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Answer Posted / vipul agarwal
msc has following databases:
1)EIR:(equipment identity register).this is used to store the imei no of the mobile equipment
2)HLR:(home location register).this is used to store the subscriber number details permanently
3)VLR:(visitor location register):it is a temporary database of the subscriber
4)AUC:(authentication center);all the authentication are performed here
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