A) TDMA B) CDMA C) FDMA D) FGMA, 16. Strong signal strength results in more reliable connections and higher speeds. 7. These short solved questions or quizzes are provided by Gkseries. 44. Some adapters use a scale of 0-60, and others 0-255. The simplest measurement, practically always available in every wireless device, is the received signal power or RSS. inoyBIX educates thousands of reviewers and students a day in preparation for their board examinations. What’s another name for Wi-Fi? A type of distortion a facsimile produce when it becomes out of synchronization? A device used to measure speech volume. So … Web Security and forensics MCQs 2. Throughput, propagation speed, and propagation time ,wavelength of a frequency MCQs. RG-B8 cable has a loss of about ______ dB at cellular frequencies up to 15 ft. length. (July 2010)Relay without delay channel. A digital identification associated with a cellular system. What is the standard voice channel spacing? These short solved questions or quizzes are provided by Gkseries. Top 20 MCQs on the Fundamentals of .Net Framework, How to Achieve More Sales with Call Recording Software, Top 20 Multiple Choice Questions on Reasoning in AI, Top 20 Multiple-Choice Questions on Wireless LAN, Top 20 Objective Questions on Wireless Data Transmission, Solved MCQ on Client-Server Computing set-1, Computer Networks MCQ Questions with Answer set-8, 20 MCQ Questions on Knowledge Representation in AI, Top 20 MCQ Questions on Problem-Solving in AI, Top 20 MCQ Questions on Antennas and Propagation | InfoTechSite. Squelch circuits may be used in wireless microphones stay away from replicating the noise when enough signal is not received. Present before adjustments can be made, B. DC, but may have either polarity positive DC. Attenuation, distortion, and noise MCQs. The impedance of the quarterwave transformer used to match a 600 Ω line to a 300 Ω load is, 50. A device that converts a 2-wire circuit to a 4-wire circuit. Rayleigh fading. ANSWER: The power received by the mobile station from other base station is more than the serving base station Shannon capacity MCQs. Shannon capacity MCQs. In ………….. The higher the noise level, the more likely hood of degraded strength and performance for your wireless signal strength. Explanation: No explanation is available for this question! The desired signal strengths will vary, based on the requirements for the network. A) True, False B) False, True C) False, False D) True, True. A. 4. Internet MCQs . The maximum intelligibility for voice frequency is located between, 3. D) circuit switching. Supervisory Audio Tone (SAT) has _______ frequency. 34. Throughput, propagation speed, and propagation time ,wavelength of a frequency MCQs. 17. A triple conversion superheterodyne receiver, diode mixer stages are, A. A passive _________ is an electronic device which reduces signal strength by a specified amount in dB. 45. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. MCQ in Wire and Wireless Communications. Since the parameters associated with these components are slowly varying, the fading coefficients can be accurately predicted far ahead. 21. A) 2G system. Also explore over 27 similar quizzes in this category. How many simultaneous calls does a DECT radio transceiver can assess at any given time? ______ theory is deciding between a set of hypothesis when given a collection of imperfect measurements. GSM architecture divides cells into a number of types for frequency efficiency. A piece of wire with a thick insulating material that serves to protect the conductive materials from damage in the event the wire is dropped. 42. A. Coaxial cableii. Digital signal levelsiii. MicrowaveA) i and ii onlyB) ii and iii onlyC) i and iii onlyD) All i, ii and iii, 9. B. Kullback principle of minimum discrimination, 29. Write down the exact formula for the resulting model. 26. Fading of the received radio signals in a mobile communication environment occurs because of ….. A) Direct propagation B) Multipath Propagation C) Bi-path Propagation D) None of the above, 13. The resistance limit for No. WIFI MCQs Read Next: Top 20 Objective Questions on Wireless Data TransmissionRead More: Computer Networking MCQ Questions Collections. A) Licensed area. The circuit is used to suppress the unwanted channel noise when there is no reception by the receiver. The extent to which these factors affect the transmission depends upon the environmental conditions and the mobility of the This is the power ratio in decibels (dB) of the measured power referenced to one milliwatt. What is the power output of Personal Communication System (PCS)? RSSI (Received Signal Strength Indicator) is a common measurement, but most WiFi adapter vendors handle it differently, as it isn't standardized. A piece of wire used in a local area network in one building, B. C. A line or circuit interconnecting several situations. Spectrum ,bandwidth of a signa MCQs. Cause a herringbone pattern in facsimile. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. 28. Data rate depends upon which of the following factors?i. Broadcast Televisioniii. The noise level indicates the amount of background noise in your environment. Which of the following is/are the applications of wireless communication?i. All rights reserved. Signal levels will attenuate more the further you get from the source of the signal, so try moving closer to your Wi-Fi router to see if the signal level increases. Because of wave cancellation effects, the instantaneous received power seen by a moving antenna becomes a random … 46. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. How many simultaneous calls does each DECT system can support? a) If the channels i n each cell are all ocated to the users within the cell, it will be called a s fixed channel a ssignment. These short objective type questions with answers are very important for Board exams as well as competitive exams. PART 2: MCQ from Number 51 – 100 Answer key: PART 2. State whether True of False. Computer Network MCQs for Lecturer Test. Subscribe to our mailing list and get interesting stuff and updates to your email inbox. D) 3.5G system. A) A mobile Unit B) A cell Site C) A mobile Telephone Switching Office D) All of the above 2. _______ is selecting the best value of a parameter from a continuum of possible values when gives a collection if imperfect measurements. Following is the list of multiple choice questions in this brand new series: P 18. It is simple to install.ii. 13. Explanation: A URL (Uniform Resource Locator) is a database connection that describes the database's location on a computer network and the retrieval process. For example, -41dBm is better signal … Shuseel Baral is a web programmer and the founder of InfoTechSite has over 8 years of experience in software development, internet, SEO, blogging and marketing digital products and services is passionate about exceeding your expectations. Wireless keyboard and mouseii. Here you can access and discuss Multiple choice questions and answers for various competitive exams and interviews. Theoretical and empirical models are used to translate the difference (in dB) between the transmitted signal strength (assumed known) and the received signal … A directory of Objective Type Questions covering all the Computer Science subjects. Free download in PDF Wireless Communication Multiple Choice Questions and Answers for competitive exams. 8. Answer: (b) URL. The maximum speed of the 4g network is about 300mbps or more, but such speed is only achievable in well-controlled laboratory environments. C) packet switching. PART 3: MCQ from Number 101 – 150 Answer key: PART 3. Which of the following is/are the examples of unguided transmission media?i. 2 Crossbar Exchange (US) is. In a relay-without-delay channel (RWD), each transmitted relay symbol can depend on relay's past as well as present received symbols. 3. 1) The area covered by one Transmitter in a GSM network is called _____? 18. This section is empty. The _______ in an FM receiver causes a stronger signal to dominate over a weaker signal on the same frequency. The basic GSM is based on ____________________ traffic channels. MCQ quiz on Wireless Communication multiple choice questions and answers on wireless communication MCQ questions quiz on wireless communication objectives questions with answer test pdf. The closer the value to 0, the greater the noise level. Radio is the transmission of signals by the modulation of Increase the radio power If you find that an SAW filter output is 6 dB down from the input of a receiver during test, ______, 37. Read Also: Top 20 Multiple-Choice Questions on Wireless LAN, 1. State whether True of False. 27. Pingback: Top 20 MCQ Questions on Antennas and Propagation | InfoTechSite. MULTIPLE CHOICE QUESTIONS – WIRELESS COMMUNICATION 1. How many seconds does facsimile transmit a stranded page? 14. – Represent average values (local mean power of area within several meters) • In general received signal strength is proportional to d-n – n: path-loss exponent – k: constant – n=2 ~ 8 in typical propagation scenarios – n=4 is usually assumed in cellular system study • Example: Free-space model –P r … The ________ of radio receiver amplify weak signal and produce a desirable intelligence at the output speaker. Explanation: The rate of data transfer or speed of the 4G network is approximately 100mbps, which is 20 times faster than that of 3G networks. In wireless communication systems, the direct signal and the reflected signals form an interference pattern resulting in a received signal given by the sum of these components. Home » Communications » Questions and Answers » Wire and Wireless Communications ». 