Exchanging of data It is used to connect a driving shaft to a driven shaft, so that the driven shaft may be started or stopped at will without stoppping the driving shaft. c. Gaussian filter b. Granular noise d. Transit time noise, a. b. What is the characteristic impedance of the quarter wave transformer needed to match a 50-Ohms line to a 300-Ohms load? 28). 122)Minimum shift keying is similar to, a. b. b. b. Is not true Information contained in a signal propagation delay: 1) Propagation delay, symbolized t pd , is the time required for a digital signal to travel from the input(s) of a logic gate to the output. torques. d. 00 and 11, 116)The frequency shifts in the BFSK usually lies in the range, a. throughout their Academic career. We would like to compute the average values of delay. RS232C. The channel capacity becomes infinite with infinite bandwidth 50. 120. c) Distance between the routers PDFs for offline use. We take free online Practice/Mock test for exam preparation. Each MCQ is open for further discussion on discussion page. All the services offered by McqMate are free. c. Pulse is transmitted for half the duration 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. b. (D) To increase inductance. In other words, this is the delay caused by the data-rate of the link. d. All of the above, 5)The sequence of operations in which PCM is done is, a. A) Baseband transmission2. Time required by signal to receive after its been sent is referred to as __________. For GPS, the transmission delay can . 74. b. c. Amplitude of modulating signal 28. b. c. The carrier is in synchronization with modulated carrier A transmission line has a capacitance of 25 pF / ft. and an inductance of 0.15 mH / ft. General Idea 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. d. None of the above, 107)ASK modulated signal has the bandwidth, a. Differences in __________of various logic gates leads to glitches in circuits. d. All of the above, 94)The criterion used for pulse shaping to avoid ISI is, a. Nyquist criterion The integrated product of two different code words is one The cut-off frequency in a waveguide signifies, a) longer wave will not propagate significantly, b) the frequency at which no transmission takes place. | Contact Us | Copyright || Terms of Use || Privacy Policy, If you have any Questions regarding this free Computer Science tutorials ,Short Questions and Answers,Multiple choice Questions And Answers-MCQ sets,Online Test/Quiz,Short Study Notes dont hesitate to contact us via Facebook,or through our website.Email us @, Copyright || Terms of Use || Privacy Policy, Adds a header that contains the source and destination information, Decapsulating the payload at the destination. For example, if bandwidth is 1 bps (every second 1 bit can be transmitted onto the transmission medium) and data size is 20 bits then what is the transmission delay? c. Total bits- information bits Information per unit time b. I = k log2P View Answer, 8. 106. .kensFaq_questionListItem { d. All of the above, ANSWER: (a) Removing long strings of 1s and 0s, 33)In polar RZ format for coding, symbol 0 is represented by, a. B) White11. (0 correct answers). 1). Show Answer. To gain better understanding about delays in computer networks, Next Article- Types Of Channels in Computer Networks. To estimate the frequency of the received signal d. Both a and c, 99)The difficulty in achieving the Nyquist criterion for system design is, a. d. All of the above, a. Slope over load distortion c. Polar RZ b) Queuing delay 31. 82. . b. 59. A flat transmission line delivers 5 kW at 10 A. d. Both a and c are correct, 2)The process of converting the analog sample into discrete form is called, a. Modulation b. Quantization noise Transformer Multiple Choice Questions 1) A transformer Steps up or down dc voltages Changes ac to dc Steps up or down ac voltages Changes dc to ac Show Answer Workspace 2) The primary winding of a transformer has a 120 V ac supply. Past output. b. 20). c. Same b. Density of signal b. Bipolar NRZ format Time taken to put the data packet on the transmission link is called as, Time taken for one bit to travel from sender to receiver end of the link is called as, Time spent by the data packet waiting in the queue before it is taken for execution is called as, Time taken by the processor to process the data packet is called as, Total delay in sending one data packet or End to End time, In optical fibre, transmission speed of data packet = 2.1 x 10. 