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

View solution

Q. Wireless data networks are not well supported by ___________

View solution

Q. Packet switching breaks each message into smaller units.

View solution

Q. Header specifies the ___________ of a new packet.

View solution

Q. The control field contains the ________

View solution

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

View solution

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

View solution

Q. X.25 protocols specify particular data rates.

View solution

Q. US cellular standard CDPD stands for _________

View solution

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

View solution

Q. Which of the following is true for CDPD?

View solution

Q. CDPD channel is _________

View solution

Q. CDPD transmissions are carried out using ________ blocks.

View solution

Q. MDLP is _________

View solution

Q. The layer protocol, RRMP stands for _________

View solution

Q. ARDIS is a public network service.

View solution

Q. RMD is a _______ and ________ data service.

View solution

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

View solution

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

View solution

Q. ISDN stands for ___________

View solution