单项选择题
Which logical channel is used to send RACH bust on uplink and TAs on downlink？（）
A.PDTCH
B.PTCCH
C.PACCH
D.PBCCH
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相关考题
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单项选择题
Which parameter is usedby GPRST unnelling protocol between GSNs to identify a PDP context？（）
A.NSAPI
B.TLLI
C.SAPI
D.TEID -
单项选择题
Which of following interface are not using CCS7 protocol？（）
A.Gn
B.Gd
C.Gs
D.Gr -
单项选择题
When a mobile of B class is on the state of standby，what MM information is registered in SGSN？（）
A.LAI
B.CI
C.RAI
D.None
