Practice Quiz in Wire and Wireless Communications System Part 24

This is the Online Practice Quiz in Wire and Wireless Communications System Part 24 as one of the Communications Engineering topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Examination Questions in Electronic System and Technologies, Communications Books, Journals and other Communications References.

Continue Part XXIV of the Online Practice Quiz

Quiz in Wire and Wireless Communications System Question 231. In the GSM system, a "smart card" containing all user information, which is inserted into the phone before use. A. IMSI B. IMEI C. IMTS D. SIM Question 232. When a single cell is subdivided into smaller cells, the process is called A. Cell division B. Cell sharing C. Cell splitting D. Cell reuse Question 233. It is the process in which the same set of frequencies can be allocated to more than one cell, provided that the cells are separated by a sufficient distance A. frequency reuse B. handoff C. clustering D. radio survey Question 234. How wide is the spectrum bandwidth of a single GSM carrier? A. 16 kHz B. 200 kHz C. 100 kHz D. 50 kHz Question 235. It is a digital telephone exchange located in the MTSO that is the heart of a telephone system A. mobile switching center B. electronic switching center C. gateway switching center D. electronic mobile switching center Question 236. What determine the size of the cell? A. The area terrain B. The area population C. The number of MTSOs D. All of these Question 237. A class II mobile phone using AMPS has an ERP of A. –6 dBW B. –4 dBW C. 2 dBW D. 6 dBW Question 238. In a cellular radio, the duplexer is a A. Ferrite isolator B. Waveguide assemble C. Pair of TR/ATR tubes D. Pair of sharp bandpass filters Question 239. The master control center for a cellular telephone system is the A. Cell site B. Mobile telephone switching office C. Central office D. Branch office Question 240. A metropolitan area of 1000 square km is to be covered by cells with a radius of 2 km. How many cell sites would be required, assuming hexagonal cells? A. 72 B. 73 C. 74 D. 75

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