Q. Connectionless services are also called __________

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Q. First generation cellular systems provide connectionless services for each voice user.

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Q. Wireless data networks are not well supported by ___________

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Q. Packet switching breaks each message into smaller units.

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Q. Header specifies the ___________ of a new packet.

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Q. The control field contains the ________

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Q. Circuit switching provides greater efficiency in comparison to circuit switching.

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Q. __________ was developed by CCITT to provide standard connectionless network access protocols for three layers of OSI model.

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Q. X.25 protocols specify particular data rates.

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Q. US cellular standard CDPD stands for _________

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Q. CDPD is data service for third generation US cellular systems.

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Q. Which of the following is true for CDPD?

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Q. CDPD channel is _________

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Q. CDPD transmissions are carried out using ________ blocks.

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Q. MDLP is _________

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Q. The layer protocol, RRMP stands for _________

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Q. ARDIS is a public network service.

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Q. RMD is a _______ and ________ data service.

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Q. The MSC provides subscriber access to the PSTN via the _______

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Q. ________ controls the switching of messages between nodes in the CCS network.

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