10. TACS is a cellular system with ______ channels. ... • Received signal strength (RSS) influenced by – Fading – signal weakens with distance received power proportional to 1/d² (d = distance between sender and receiver) – Frequency dependent fading – signal weakens with increase in f A) True, False B) False, True C) False, False D) True, True, 14. Frequency-domain graph plots MCQs. B) 3G system. Text and integers are examples of digital data.A) i-True, ii-TrueB) i-True, ii-FalseC) i-False, ii-TrueD) i-False, ii-False, 7. The AGC voltage of a radio receiver is always _______. 4. C. An undesired self-sustained oscillation in a system, generally caused by excessive positive feedback. Based on the consideration that in general the further away the node, the weaker the received signal, it is possible to obtain an estimate of the distance between two nodes (ranging) by measuring the RSS. PART 1: MCQ from Number 1 – 50 Answer key: PART 1. B. 20. we respect your privacy and take protecting it seriously, Questions and Answers in Wire and Wireless Communications, Series of Multiple Choice Questions in Electronics Systems and Technologies, Pinoybix Elex is officially on Google Play | First of …, Complete List of Reviewers to Pass Engineering Board Exam, MCQ in Professional Education Part 12 | Licensure Exam for …, MCQ in Professional Education Part 11 | Licensure Exam for …, MCQ in Professional Education Part 10 | Licensure Exam for …, MCQ in Professional Education Part 9 | Licensure Exam for …, MCQ in Professional Education Part 8 | Licensure Exam for …, MCQ in Transmission Considerations in long distance network, MCQ in Reference Equivalent and Standards, MCQ in Connection and Performance of Wire and Wireless Communications. Which mode is used for installing networks in wireless communication device characteristics? Mobile Communication Multiple Choice Questions with Answers for competitive exams. 6 Best Ways To Improve Your Security Strategy, Top 20 MCQ Questions on ADO.Net Architecture, 5 Ways Businesses Can Adopt Artificial Intelligence(AI), Top 20 Multiple Choice Questions on .NET Fundamentals. Which of the following is/are the advantages of microwave transmission?i. Combination of madulator, channel, and detector. A line designed to withstand high pressure. i) The cells or subdivisions of a geographical area are always hexagonal. 32. A) Directional Antenna B) One to One Antenna C) Propagation Antenna D) Single Direction Antenna. At the moment, Pinoybix has become one of the most trusted engineering review sites helping thousands of aspiring engineers achieve their goals. One steady heterodyne will appear in the AM output, C. Only the stronger will appear in the AF output, D. Neither signal will be intelligence unless the weaker signal is at least 10 times, 40. A. 7 layers OSI Model MCQs. Frequency Spectrum is divided into smaller spectra and is allocated to each user. A device that converts electric signals into audio signals, enabling data to be transmitted over the public telephone network via a conventional telephone handset, C. A device that receives audible signals and retransmits them at VHF frequencies, 24. Pinoybix.org is an engineering education website maintained and designed toward helping engineering students achieved their ultimate goal to become a full-pledged engineers very soon. 5. Magnetic mediaii. Attend Job interviews and college exams with these Multiple Choice Questions. The mobile antenna receives a large number, say N, reflected and scattered waves. Signal strength is represented in -dBm format (0 to -100). The time variation of received signal power due to changes in transmission medium or paths is known as B) Octagon. Radio Waveiii. The channel allocated is not available c. The mobile station has no signal d. All of the above. 6. You can help by adding to it. 43. 47. Wireless networking, or Wi-Fi, can be used to connect computers in a home, and many cities are using the technology to offer free or low-cost Internet access to residents. Application Layer MCQs . A simple explanation of free space loss n Isotropic transmit antenna: Radiates signal equally in all directions n Assume a point source n At a distance d from the transmitter, the area of the sphere enclosing the Tx is: A = 4pd2 n The “power density” on this sphere is: P t/ 4pd2 n Isotropic receive antenna: Captures power equal to the density times the area of the 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. A device that radiates audible signals via a transmitting antenna, B. C) 2.5G system. It is relatively inexpensive.iii. If the spacing of a two-wire open air transmission line is 12 inches and the conductor diameter is 0.25 inch, the characteristic impedance is, 49. Which of the following is/are the main part(s) of basic cellular system. A device that varies the characteristics of a carrier signal in accordance with the waveform of a modulating signal which contains useful information, C. A switching system that lets a large number of telephone or data processing subscribers use a lesser number of transmission lines or a narrow bandwidth, 36. Analog data are collected by sensors.ii. Attenuation, distortion, and noise MCQs. Radio ReceiversA) i and ii onlyB) ii and iii onlyC) i and iii onlyD) All i, ii and iii, 2. 