A.CS-1 B.CS-2 C.CS-3 D.CS-4
单项选择题Which unit is the BSC perform the LAPD signalling and Inband signalling(64kpbs).（）
A.GS B.SRS C.TRH D.TRAU
单项选择题How many paging requests can, at the most, fit into one paging block?（）
A.10 B.20 C.4 D.60 E.80
