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單項(xiàng)選擇題

Which parameter is usedby GPRST unnelling protocol between GSNs to identify a PDP context？（）

A.NSAPI
B.TLLI
C.SAPI
D.TEID

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單項(xiàng)選擇題

Which of following interface are not using CCS7 protocol？（）

A.Gn
B.Gd
C.Gs
D.Gr

單項(xiàng)選擇題

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