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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Q. As VLR is fast to access, VLR avoids frequent accessing of ________ .

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Q. In a GSM architecture, which system provides Authentication and Encryption services?

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Q. In a GSM architecture, which system stores the IMEI numbers of all working mobile phones under the network?

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Q. What are the types of lists maintained by EIR (Equipment Identification Register)?

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Q. Choose a correct statement about EIR list of IMEIs.

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Q. Mobile calls to or from Fixed Networks (Landlines) are handled by ________ .

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Q. Each cell in a GSM network has

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Q. A group of cells in a GSM network has a _________ number.

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Q. A single MSC or VLR can have many ______ .

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Q. Total area served by one network operator is called ______ .

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Q. What is DTX or Discontinuous Transmission in a GSM network?

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