单项选择题
A.After MS finishes GPRS attach B.After MS finishes PDP context activate procedure C.After MS requests RA update D.After MS finishes Cell update
Old SGSN can get new SGSN’s IP address by communicating...
单项选择题Old SGSN can get new SGSN’s IP address by communicating to （） when a MS requests inter_SGSN RA update.
A.MS B.GGSN C.DNS D.HLR
SGSN gets GGSN’s IP address by communicating to （） when...
单项选择题SGSN gets GGSN’s IP address by communicating to （） when a MS makes PDP context activation.
A.PAPU B.HLR C.MS D.DNS
After GPRS attach，SGSN will assign an identity to ident...
单项选择题After GPRS attach，SGSN will assign an identity to identify the MS，what’s it？（）
A.TMSI B.P-TMSI C.TLLI D.IMSI
