單項選擇題The SCTP layer in the C7 signalling protocol stack is responsible for which of the following:（）
A. Establishing a signaling channel between two signaling entities in an ATM network
B. Provide reliable connection for signaling between two IP signaling nodes
C. Provide routing for IP signaling messages in an IP signaling network
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1.單項選擇題What is the name of the protocol that is used between the MSC Server and the M-MGw?（）
A.ISUP
B.MAP
C.GCP
2.單項選擇題What would be the effect of reducing the parameter PILTIMER?（）
A. It will become easier to preempt PDCH:s for the CS domain
B. RPP CP Load will decrease
C. GSL device utilization will go down
3.單項選擇題Which one of the following parameters will influence the GSL device utilization the most:（）
A.PILTIMER
B.ALPHA
C.CSPSPRIO
4.單項選擇題Which GPRS coding scheme gives the highest throughput at C/I=12?（）
A.CS-1
B.CS-2
C.CS-3
D.CS-4
5.單項選擇題Which unit is the BSC perform the LAPD signalling and Inband signalling(64kpbs).（）
A.GS
B.SRS
C.TRH
D.TRAU
