Thus various frequency components of a signal arrive at the receiver at different times.A) NoiseB) Delay distortionC) Attenuation distortionD) Dispersion, 9. Efficiency a) dnodal = dproc dqueue + dtrans + dprop b. d. Both a and b, 70)For hamming distance dmin and number of errors D, the condition for receiving invalid codeword is, a. b. Redundant bits 98. All Rights Reserved. This set of MCQ questions on data transmission techniques includes the collections of the top 20 multiple-choice questions on the different data transmission techniques. The algorithm adjusts the number of redundant packets at each layer and improves the packet . b. Adaptive delta modulation Transmission Delay: The time taken to transmit a packet from the host to the transmission medium is called Transmission delay. Why do propagation delays occur in the cables? 120 V 12 V 12000 V 1200 V Show Answer Workspace 13. a) Processing delay Which of the following is not a common transmission line impedance? 1 H(P) 3 errors c. I(X;Y) = H(X) H(Y) b. To practice all areas of Computer Networks, here is complete set of 1000+ Multiple Choice Questions and Answers. Following options are available. d. Four time the bit rate, 124)The technique that may be used to reduce the side band power is, a. MSK c. 2 B bits/sec 89. C. Both a and b 6). c. Correction of error in multiple bits c. 200 to 500 Hz Continuous in nature d. None of the above, 67)Parity bit coding may not be used for, a. d. None of the above, 38)The maximum synchronizing capability in coding techniques is present in, a. Manchester format ICMPv6 Skin effect describes the tendency of: a) ac conductors to carry the circuit current on their surface, c) dc conductors to carry the circuit current on their surface. When does an open transmission line look a short to the source? C = B2(1+S/N) bits/s 109)The probability of error of DPSK is ______________ than that of BPSK. b. Manchester coding Get more notes and other study material of Computer Networks. 1) In uniform quantization process. C) Cross talk15. Information per unit time What is the distance between a voltage maximum and adjacent current maximum on a transmission line with standing waves? b. 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In a waveguide, the TE mode means that the: b) magnetic field is perpendicular to the direction of wave propagation, c) magnetic and electric field are perpendicular to each other, d) electric field is perpendicular to the direction of wave propagation. 0 and 1 A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. b. Propagation delay doesn't depend on _________. c. Emitted message is independent of previous message b. Same as the bit rate b. To transmit 20 bits, 20 seconds would be required. If in one second, 1 bit can be transmitted. 1 and 0 logic levels The speed of the signal and the overall traveling distance are the main . So, queuing delay is the time that a packet waits in the queue until its turn comes. 1. b. Suppose we run a simulation ,and obtain a trace file "out.tr". c. Transmitter and receiver connected to master timing source 21.6 sec. Differential coding Advantages of HVDC transmission: A lesser number of conductors and insulators are required thereby reducing the cost of the overall system. d. 5.6 megabits per second, a. All the coded bits used for sampling are transmitted TDMA systems transmit in a continuous way. 67. An ICMP error message may be generated for a fragmented datagram. ______________ is focussed primarily in designing of electronic circuits. 111. d. None of the above, ANSWER: (c) Emitted message is independent of previous message, 52)The information I contained in a message with probability of occurrence is given by (k is constant), a. I = k log21/P a. It requires large bandwidth Time is acquired by signals to travel and reach its destination from the transmission point referred to as Flight time. 12. It depends on the congestion in the network. B) Digital signal20. 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. (ii) He can purchase goods on credit. 94. 106. a) Propagation delay b. Lightening strikes Propagation delays in the networking are referred to as Transmission delays. c. For frequency modulated signals So the amount of time it waits in queue before being processed is called queueing delay. margin-left: 13px; b. where is the distance between sender and receiver over a link, and is the transmission speed. b. 1. d. All of the above, 94)The criterion used for pulse shaping to avoid ISI is, a. Nyquist criterion d. Both a and b. 122)Minimum shift keying is similar to, a. d. Bandwidth is too large, 19)The crest factor of a waveform is given as , a. It is used to express the attenuation or signal loss and the phase shift per unit length of the transmission line. Which of the following is not a method of coupling into or out of a waveguide? Forwarding of IP Packets d. BW 1/2 vfm, a. B) White11. 7. a) Propagation delay c. r = k * n The number of routers between source and destination is? In parameter estimation problems And, if you really want to know more about me, please visit my "About" Page. d) 50Mbps 114. Does Domain Authority Still Consider a Ranking Factor in 2023? What is the cut-off wavelength of a 6-cm x 3-cm waveguide? Transmission delay is the amount of time required to push all of the packet's bits into the wire in a packet switching network. 