• BGP selects the best path based on speed.

• BGP routers exchange attributes

• BGP paths are not loop-free

Which protocol does BGP use?

• UDP port 520

• TCP port 179

• IP protocol number 88

• IP protocol number 89

Which component does a BGP update contain?

• multiple paths and multiple networks

• a single path and multiple networks

• a single path and a single network

• multiple paths and a single network

Which BGP message is sent when an error condition is detected?

• BGP update message

• BGP keepalive message

• BGP notification message

• BGP error message

Which term refer to routers that are configured to exchange BGP information with

one another?

• BGP peer

• BGP speaker

• BGP router