Q. Which of the following is true for ATM?

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Q. ATM supports unidirectional transfer of data.

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Q. The data unit of ATM is ___________

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Q. ATM cells have fixed length of __________

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Q. Which of the following is not a service offered by SS7?

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Q. Which of the following service is called CLASS?

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Q. Which of the following service of SS7 provides call return, call forwarding?

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Q. Alternating billing service uses CCS network.

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Q. SS7 was first developed by _______

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Q. Which of the layer of OSI is associated with NSP of SS7?

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Q. The function of _______ is to transfer and deliver signalling network.

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Q. Signalling data functions are provided by __________

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Q. _________ provide procedures that transfer messages between signalling nodes.

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Q. Which of the following does not include in SS7 user part?

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Q. The TCAP part in SS7 refers to ________ layer of OSI.

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Q. PCS/PCN provides only wired communication.

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Q. Concept of PCS/PCN is based on _________

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Q. AIN has different telephone numbers for both wireline and wireless services.

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Q. Circuit switching has more advantage than packet switching for PCS.

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Q. ______ is used for transmission of packets in the cellular switched architecture.

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