Channel that passes all spectral components with equal gain Phase The techniques used for small scale multipath measurements are, 1. B. C. Both a & b C. Encoders Number of bit errors during transmission Pitch detection is not required Type of modulation technique used 3. Ability of a user to access trunked system during busy hour Geometry of the object When mobile station moves in two cellular systems with different MSC 4. C. Coherence Bandwidth of the channel is equal to bandwidth of transmitted channel C. Low co-channel interference C. Bandwidth of the signal 2. D. 2 and 3 are correct, 63. Better speech quality 3. Half duplex mode C. Hybrid access protocol Increased capacity All the Multiple Choice Question and Answer (MCQs) have been compiled from the books of Data Communication and Networking by the well known author behrouz A forouzan. C. Voice message More storage required Week signal conditions C. One or more symbols transmitted between frequency hops Obstacles Telecommunication Mcqs With Answers PDF Download. It is vulnerable to timing problems, A. Frequency diversity Read More. B 7. Increasing the number of base stations & reusing the channels 4. b. C. Transceiver Fading due to large obstructions c. Low earth orbit satellites Short Messaging Service Fixed channel assignment C. 2 and 3 are correct 2 and 3 are correct b. d. PLL, 114)   In GSM Codec, the bits encoded for forward error correction are, a. Ia bits 2. Faster handoffs Inaccuracies in the mathematical analysis A directory of Objective Type Questions covering all the Computer Science subjects. B. 2. Spread spectrum sliding correlator channel sounding 4. c. Both a & b C 16. The traffic carried per cell divided by the bandwidth of the system and the area of a cell D. All of the above, A. Transmitter The increased capacity of SDMA is due to, A. The user is blocked When a fraction of assigned channel is reserved for handoffs, it is, A. B. d. All of the above, a. One or more symbols transmitted in time interval between frequency hops d. Each signal is modulated with frequency modulation technique, ANSWER: Different users in different time slots, 123)   In TDMA, the user occupies the whole bandwidth during transmission, a. Token ring Smart antennas pointing towards mobile stations D. Digital European Cellular Telephone, Ans:- Digital European Cordless Telephone, 5. d. All of the above, 52)   Interference in frequency bands may lead to, a. A short summary of this paper. 1.25 MHz C. Both a & b C. Noise produced during one complete iteration of algorithm b. c. Using different antennas D. Block transform coding, 105. You will get your online test score after finishing the complete test. Number of operations for one iteration of algorithm C. Expressed in Erlang /MHz /km2 c. Hand off d. All four are correct, 1. 3. Cross talk C. Communication in both directions at the same time d. Both a and c d. All of the above, 46)   In Mobile Assisted Handoff (MAHO), the handoff takes place when, a. At ElectronicsPost.com I pursue my love for teaching. Speech coders c. Is kept on waiting The wide band usage in CDMA helps in, 1. 4. B. 1, 2 and 3 are correct C. Galileo Galilei ... May 8th, 2018 - Multiple Choice Questions and Answers on Mobile Communication – Electronics Post Download Satellite communication systems and Microwave line of sight radio links 3. 2. b. Communication in single direction at a time d. Directly proportional to twice of Doppler spread, ANSWER: Directly proportional to Doppler spread, 145)   Types of small scale fading, based on Doppler spread are, a. These short objective type questions with answers are very important for Board exams as well as competitive exams. Ans:- Frequency modulation. 2. Sampling, Envelope detection, encoding, multiplexing b. D. All four are correct, 129. b. Linear filters Increases with square of the distance between the transmitter and receiver d. Both a and b d. Both a and b c. Propagation of call c. 2 and 4 are correct C or D 2. 1 and 4 are correct D. < 2 GHz, 10. 2. C. Frequency allocation of nearest cells d. All of the above, 58)   Distributed antenna systems are used at, a. Transmitters of mobile systems D. None of the above, 9. d. All are correct, a. c. 2 and 3 are correct In a fixed channel assignment strategy, if all the assigned channels are occupied, the call, A. Frequency planning is not required 38. c. Small coherence time of the channel as compared to the delay constraints Learn daily practice multiple choice questions and answers for Data Communication and Computer Networks ebooks pdf free download. Current signal sample is obtained from linear combination of past samples Frequency variations at the source d. Both a and b MULTIPLE CHOICE QUESTIONS WITH ANSWERS ON NETWORK. A 8. When mobile station moves between two cellular systems C. Dynamic channel assignment Hexagon shape is used for radio coverage for a cell because, A. Low efficiency due to guard intervals, 136. Temporary failure of message transfer 3. Time required for synchronization between the transmitter and the receiver B. Equalizer 1.25 MHz e. Both a and c, a. And, if you really want to know more about me, please visit my "About" Page. Gets transferred to another cell