1. c) Transmission delay b. 64. No Comments yet . d) All of the mentioned 61. c. Gaussian filter The disadvantage of Low power factor: Resources For Electrical & Electronic Engineers. Sending and receiving a packet involves a context switch in the operating system, which takes a finite time. d. B tl, 66)For a (7, 4) block code, 7 is the total number of bits and 4 is the number of, a. a) 3.2 c. 2t + 1 2dmin 37. Transmission Delay. d. All of the above, 101)Zero forced equalizers are used for, a. Transmission delay (Tt) = Packet size / Bandwidth = L bits / 4 Kbps Calculating Value Of 'a'- a = Tp/ Tt a = 20 msec / ( L bits / 4 Kbps) a = (20 msec x 4 Kbps) / L bits Condition For Efficiency To Be At least 50%- For efficiency to be at least 50%, we must have- 1 / 1+2a >= 1/2 a <= 1/2 Substituting the value of 'a', we get- b. 57. In discrete memoryless source, the current letter produced by a source is statistically independent of _____ A. In a waveguide, the TM mode means that the: a) electric field is perpendicular to the direction of wave propagation, b) magnetic and electric fields are perpendicular to each other, d) magnetic field is perpendicular to the direction of wave propagation. b. k = n/r 2. c. Minimum hamming distance between two code words is equal to weight of any non zero code word What is the velocity factor of non-foam dielectric 50 or 75 ohm flexible coaxial cable such as RG 8, 11, 58, and 59? a) 20Mbps 25). c. Polar RZ 40. Transmission delay can depend on multiple factors, including: Transmission delay is given in the following formula: Webopedia is an online information technology and computer science resource for IT professionals, students, and educators. Processing delay:Now the packet will be taken for the processing which is called processing delay. It is measured in microsecond s (s), nanosecond s (ns), or picosecond s (ps), where 1 s = 10 -6 s, 1 ns = 10 -9 s, and 1 ps = 10 -12 s. One-way time needed by signals to proceed on trace is referred to as ___________ in PCB. Determine the characteristic impedance of the line. d. 500 to 10 Hz, 117)The spectrum of BFSK may be viewed as the sum of, a. How propagation delays can be fixed in FPGAs? What is the reflection coefficient for this line? 59. In communication system, analog signals travel through transmission media, which tends to deteriorate the quality of analog signal, which means that the signal at the beginning of the medium is not the same as the signal at the end of the medium. c. Calculated using power spectral density c. The quantizer has linear characteristics. 70% speed of light = 0.7 x 3 x 10 8 m/sec = 2.1 x 10 8 m/sec b. Amplitude modulation Power transfer through AC systems depends on (a) sending and receiving end voltages (b) phase . b. p(x1,x2,x3.xn) = p(x1)p(x1/x2)p(x2/x3).p(xn-1/xn) d) Bandwidth of medium 11 and 00 logic levels 107. This is relevant to networks based on packet switching, in which messages are divided into packets before they are sent. So, consider transmission speed = 2.1 x 10. 1. c. Matched filter we also have provided the depth knowledge of some topics which really require more words to explain. One of the following microwave diodes is suitable for very low-power oscillators only. It gives the output as signal energy in the absence of noise d. p(x1,x2,x3xn) = p(x1)p(x2 * x1)p(x3 * x2)..p(xn * xn-1), ANSWER:(a) p(x1,x2,x3.xn) = p(x1)p(x2/x1)p(x3/x2).p(xn/xn-1), 77)The capacity of Gaussian channel is, a. 2) Which type of topology is best suited for large businesses which must carefully control and coordinate the operation of distributed branch outlets? 97. c. Diverge left when a bit is 0 and diverge right when the bit is 1 Propagation delay, or delay, is a measure of the time required for a signal to propagate from one end of the circuit to the other. The average power in an electromagnetic wave is given by a) propagation constant 28). 81. Propagation delay increase with _____________. 86. c. The quantizer has linear characteristics Line coding c. Same View Answer, 2. Multiple Choice Questions and Answers By Sasmita November 28, 2016. d. None of the above, ANSWER:(a) Sampling, quantizing, encoding, 6)In PCM, the parameter varied in accordance with the amplitude of the modulating signal is, a. Amplitude Half duration Switching transients 30). After practicing these tricky Ratio and Proportion multiple choice questions, you will be exam ready to deal with any objective type questions. In the transfer of file between server and client, if the transmission rates along the path is 10Mbps, 20Mbps, 30Mbps, 40Mbps. Lower (i) He can pay off sundry creditors. A transmission line consisting of two conductors that have equal resistance per unit length. B) Intermodulation12. b. View Answer, 8. c. Amplitude of signal d. None of the above, ANSWER: (a) Mutually orthonormal and are of unit length, 106)In On-Off keying, the carrier signal is transmitted with signal value 1 and 0 indicates, a. So, the transmission delay is the time that a packet takes to be placed in the link. Transmission lines when connected to antenna have, a) resistive load whose resistance is less than characteristic impedance, c) resistive load at the resonant frequency, d) resistive load whose resistance is greater than the characteristic impedance of the line.