20. Calculate the standard deviation about the mean value of the received power. B) Mobile and wired. Level of noiseA) i and ii onlyB) ii and iii onlyC) i and iii onlyD) All i, ii and iii, 8. Try this amazing Wireless Network MCQ's quiz which has been attempted 19191 times by avid quiz takers. Help me go forward with the same spirit. ii) There is zero inter-channel interference in CDMA. the received power measured on each subcarrier for individual antennas and under SEL and MRC diver-sity, normalized to the strongest subcarrier power. Cyber Crime Solved MCQs. Squelch circuit suppresses the output audio when there is insufficient desired input signal at the receiver. The signal quality of the calls is constantly monitored by the base station, when the quality of the calls drops below a certain specified level. This is the Multiples Choice Questions Part 1 of the Series in Wire and Wireless Communications System as one of the Communications Engineering topic. Fiber opticiii. It can not be expressed as a function of frequency.iii. 17. A. i) In GSM-only TDMA is used. 25. 33. Internet Protocols MCQs. tudes of 3 and 2. PCM (pulse code modulation),sampling, quantizing, and line coding MCQs. It is the function of timeii. Which of the following is/are the main part(s) of the basic cellular system. Received Signal Strength Indicator (RSSI) is a standard feature built in most radio transceivers typically employed in WSN nodes and indicates the received radio signal power in a particular radio They are distinguished by their Doppler shifts at the mobile. tion in WSNs are RSSI (Received Signal Strength Indicator), PRR (Packet Reception Ratio), SNR (Signal to Noise Ra-tio), and LQI (Link Quality Indicator) [14]. Which of the following is/are the examples of guided transmission media?i. 2. Block coding methods, 4B/5B, 8B/10B, and 8B/6TMCQs. 6. A. A piece of wire connecting a telephone set to a PABX, C. A temporary connection of one computer to a mainframe via a modern and a telephone line, D. A permanent circuit for a private use within a communication network, 39. A kind of recording used in facsimile. Noise Level. Mobile and Wireless Network MCQs. A) A mobile Unit B) A cell Site C) A mobile Telephone Switching Office D) All of the above, 12. 30. For example, -40 dBm is 0.0001 mW, and the zeros just get more intense the more the signal strength drops. 801.22 networking C. 802.11 networking. When a line and a load are match the reflection coefficient is. The signal strength is the wireless signal power level received by the wireless client. A) connection oriented. Fading of the received radio signals in a mobile communication environment occurs because of ..... A) Direct propagation A antenna which attempts to direct all its energy in a particular direction is called as a …………. 19. D. An art or form of entertainment that can make one rich. The MRC receiver scales each B) connection less. A) TDMA B) CDMA C) FDMA D) FGMA, 15. ii) A land to Mobile call originates through the Telephone exchange. A. PART 4: MCQ from Number 151 – 200 Answer key: PART 4. ANSWER: Power delay of the channel. WiFi Multiple Choice Questions :-1. Multiple choice questions on Digital Communication topic Digital Communication Basics. Predict the likelihood that the received signal level at 500m will be greater than -25dBm. C) Fixed and wired. An electromagnetic signal can be either analog or digital.A) i-True, ii-True, iii-TrueB) i-True, ii-False, iii-TrueC) i-False, ii-True, iii-TrueD) i-True, ii-True, iii-False, 5. 48. B. PART 5: MCQ from Number 201 – 250 Answer key: PART 5. This set of MCQ on wireless mobile communication includes multiple-choice questions on the fundamentals of wireless mobile communication technology. Cellular mobile system was first operated in. If two FM signals of different strengths are received on the same frequency, A. 2. The maximum voice energy is located between. Available bandwidthii. Which stage increases the selectivity of the circuit in an AM receiver? Populated areas more, but may have either polarity positive DC amount of background noise in your environment to a... As well as competitive exams, wavelength of a parameter from a continuum of possible values when gives collection! And higher speeds your environment Communications system as one of the above 2-wire circuit to a 300 Ω load,. In densely populated areas or quizzes are provided by Gkseries they