c. Pre emphasis, windowing, segmentation, filtering c. Large spectrum required B. d. 2 and 3 are correct, 63)   When a wave falls on a perfect conductor, a. 2. a) Noise b) Semantic problems c) Cultural barriers d) Over communication View Answer C. Large spectrum required 2 and 4 are correct b. B. D. All are correct, A. 200 KHz B. d. All four are correct, 129)   CDMA is advantageous over other Spread Spectrum techniques for, 1. More storage required Single user on multiple channels as per demand MCQ quiz on Mobile Communication multiple choice questions and answers on Mobile Communication MCQ questions on Mobile Communication objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. d. All of the above, ANSWER: Focusing radio energy towards ground, 60)   Diffraction, at high frequencies, depends upon, 1. D. None of the above, A. Coherence Bandwidth of the channel is more than bandwidth of transmitted channel Every user has assigned unique frequency slot d. Both a and b C. Decreasing the S/N ratio at the antenna input B. Ib bits 1)   The modulation technique used for mobile communication systems during world war II was, a. Amplitude modulation b. b. Queuing of handoffs 1 and 2 are correct Easier handoff B. Receiver d. < 2 GHz, 10)   Half duplex system for communication has, a. Communication in single direction A They require large antennas, have lower bandwidth and are difficult to manage in cells and frequency reuse schemes X B They require small antennas and have higher bandwidth 2. The traffic carried by whole network Mobile Identification Number c. Frequency allocation of nearest cells 3. c. 2 and 4 are correct B. Providing Guard channel b. c. Coverage zone approach Indirectly proportional to Doppler spread Demand assignment is possible C. High symbol rate 4. c. High symbol rate In TD-SDMA, there is a frame of _____milliseconds and the frame is divided into _____ time slots. Selected multiple-choice questions for Mobile Communications 1. Multiple versions of signals are transmitted at different time instants Wave is partially reflected and partially transmitted 2. C. The call gets blocked if all the channels of the cell are occupied c. Full duplex systems b. D. Both a and b Its ability to frequency reuse, a. b. B. Bellcore and Motorola C. Hopping rate greater than or equal to information symbol rate c. The channel spectrum C. 2 and 4 are correct Using same communication medium d. Multiple users with coding techniques, a. 3. The signal is transmitted using multiple channels Use of same frequency channel for same time slot Time dispersion, 153. d. PLL, 76)   In spread spectrum technique, the multiple users are assigned with, a. 2. D. Forward channel, A. Wireless concept of making calls Current signal sample is obtained from linear combination of past samples D. FSK. Phase b. c. Multiple users on multiple channels at different time slots B. Windowing, Pre emphasis, segmentation, filtering While handoffs, the termination of call may be avoided by, A. Data and signal Multiple Choice Question and Answer. Fixed assignment is possible 4. Noise developed at the receiver d. Both a and b b. b. c. 1, 2 and 4 are correct Missed calls d. All of the above, 14)   IMT-2000 is a digital mobile system that functions as, a. Pager B. D. dB/sec, 57. C. Low earth orbit satellites 3. D. All are correct, 61. C. Increased spectral efficiency c. Minimum time for change in magnitude and phase of the channel b. D. Sub-band coding, 104. 3. 1, 2 and 3 are correct 2. e. Both b and c, 14)   Increase in Co- channel reuse ratio indicates, a. Coherence Bandwidth of the channel is more than bandwidth of transmitted channel c. Galileo Galilei d. Both a and b are correct Multiple Choice Questions With Answers In Business Communication Author: media.ctsnet.org-Andrea Bergmann-2021-01-03-01-18-25 Subject: Multiple Choice Questions With Answers In Business Communication Keywords: multiple,choice,questions,with,answers,in,business,communication Created Date: 1/3/2021 1:18:25 AM b. When all of the radio channels are in use in a trunking system, A. Multiple carrier frequencies B. Receiver A 15. Calculations and analysis is increased Larger capacity c. The call gets blocked if all the channels of the cell are occupied Pitch detection is not required B. Avoids ISI Each user has unique PN code, A. Multiplexing is transmitting multiple signals over a single communications line or computer channel. e. Both a and c, a. Transversal filter Practice Multiple Choice Questions for Data Communication and Networking of computer awareness for SSC and banking exams. INFORMATION TECHNOLOGY QUESTIONS AND ANSWERS … PDF File: Information Technology Questions And Answers Multiple Choice – PDF-ITQAAMC-15LIOM-9 4/4. Avoids complex equalizers The preamble contains Address of base station and subscribers, 1. Each user is assigned unique frequency slots Cybernetic. Slow fading Multi transmission in one time slot, A. C. Un availability of the channel 3. Space diversity D. All four are correct, 1. Amplitude of the incident wave Current signal sample is independent of past samples C. MSC allocates the channel according to the predetermined algorithm 1 and 2 are correct Zero forcing algorithm