23). This delay is proportional to the packet's length in bits, It is given by the following formula: seconds where is the transmission delay in seconds N is the number of bits, and R is the rate of transmission (say in bits per second) Step size is too large 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. One of the following microwave diodes is suitable for very low-power oscillators only. 0 and 1 If a transmission line is terminated with a resistance equal to its characteristic impedance, a) the standing wave ratio will be minimum, b) the input impedance will be twice the terminating resistance, c) the reflection coefficient will be unity. b. where is the distance between sender and receiver over a link, and is the transmission speed. b. by limiting the bandwidth of transmission What type of coupling is used between helical resonators? b. For example, if the distance between the two points is and the propagation speed is in a cable then the propagation delay will be: 3. c. Quantization This article lists 30 Propagation Delay MCQs for engineering students. c. Not predictable What is the guide wavelength if m = 1 for a 6cm x 3-cm waveguide with a frequency of 12 GHz? D dmin + 1 At ElectronicsPost.com I pursue my love for teaching. The results of ratio model of \(S_V\) to network delay show the different increase rates between \(S_V\) and network delay with the increase of payload transmission time in (c,d). 0 is encoded as positive pulse and 1 is encoded as negative pulse Data due to noise Type above and press Enter to search. 5 NEXT GENERATION IP View Answer, 9. Let B bps is the bandwidth and L bit is the size of the data then transmission delay is. a) load connected to the output end of the transmission line, b) looking back impedance of a line with no load, c) result of cutting both ends of a conductor, d) result of disconnecting a line from a transmitter. There are abrupt transitions obtained at edges of the bands 19). c. Coded signal 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. d. Sampling, 3)The characteristics of compressor in -law companding are, a. 0 is encoded as no pulse and 1 is encoded as negative pulse Which of the following is not a method of coupling into or out of a waveguide? 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. d. D dmin, a. b. 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 In the transfer of file between server and client, if the transmission rates along the path is 10Mbps, 20Mbps, 30Mbps, 40Mbps. Complete pulse duration The baud rate equal to 15 Mbps The baud rate equal to 30 Mbps The baud rate equal to 7.5 Mbps Answer - (2) 5. 118. a) The velocity of the wave on the transmission line multiplied by the velocity of the wave of light in vacuum b) The ratio of the characteristic impedance of the line to the terminating impedance d) The velocity of the waves on the transmission line divided by the velocity of light in a vacuum b) BPF d) BRF 37. f (a) The earth segment of a satellite communications system consists of the transmit and receive. c. Both a and b are correct d) Processing delay By using our site, you 78. D) Attenuation6. For signal detection Two 2-mm-diameter wires held 6 cm apart center-to-center has a characteristic impedance of _____. 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. Processing delay:Now the packet will be taken for the processing which is called processing delay. The step size remains same. For delta modulation d. All of the above, 104)For two vectors to be orthonormal, the vectors are also said to be orthogonal. to either prevent congestion before it happens or to alleviate congestion after it happens, the first byte of the datagram is byte 800, must be evenly divisible by the number of addresses in the organization, must belong to one of the A, B, or C classes, application-layer protocol that helps TCP/IP at the network layer, transport-layer protocol that helps TCP/IP at the network layer, data-link layer protocol that helps TCP/IP at the network layer. The reverse of the same, a. The time that a reference clock has is encoded onto a signal and sent by wire, or wirelessly, to a remote clock, as shown in Fig. MAC protocol largely influences the delay if the link is shared among multiple devices. c. Polar NRZ 103. We have the following types of delays in computer networks: 1. For a parallel-resonant circuit, a l / 4 stub must be _____ at the ends. d. All of the above, a. d. All of the above, 60)Synchronization of signals is done using, a. b. Which of the following determines the characteristics of a transmission line? Reduction in transmission bandwidth View Answer. d. n = r * k, 46)The information rate R for given average information H= 2.0 for analog signal band limited to B Hz is, a. This set of Computer Networks Multiple Choice Questions & Answers (MCQs) focuses on Delays and Loss. b. k = n/r Transit time noise Logic 1 given by probability P and logic 0 by (1-P) c. 1 bits c. Limits the bandwidth requirement c. Cannot be decoded easily Their towers are less costly and cheaper. Which bit is in error c. Quantization error remains same 1 INTRODUCTION 58. Referred to the dielectric constant of a transmission line material. Transmission delay is a function of the packet's length and has nothing to do with the distance between the two nodes. objective of our platform is to assist fellow students in preparing for exams and in their Studies Thermal noise is often referred to as noise, because it affects uniformly the different frequencies.A) BlackB) WhiteC) GrayD) Blue, 11. For an ideal transmission line, the best possible conductor to use is _____. 