单项选择题
When does a MS get IP address？（）
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
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相关考题
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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 -
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 -
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
