Q3,paper 2, dec 12.The GSM network is divided into the following three major systems :

(A) SS, BSS, OSS
(B) BSS, BSC, MSC
(C) CELL, BSC, OSS
(D) SS, CELL, M
Answer(A)
Explanation.
The GSM network can be broadly divided into:
• The Mobile Station (MS)
• The Base Station Subsystem (BSS)
• The Network Switching Subsystem (NSS)
• The Operation Support Subsystem (OSS)