请各位帮帮忙！！！急急！！！
1. what are two valid reasons that require an IBGP router to be peered
with all IBGP routers within an AS?(choose two)
A. IBGP routes are not propagated to other EBGP peers.
B.IBGP routes that a router originates are propagated to other IBGP pees
C.IBGP routes are propagated to other IBGP speakers in the AS that are not peers
D. IBGP routes that are learned from an IBGP neighbor are propagated to
only EBGP peers
2.
A router that usually only has IBGP peering with one other router
a.nonclient
b.client
3.A router that has that has full IBGP peering with other router
with same type
a.nonclient
b.client
请赐教答案是什么？