C. Leakage of energy signals by non cellular systems into cellular frequency band Top Telecommunication Quizzes Trivia Questions amp Answers. D. All of the above, 58. b. b. Erlangs 2. TDMA is employed with a TDMA frame that has preamble. Frequency change, 89. Each cell is assigned a predetermined set of frequencies Frequency diversity Frequency band of the channel 4. C. Both a & b B. Communication in single direction at a time Time dispersion, 153)   Impulse response of a multipath channel is determined by the fact that, a. 4. Distance between the centers of the co channel cells Type of modulation technique used PDF | On Apr 2, 2013, mahendra Kumar published multiple choice questions on wireless communication | Find, read and cite all the research you need on ResearchGate 4G mobile communication, 1. Different phase, 152. Maximum radiated power available by the transmitter D. Hamming window, 113. Single transmission in one time slot Using same communication medium e. Both a and c are correct, A. b. C. 1, 2 and 3 are correct C. < 1 GHz 3. C. Maximum Likelihood Sequence Estimation, A. Frequency band of the channel B. Random access protocol 3. The test contains 11 questions and there is no time limit. Electronics and Communication Engineering Questions and Answers. 1, 2 and 3 are correct D. Both a and b D. 300 KHz, 21. C. Yagi uda antennas B. Omni directional antennas 2. 2. d. 116 users, a. 2. d. Both a and b are correct These Communication Objective Questions with Answers are important for competitive exams UGC NET, CAT, CMAT, GATE, IBPS Specialist Recruitment Test. Increase in delay d. Sub-band coding, 104)   The speech coding technique that is dependent on the prior knowledge of the signal is, a. Waveform coders Is an expression for noise power Focused signal transmitted into narrow transmission beams c. Quantizer d. None of the above, ANSWER: Communication in single direction at a time, a. B. Modulation technique Decision Feedback Equalization b. c. Part of energy gets absorbed D. Use of different time slot for different frequency channels, Ans:- Use of same frequency channel for different time slot, A. TDMA cellular systems d. Coder and decoders have predetermined set of codes, ANSWER: The residue of subtraction of generated and original signal is quantized at the transmitter, 111)   The speech sequence in GSM Codec consists of, a. Pre emphasis, segmentation, windowing, filtering b. Cheaper filters with less complicated logic functions D. Both b and c C 4. 3. 2. No, at this stage it is one-way communication b. These short solved questions or quizzes are provided by Gkseries. Frequency modulation C. ASK D. FSK. C. The queue may be provided 1 and 3 are correct D. All of the above, 34. The rainbow pattern seen on a CD is an example of, A. The interference between the neighboring base stations is avoided by, A. Assigning different group of channels You can answer the quiz questions by clicking on the "radio" buttons. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. B. Interacting with People – Multiple choice Questions (with answers) 28518 – Interact with People to provide support in a health or wellbeing ... a. d. All of the above, 99)   Waveform coders and Vocoders are the types of, a. 3. C. 2 and 4 are correct In a dynamic channel assignment strategy, A. D. All of the above, 36. Distance between the subscriber and the base station The channel allocated is not available c. Accommodating large number of users in limited spectrum 1, 2 and 4 are correct 2. d. Both a and c C. Estimation of transmitted signal, demodulation, correlator, bit decision d. None of the above, a. The signal is transmitted using multiple channels Increase in radio spectrum PDF | On Apr 2, 2013, mahendra Kumar published multiple choice questions on wireless communication | Find, read and cite all the research you need on ResearchGate D. All the three are correct, 72. A single, overall cost of capital is often used to evaluate projects because: a. 3. c. The mobile station has no signal The call is served by unused channels of the cell B. Pitch detection is not required, A. 24. D. Both a and c, Ans:- All incident energy is reflected back without loss of energy, A. Guard channel concept C. The wave gets refracted in the direction of source 3. b. c. More battery consumption Obstacles Rate of convergence Random frequency modulation Maximum radiated power available by the transmitter Wireless Communication Quiz Our quizzes are multiple choice questions. c. 1 and 4 are correct 3. D. All of the above, Ans:- The power received by the mobile station from other base station is more than the serving base station, 47. They are among low bit rate vocoders, a. 2. c. Both a & b c. Inputs and outputs of repeaters D. None of the above, A. b. B. c. Different spectrum and different PN code It rejects narrow band interference B. 3. B. D. None of the above, 43. The call is served by unused channels of the cell c. Irrespective of the location of the user 4. B. B. Queuing of handoffs Time synchronization problems e. Both b and c, 54. 1, 2 and 3 are correct When mobile station moves in two cellular systems with different MSC c. 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