Q. Which of the following comes under supplementary ISDN services?

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Q. Which of the following memory device stores information such as subscriber’s identification number in GSM?

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Q. Which of the following feature makes impossible to eavesdrop on GSM radio transmission?

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Q. Which of the following does not come under subsystem of GSM architecture?

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Q. Which of the following subsystem provides radio transmission between mobile station and MSC?

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Q. ___________ manages the switching function in GSM.

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Q. __________ supports the operation and maintenance of GSM.

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Q. __________ carries digitally encoded user data.

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Q. ____________ carries signalling and synchronizing commands.

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Q. Which of the following is not a control channel of GSM?

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Q. Which of the following is the forward control channel that is used to broadcast information?

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Q. Which of the following channel does not come under CCCH?

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Q. Which of the following channel provides paging signals from base station to all mobiles in the cell?

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Q. ___________ is a reverse link channel used by a subscriber unit to acknowledge.

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Q. Which of the following channel is used by base station to provide forward link communication to mobile?

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Q. Which of the following burst is used to broadcast the frequency and time synchronization control messages?

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Q. Which of the following burst is used to access service from any base station?

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Q. Group of superframes in GSM is called multiframe.

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Q. US digital cellular system based on CDMA was standardized as ________

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Q. IS-95 was not compatible with existing AMPS frequency band.

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