Q. What is the interface between one VLR to other MSC VLRs?

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Q. What is the interface between HLR and AUC?

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Q. What is the interface between MSC and GMSC?

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Q. What is the interface between MSC Server and MGW which are part of MSC?

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Q. What is the interface between BSC and SGSN (Serving GPRS Serving Node)?

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Q. What is the interface between SGSN and Internet Server?

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Q. What is the interface between SGSN and GGSN(Gateway GPRS Serving Node)?

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Q. What is the interface between GGSN and Internet Server?

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Q. What is the interface between GGSN and HLR?

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Q. What is the interface between SGSN and SMS-GMSC?

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Q. The interfaces Gf and Sv are between SGSN and _____ .

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Q. What is the total number of Carrier Frequencies that can be formed in a 25MHz band width of either Uplink or Downlink of GSM?

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Q. What is the spacing between each carrier frequency to avoid interference and crosstalk?

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Q. In GSM-1800 band, the total number of Carrier Frequencies are

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Q. Each Carrier frequency is divided or shared among _______ number of channels.

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Q. In a GSM-900 Band, what is the duplex spacing between uplink and downlink channels?

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Q. In a GSM-1800 Band, what is the duplex spacing between downlink and uplink channels?

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Q. What is the name of a single transmission burst that lasts for only 0.577ms in a GSM TDMA frame?

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Q. What is the duration of a GSM TDMA Frame?

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Q. What are the types of Logical channels in a GSM Structure or Architecture?

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