b. Other Area of this online platform contains "Online MCQ based Tests / Multiple choice Questions" ,Which can Helps readers to crack Various competitive Exams, Computer subject become necessary for all the students from various branches, and this platform will provide them all the required knowledge to answer the Questions correctly in the various competitive exams, Copyright 2023 | ExamRadar. 110. limited error control, but no flow control. What is the input impedance at a distance of 0.5l from the load? a) Propagation delay b) Queuing delay c) Transmission delay d) All of the mentioned View Answer 2. D) Noise9. A 50-W lossless transmission line is terminated with a load impedance of 25 + j75W. Unicast Routing Protocols c. Adaptive delta modulation torques. 77. The minimum impedance of a transmission line 75 ohm with a standing wave ratio of 4 is a) 75 b) 300 c) 18.75 d) 150 View Answer 10. c. 5 errors d. None of the above, ANSWER: (a) 1 is transmitted by a positive pulse and 0 is transmitted by negative pulse, a. Future output. Home >> Category >> Electronic Engineering (MCQ) questions & answers >> Telecommunication Traffic. What is a short (< l/4) length of transmission line, shorted at one end and attached at the appropriate distance from the load for the purpose of matching a complex load to the transmission line? This set of Wireless & Mobile Communications Multiple Choice Questions & Answers (MCQs) focuses on "Time Division Multiple Access (TDMA)". 27. d. None of the above, ANSWER: (a) If R > C, the error probability increases towards Unity, 83)For M equally likely messages, M>>1, if the rate of information R C, the probability of error is, a. Arbitrarily small c. The quantizer has linear characteristics Ratio Analysis MCQs Accounting Ratios MCQs (Multiple Choice Questions and Answers) In this exclusive page, you will get chapter wise Ratio Analysis MCQs for various exams such Class 12, B.Com, BBA, MBA, CMA, CS and ICAI. d. None of the above, 26)Matched filter may be optimally used only for, a. Gaussian noise 65. d. Polar quaternary NRZ, 39)The advantage of using Manchester format of coding is, a. Power transfer through AC systems depends on (a) sending and receiving end voltages (b) phase . Watch video lectures by visiting our YouTube channel LearnVidFun. It might be an optic fiber, coaxial cable or a twisted pair copper wire. All the coded bits used for sampling are transmitted The integrated product of two different code words is one 15). Two PSK spectra View Answer, 5. c. Optimization 85. The transmission line parameter that represents the decrease in the signal strength is _____. b. 2t + 1 dmin 1. 23. d. None of the above, 118)The maximum bandwidth is occupied by, a. d. Diverge right when a bit is 0 and diverge left when the bit is 1, ANSWER: (a)Diverge upward when a bit is 0 and diverge downward when the bit is 1, 64)The code in convolution coding is generated using, a. EX-OR logic 0 is encoded as positive pulse and 1 is encoded as negative pulse Therefore, one of the golden rules in traffic engineering is : Design your system so that the traffic intensity is no greater than 1. c. H = log10M2 b) dnodal = dproc + dtrans dqueue View Answer. (b) With active attitude control, there is no overall stabilizing torque present to resist the disturbance. 103. Differences in __________of various logic gates leads to glitches in circuits. Abby Braden is an award-winning writer and editor for websites such as TechnologyAdvice.com, Webopedia.com, and Project-Management.com, where she covers technology trends and enterprise and SMB project management platforms. Continuous phase frequency shift keying Bus lines with inserted repeaters reduce ________. Both queuing delay and processing delay are dependent on the state of the system. d. Not predictable, 115)In Binary FSK, mark and space respectively represent, a. 0 is encoded as no pulse and 1 is encoded as negative pulse So, queuing delay is the time that a packet waits in the queue until its turn comes. Average information per message b. Logarithmic in nature d. All of the above, 61)Graphical representation of linear block code is known as, a. Pi graph b. Bt = w(1 + ) Transmission delay Length / Size of data packet, Propagation delay Distance between sender and receiver, Propagation delay 1 / transmission speed. b) LR/a 100. 1) If 'n' number of users are present in a network with point-to-point links, then how many links will be required in the network? d. None of the above, 41)In DPSK technique, the technique used to encode bits is, a. AMI B) Intermodulation12. The _____ is a measure of the mismatch between a load and the transmission line. Multicasting Basics 76. c. The amplitude of the modulated signal Network-Layer Services 39. Half duration b. Data due to noise 14). TTL has Propagation delay of _______. c. Phase In optical fibre, signals travel with 70% speed of light. 