Q. Each Mobile Terminal is identified by a unique ______ number.

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Q. IMEI stands for

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Q. Each SIM is identified by a unique _____ number.

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Q. IMSI stands for

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Q. Your mobile number is actually called ______ number.

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Q. IMSI number of a SIM is also called

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Q. What controller a group of BTS or Cell Towers?

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Q. How many digits of PIN (Personal Identification Number) is allowed to protect a SIM card?

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Q. What is PUK code of a SIM?

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Q. The only element that personalises a Mobile Station is _______.

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Q. What is the maximum number of Transceivers a BTS can handle is ?

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Q. What are the functions of a BSC?

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Q. What is the main function of NSS?

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Q. What is the name of the database that stores subscriber information under an MSC and his eligible services?

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Q. What is the name of a database used mainly that stores information of a subscriber along with eligible services under roaming or another MSC area?

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Q. Covering area of an MSC is also called ____

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Q. Usually, VLR contains a copy of data of ______

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Q. Between VLR and HLR, which one is used mostly allow or bar services to the user?

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Q. State true or false.
The area under one MSC or HLR is also the area under one VLR.

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Q. Usually, VLR is part of _____ .

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