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Unit 9 · Data Communication and Computer Networks Paper 2 CS · June 2023

Match List I with List II
List IList II
A. CDMAI. Provides mobile internet connection with faster data transfer rates
B. GSMII. Allows users to connect to a network or to other devices over a wireless channel
C. UMTSIII. Access mechanism for multiple transmitters over a single channel
D. WiFiIV. Cellular technology employing a hybrid of FDMA and TDMA

Pick an option to check yourself, or open the answer below.

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Correct answer: B. A-III, B-IV, C-I, D-II

Explanation

CDMA lets multiple transmitters share one channel (III). GSM uses a hybrid of FDMA and TDMA (IV). UMTS (3G) provides mobile internet at faster data rates (I). Wi-Fi connects devices over a wireless channel (II).

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