95. 102. Propagation delay doesn't depend on _________. The earth segment of a satellite communications system consists of ________. c. Resembles the shape of human eye Logic 1 given by probability P and logic 0 by (1-P) c. Differential coding Network-Layer Congestion c. Information transmitted What would be the SWR of a transmission line if power is being delivered to a 100- load by a line with a characteristic impedance of 50 W? b) 10Mbps d. All of the above, a. So, consider transmission speed = 2.1 x 10. Are Propagation delay and frequency related? Sequential logic with long delay in propagation leads to _________. Step size is too small .. is caused by a component malfunction or a signal with excessive strength is used.A) ThermalB) IntermodulationC) Cross talkD) Impulse, 13. D) Impulse14. House holder transformation Answer: (B) To decrease the ground resistance. c. Quantization The characteristic impedance of a transmission line does not depend upon its ______. occurs due to velocity of propagation the frequency varies. 120. 92. Extracting timing information from the received signal The Traffic intensity in the network is given by ____________ Exchanging of data c. Power line load switching A. b. 4). Below are the causes of the impairment. b. 101. b) Distance between the routers b. Since TCP handles both the retransmission and fragmentation of packets, our higher-level dissector only has to be concerned with the real data. Why do logic gates have propagation delays? Full size image c. Total bits- information bits b. BPSK d. All of the above, a. The average power in an electromagnetic wave is given by a) propagation constant b. c. Coded signal c. Both positive as well as negative value 1 INTRODUCTION 61. 1) In a library, the ratio of number of story books to that of non-story books was 4:3 and total number of story books was 1248. Network delays are usually small. Half the bandwidth of baseband signal Propagation delay of _________ affects the ripple counter speed. d. 16 B bits/sec, a. (0 correct answers). d. Sampling, 3)The characteristics of compressor in -law companding are, a. IPv4 Addresses c. Transit noise 1. where is the distance between sender and receiver over a link, and is the transmission speed. d. M number of bits, depending upon the requireme. 32. b. d. Filtering, 30)For a line code, the transmission bandwidth must be, a. Which of the following is not a microwave vacuum tube? c. after line coding and modulation of signal 70% speed of light = 0.7 x 3 x 10 8 m/sec = 2.1 x 10 8 m/sec RS232C. View Answer, 7. Webopedia resources cover technology definitions, educational guides, and software reviews that are accessible to all researchers regardless of technical background. d. None of the above, 65)Interleaving process permits a burst of B bits, with l as consecutive code bits and t errors when, a. For a parallel-resonant circuit, a l / 4 stub must be _____ at the ends. 114)The bandwidth of BFSK is ______________ than BPSK. c. Gaussian filter The less the number of servers/links, the greater is the queuing delay. For maximizing signal to noise ratio c. Both a & b Propagation delay:After the packet is transmitted to the transmission medium, it has to go through the medium to reach the destination. c. Where digital codes are the quantized values of the predicted value b. One of the following microwave diodes is suitable for very low-power oscillators only. 87. d. Four time the bit rate, 124)The technique that may be used to reduce the side band power is, a. MSK b. H = log2M The units used for this are baud or bits/s. Suppose we run a simulation ,and obtain a trace file "out.tr". b. The disadvantage of Low power factor: Two hosts A and B are connected over a transmission link / transmission media. Thus various frequency components of a signal arrive at the receiver at different times.A) NoiseB) Delay distortionC) Attenuation distortionD) Dispersion, 9. d. None of the above, a. 120 V 12 V 12000 V 1200 V Show Answer Workspace Attenuation can be also expressed in decibel(dB) and commonly used because.i) Signal strengths often fall off logarithmicallyii) Cascade losses and gains can be calculated with simple additions and subtractionsA) i onlyB) ii onlyC) Both of the aboveD) None of the above, 7. Same as the bit rate A 5-GHz signal is to be propagated along a waveguide with a width of 3 cm. b. Removes distortion caused due to channel Same as the bandwidth of baseband signal The data transmission rate is the volume of data transmitted over a transmission channel or via a data interface within a specified unit of time. b. Sinc shaped filter c. C = B(1+S/N) bits/s c. Higher The bandwidth occupied beyond the Nyquist Bandwidth of the filter d. Discrete in nature, 4)The modulation techniques used to convert analog signal into digital signal are, a. Pulse code modulation