.
1 G
2 G
3 G
4 G
Global Security Management
Graded System for Mobile Communication
Global System for Mobile Communication
Graded Security Management
True
False
True
False
ME, SIM, BSC & MSC
ME, SIM & BSC
ME & NSS
ME & SIM
BSC
BTS
MSC
MS
HLR
VLR
AUC
EIR
Abis Interface
A Interface
Um Interface
None of the above
Check-connect
Lock-key
Challenge-response
Connect-disconnect
Intra-BTS handover
Inter-BTS Intra BSC handover
Inter-BSC handover
Inter-MSC handover