A.8
B.16
C.31
D.32

A.GGSN
B.HLR
C.CG
D.Firewall

A.3
B.4
C.6
D.8

A.50000
B.100000
C.200000
D.300000

A.独立工作
B.主备份
C.负荷分担
D.多机冷备份

A.openview
B.bind
C.Nectar
D.a_gprs

A.iolan
B.Lan/io
C.lsn
D.Lan/ip

A.iolan
B.Lan/io
C.lsn
D.Lan/ip

A.1
B.2
C.3
D.4

A.Mobility management
B.Session management
C.Address translation
D.measurement

A.Ethernet
B.Fast Serial
C.E1
D.T1