If a resend is needed, the overall delay is at least doubled: the another round-trip time is added for a resend . c. White noise Transmission delay can be calculated as follows . The cut-off frequency in a waveguide signifies, a) longer wave will not propagate significantly, b) the frequency at which no transmission takes place. The performance of the filter or device What reduces Propagation delay in digital electronics? c. Adaptive delta modulation 2) Which type of topology is best suited for large businesses which must carefully control and coordinate the operation of distributed branch outlets? c. Both a & b Relates the conditions in time domain and frequency domain Processing of the data packet helps in detecting bit level errors that occurs during transmission. d) All of the mentioned d. Logic 1 given by probability P and logic 0 by (1-P)2, ANSWER: (a) Logic 1 given by probability P and logic 0 by (1-P), 44)The technique that may be used to increase average information per bit is, a. Shannon-Fano algorithm A matching stub should be placed _____. 42. 52. (B) To decrease the ground resistance. b. Modulation rate d. Transit time noise, a. Close to unity b. rms value / Peak value Testing and Commissioning Method Statements, Commercial & Finance Management Procedures, Multiple Choice Questions Transmission Lines, Power Amplifier: Types, Classifications, and Applications, Lead Acid Batteries: Functioning, Safety, and Maintenance, Underground Cable Laying Method Statement, Difference Between Superconductor and Semiconductor, Electrical Hazards Awareness for Workers and Home Technicians, Types of Commercial and Home Wiring / Light Switch Wiring, Method Statement for UPS System Installation, Electrical Testing and Commissioning General Requirements & Checklists. b. throughout their Academic career. d. BW 1/2 vfm, a. 122)Minimum shift keying is similar to, a. b. Packet Format If in one second, 1 bit can be transmitted. 11 and 00 logic levels If there are multiple active sessions, the delay will become significant. 5 NEXT GENERATION IP a) La/R What is the voltage reflection coefficient for a 75- line with a terminating impedance of 50 ? Resources For Electrical & Electronic Engineers. 119. It requires less phase to phase and ground to ground clearance. Relays b. Latches c. Both a and b d. None of the above . 48. 1 and 0 logic levels (iii) He can take short-term loan from a bank. Rate of closure of eye of eye pattern A transmission line consisting of two conductors that have equal resistance per unit length. d. All of the above, 27)Characteristics of Matched filter are, a. For an ideal transmission line, the best possible conductor to use is _____. How many cycles of a 1MHz wave can a 6-mile transmission line accommodate? Is true b. When shes not writing about technology, she enjoys giving too many treats to her dog and coaching part-time at her local gym. Time is acquired by signals to travel and reach its destination from the transmission point referred to as Flight time. Base band filter d. None of the above, 107)ASK modulated signal has the bandwidth, a. It is the time required to put a packet's bit (or data bits) on the transmission medium that can be wired or wireless. (C) To increase design strength. This delay depends on multiple factors, including the following: Number of active sessions: The physical layer processes the packets in the FIFO order. 2). The maximum information transmitted by one symbol over the channel Breakeven distance changes from 500 to 900 km in overhead transmission lines. 1. d. Both a and b, a. It depends on the congestion in the network. What is the value of secondary voltage if the turn ratio is 10? b. c. Logic 1 given by probability P2 and logic 0 by 1-P Average number of bits of information per second In general, we cant calculate queueing delay because we dont have any formula for that. MAC protocol largely influences the delay if the link is shared among multiple devices. b. I(X;Y) = H(X/Y) H(Y/X) 107. Propagation delay depends on ___________ a) True b) False View Answer 2. What is the SWR along a transmission line having a characteristic impedance of 75 W and a load impedance of 300W? Why is impedance matching of a transmission line to the antenna important? c. FSK Half the carrier amplitude What physical length corresponds to 0.25wavekerh at 500 MHz for cable with a propagation velocity of 0.68C? 20). b. Reconstruction of signals To connect coaxial line to a parallel-wire, _____ is the best to use. Improved version of DTN (Delay tollerent network) is ICWN. It includes baseband transmission, attenuation distortion, and delays distortion. D dmin 1 7). Their towers are less costly and cheaper. b. Phishing is a type of cybercrime in which victims are contacted by email, telephone, or text message by an attacker posing as Photo editing software is used to manipulate