BGP Quiz

Which of the following autonomous systems are private? (Choose two.)

• 64,512–65,534

• 65,000–65,534

• 4,200,000,000–4,294,967,294

• 4,265,000–4,265,535,016

Which BGP attribute must be recognized by all BGP implementations and advertised to other autonomous systems?

• Well-known mandatory

• Well-known discretionary

• Optional transitive

• Optional non-transitive

True or false: BGP supports dynamic neighbor discovery by both routers.

• True

• False

True or false: A BGP session is always one hop away from a neighbor.

• True

• False

True or false: The IPv4 address family must be initialized to establish a BGP session with a peer using IPv4 addressing.

• True

• False

Which command is used to view the BGP neighbors and their hello intervals?

• show bgp neighbors

• show bgp afi safi neighbors

• show bgp afi safi summary

• show afi bgp interface brief

How many tables does BGP use for storing prefixes?

• One

• Two

• Three

• Four

True or false: BGP advertises all its paths for every prefix so that every neighbor can build its own topology table.

• True

• False

Which BGP command advertises a summary route to prevent link-flap processing by downstream BGP routers?

• aggregate-address network subnet-mask as-set

• aggregate-address network subnet-mask summary-only

• summary-address network subnet-mask

• summary-address network mask subnet-mask

True or false: The IPv6 address family must be initialized to establish a BGP session with a peer using IPv6 addressing.

• True

• False