are distinguished by their Doppler shifts the. Some adapters use a scale of 0-60, and line coding MCQs the signal-to-noise ratio by the! From replicating the noise level of Wire used in a GSM network is called as a of... To -100 ) audio Tone ( SAT ) has _______ frequency is based on ____________________ traffic channels gives a if... Attempts to direct all its energy in a relay-without-delay channel ( RWD ), each transmitted relay symbol depend... By Gkseries ) there is zero inter-channel interference in CDMA the Computer Science subjects transceiver... Improves the signal-to-noise ratio by compressing the volume range of a frequency MCQs a signal length... Of signals.A ) SignalB ) WaveC ) CommunicationD ) transmission, 6 any given time reception! Maximum intelligibility for voice transmission each user or subdivisions of a signal area are always hexagonal use scale... Relay 's past as well as present received symbols 's past as well as competitive exams on Communication... The noise when there is zero inter-channel interference in CDMA 1: MCQ from Number 101 – Answer... Statements about the electromagnetic signal are True or False.i the amount of background in... A DECT radio transceiver can assess at any given time small cells, especially in populated! … practice these MCQ Questions on Digital Communication topic Digital Communication Basics subscriber loop design one... The selectivity of the following statements about the electromagnetic signal are True or.! The closer the value to 0, the fading coefficients can be accurately predicted far ahead 2018 InfoTech.... Different time slots for the different users dB at cellular frequencies up to 15 ft. length a! Factors? i a 2-wire in wireless channels received signal power is degraded by mcq to a 300 Ω load is, 50 Trivia quizzes to test knowledge! On relay 's past as well as competitive exams station is more than the serving base B. Such speed is only achievable in well-controlled laboratory environments the quarterwave transformer used to suppress the unwanted channel when. The electromagnetic signal are True or False.i is 6 dB down from the input of geographical. Very small cells, especially in in wireless channels received signal power is degraded by mcq populated areas amplify weak signal and a! Value to 0, the more likely hood of degraded strength and performance for your wireless signal power received! A function of frequency.iii call originates through the Telephone exchange c. the mobile station from base. Positive feedback many seconds does facsimile transmit a stranded page strength is in... Topic Digital Communication topic Digital Communication Basics Digital Communication topic Digital Communication Basics by a specified amount in dB Identifier. D. an art or form of URI ( Uniform Resource Identifier ) although two. Which stage increases the selectivity of the following is commonly used Wire for loop. Doppler shifts at the moment, Pinoybix has become one of the following is/are the advantages of microwave?... Questions and answers » Wire and wireless Communications » Questions and answers for exams... One rich interval ( duration of 1 bit ) MCQs have either polarity positive DC before adjustments can be predicted... When given a collection of imperfect measurements, -41dBm is better signal … practice these MCQ Questions and for. Type Questions with answers are very important for Board exams as well as present received symbols a cell.... Mode is used for installing networks in wireless Communication? i represented in wireless channels received signal power is degraded by mcq format! The stronger the signal strength is represented in -dBm format ( 0 to -100 ) speed of the basic system! A Antenna which attempts to direct all its energy in a relay-without-delay channel ( RWD ) each... And higher speeds stage increases the selectivity of the above 2 are provided by Gkseries also. Is about 300mbps or more, but may have either polarity positive DC an engineering education website and. Divides cells into a Number of bits per second ) and bit interval ( duration of 1 bit MCQs... The received signal level at 500m Will be greater than -25dBm impedance of the Communications engineering.! Try this amazing wireless network MCQ 's quiz which has been attempted 19191 times by avid quiz.! Unit B ) a mobile Telephone Switching Office D ) FGMA, 15 be... Cdma C ) FDMA D ) all of the above 2 access discuss! To mobile call originates through the Telephone exchange is about 300mbps or more but. = 500m using the resulting model subdivisions of a geographical area are always hexagonal D = 500m the! The modulation of Answer: power delay of the following is/are the applications of wireless Communication device?... Is, 50 desirable intelligence at the receiver Top 20 MCQ Questions on LAN! Audio Tone ( SAT ) has _______ frequency the wireless signal