or enhance digital images. Error detection 117. Network-Layer Performance About Us | Privacy Policy| HTML SiteMap | Contact Us 2012-2022 InfoTech Site. The aspect ratio of a standard rectangular waveguide is _____. d. All of the above, 89)The time interval over which the received signal may be sampled without error may be explained by, a. Width of eye opening of eye pattern 18. Maximum possible Transmission Delay:The time taken to transmit a packet from the host to the transmission medium is called Transmission delay. d. All of the above, 60)Synchronization of signals is done using, a. In the transfer of file between server and client, if the transmission rates along the path is 10Mbps, 20Mbps, 30Mbps, 40Mbps. What is the SWR for a 100-Ohms characteristic line and a 300-Ohms load? 1) Which of these is a standard interface for serial data transmission? c. Is not predictable 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. 4 B bits/sec Routing Algorithms Let's define delay as the duration since a packet enters a queue of a . Information bits Sampling, quantizing, encoding A type of transmission line where the two conductors carry equal current. b) Queuing delay b. View Answer, 3. c. Uni polar RZ format Propagation delay increase with _____________. Two 2-mm-diameter wires held 6 cm apart center-to-center has a characteristic impedance of _____. Interdomain Routing Protocols Transmission delay is a function of the packets length and is unrelated to the distance between the two nodes. AV block represents a delay or disturbance in the transmission of an impulse from the atria to the ventricles. All Rights Reserved. a) 3.2 47. b. d. 00 and 11, 116)The frequency shifts in the BFSK usually lies in the range, a. Queueing delay:Let the packet is received by the destination, the packet will not be processed by the destination immediately. This Portion of Computer Networking contains Computer Networking Transport Layer MCQs (Multiple Choice Questions and Answers). The transmission bandwidth of spread spectrum techniques is equal to the minimum required signal bandwidth. d. All of the above, 29)The process of coding multiplexer output into electrical pulses or waveforms for transmission is called, a. (ii) He can purchase goods on credit. a) Propagation delay b) Average delay c) Detection delay d) Time delay Answer: c Clarification: In CSMA protocols, detection delay and propagation delay are two important parameters. For example, the end-to-end delay for a cross-country network is roughly 30 ms. b. Lightening strikes If the maximum instantaneous phase transition of a digital modulation techniques kept at 90, the modulation will be organized as DPSK QPSK OQPSK BPSK Answer - (2) 6. Increasing bandwidth decreases transmission delay. d. Both a and c are correct, 2)The process of converting the analog sample into discrete form is called, a. Modulation What type of coupling is used between helical resonators? An ICMP error message may be generated for a fragmented datagram. It has to wait in a queue in something called a buffer. d. None of the above, 69)For hamming distance dmin and t errors in the received word, the condition to be able to correct the errors is, a. b. d) 320 21.6 sec. This is relevant to networks based on packet switching, in which messages are divided into packets before they are sent. In .. transmission, we require only one communication channel rather than channels n to transmit data between two communicating devices.A) parallelB) serialC) analogD) digital, 5. b. Matrix Assume the dominant mode of operation. d. None of the above, a. Therefore, transmission delay is the time it takes the router to push the processed packet on the link, completely. d. Both b and c are correct, a. 120)The data rate of QPSK is ___________ of BPSK. 89. For a transmission line giving a maximum rms voltage reading of 50 V at one point and a minimum rms voltage reading 25 V at another point. To convert analog signal into digital signal Frequency The total nodal delay is given by ____________, Delay of the resource allocated during setup phase during data transfer is ________, Delay of the resource allocated on demand during data transfer is ________, Software Testing and Quality Assurance (STQA), Information systems and engineering economics. b. Best choice of transmission line component to couple a coaxial line to a parallel wire line. 22. b. The waveform has zero value for symbol 0 d. All of the above, ANSWER: (a) Average information per message, a. d. All of the above, 8)The expression for bandwidth BW of a PCM system, where v is the number of bits per sample and fm is the modulating frequency, is given by, a. BW vfm d. None of the above, ANSWER: (a) There are abrupt transitions obtained at edges of the bands, 100)Equalization in digital communication, a.

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