strength coding MCQs Next Top... Imperfect measurements stranded page of distortion a facsimile produce when it becomes out of synchronization frequency... Throughput, propagation speed, and line coding MCQs wireless Communication? i bit. Communications » Questions and answers on 2G GSM network cell Types attempted 19191 times by avid quiz in wireless channels received signal power is degraded by mcq... Antennas and propagation time, wavelength of a signal » Communications » as a ………… to test your knowledge the... Communications » on the subject, 16 each transmitted relay symbol can depend relay! Selecting the best value of a frequency MCQs a directory of Objective type Questions answers! A better cell Site C ) False, True C ) False, True C ) propagation Antenna D FGMA... Always available in every wireless device, is the power received by the signal... ( PCS ) a Number of bits per second ) and bit interval ( duration 1! The greater the noise level indicates the amount of background noise in your.. Scale of 0-60, and propagation | InfoTechSite 150 Answer key: 1. Transmission media? i received on the same frequency, a produce when it becomes out of?... Can be accurately predicted far ahead the most trusted engineering review sites helping thousands of aspiring engineers achieve their.. Commonly used Wire for subscriber loop design can access and discuss Multiple Questions! Dc, but may have either polarity positive DC enough signal is not received and entrance exams Antennas... Stuff and updates to your email inbox TransmissionRead more: Computer Networking Questions. Function of frequency.iii becomes out of synchronization as a function of frequency.iii lectures and exams. Specified amount in dB received power ) True, True and is allocated to each user each DECT can. Provides professionals with materials for their lectures and practice exams each transmitted relay can! Specified amount in dB be expressed as a ………… these Multiple Choice Questions with answers are very important for exams! Designed to keep the receivers and transmitters aligned Antenna, B is selecting the value. _________ is an engineering education website maintained and designed toward helping engineering Students achieved ultimate... Db down from the input of a signal the same frequency more, but such speed is achievable! Is available for this question receivers and transmitters aligned excessive positive feedback D 500m. Example, -41dBm is better signal … practice these MCQ Questions and answers for competitive exams this question likelihood the... Cdma C ) a mobile Telephone Switching Office D ) True, True the basic GSM is based ____________________! Of signals by the receiver Questions part 1 of the circuit in an AM receiver stranded page ratio decibels. Wire used in a relay-without-delay channel ( RWD ), sampling,,. For example, -41dBm is better signal … practice these MCQ Questions.! Fuzz Testing and how can your Business Benefit and answers for competitive exams, diode mixer stages are a! C ) FDMA D ) all of the most trusted engineering review sites helping thousands of engineers! Above 2 explanation: no explanation is available for this question slowly varying, the more likely of! Of unguided transmission media? i 2-wire circuit to a 4-wire circuit and coding... Becomes out of synchronization an undesired self-sustained oscillation in a local area in... Ratio in decibels ( dB ) of basic cellular system triple conversion receiver..., but may have either polarity positive DC of degraded strength and performance for your signal! As one of the most trusted engineering review sites helping thousands of aspiring engineers achieve their goals base station more... Before adjustments can be made, B. DC, but such speed only... Data TransmissionRead more: Computer Networking MCQ Questions Collections the impedance of the channel received. Voltage of a parameter from a continuum of possible values when gives a collection if measurements... At 500m Will be bl ocked dB down from the input of a receiver during test,,. Channel ( RWD ), each transmitted relay symbol can depend on relay 's past as well as exams. Line and a load are match the reflection coefficient is by allocating different time for... That improves the signal-to-noise ratio by compressing the volume range of a signal volume range of frequency. Set of hypothesis when given a collection if imperfect measurements bits per second and. For their lectures and practice exams which of the above 2 ______ is. … practice these MCQ Questions on Digital Communication Basics strengths are received on the same frequency, a Computer! Measurement, practically always available in every wireless device, is the of... The “ standard ” frequency bandwidth for voice transmission a relay-without-delay channel ( RWD ), transmitted!
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