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. 26). This can be due to an anatomical or functional impairment in . In a transmission line, the characteristic impedance equals _____. b) Queuing delay It also doesnt have any formula since it depends upon the speed of the processor and the speed of the processor varies from computer to computer. b. Delta modulation d. None of the above, 40)Alternate Mark Inversion (AMI) is also known as, a. Pseudo ternary coding A 100 meter cable might have delay as . Half the carrier amplitude No message storage Rate of closure of eye of eye pattern b. N times the modulating frequency c. Transit noise Reduces inter symbol interference b. 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. b. 6). 4. d. All of the above, a. b. 1 INTRODUCTION Network-Layer Services Packet Switching Network-Layer Performance Network-Layer Congestion Structure of A Router 2 NETWORK-LAYER PROTOCOLS What is the input impedance of a shorted lossless line of length wavelength/4? d. I(X;Y) = H(Y) H(X), a. MCQ Questions On Data Transmission Techniques Part-2 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. b. c. 1 H(P)2 Network propagation delay is measured in nanoseconds (nS). b. b. About Us | Privacy Policy| HTML SiteMap | Contact Us 2012-2022 InfoTech Site. d. All of the above, 27)Characteristics of Matched filter are, a. 54. 2011-2022 Sanfoundry. A 5-GHz signal is to be propagated along a waveguide with a width of 3 cm. 76. It depends on the speed of the processor. b. The ratio of the maximum to minimum voltage on a transmission line is called _____. All the coded bits used for sampling are transmitted 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. An ICMP error message may be generated for a multicast datagram. 6.Power loss due to increased effective resistance of a conductor at microwave frequencies due to skin effect. Needs least power as due to opposite polarity c. The waveform has positive and negative values for 1 and 0 symbol respectively In data communication is how fast we can send data, in bits per second, over a channel.A) data rateB) data flowC) data speedD) baud rate, 17. d. 16 B bits/sec, a. D) Impulse14. In this post you will also get Accounting Ratios MCQs, Ratio Analysis MCQs for various competitive exams. The speed of the signal and the overall traveling distance are the main . This set of Wireless & Mobile Communications Multiple Choice Questions & Answers (MCQs) focuses on "Spread Spectrum Modulation Techniques". Mutually orthonormal and of null length Continuous phase frequency shift keying Time is acquired by signals to travel and reach its destination from the transmission point referred to as Flight time. Half of the bit rate 10). For any particular transmission link, bandwidth and transmission speed are always constant. 96. 2t + 2 dmin c. Phase Transmission Delay: The time taken to transmit a packet from the host to the transmission medium is called Transmission delay. c. Is not predictable Here, the nature of the arriving traffic impacts the queuing delay. The delay can be caused by a variety of factors such as the number of active packets, transmission capacity, and so on. Accountant wants to maintain it at 2 1. d. None of the above, a. to control Inter Symbol Interference This is because they are properties of the transmission medium. Figure 5 indicates the data transmission delay of the proposed method that was below 0.5 s when compared with the results of the compressed sensing method and the data packet sequence method. 14. c. Calculated using power spectral density c. Emitted message is independent of previous message c. Probability of error Phase synchronization An ICMP error message may be generated for a fragmented datagram. Two ASK spectra c. 4 bit/ symbol 80. 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. Characteristic impedance of a transmission line is the impedance measured at the _____ when its length is infinite. c. 2t + 1 2dmin Webopedia resources cover technology definitions, educational guides, and software reviews that are accessible to all researchers regardless of technical background. We are trying to make all those topics more simple and easy to understand,So that it will help students to learn it very quickly in limited amount of time like Last Peak hours of their Extermination,its like last time revision Notes. Both queuing delay and processing delay are dependent on the state of the system. Following options are available. c. Sample and hold Determine the characteristic impedance of the line. 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. d) Speed of the CPU 2). c) R/La 1000 megabits per second If in one second, 1 bit can be transmitted. The aspect ratio of a standard rectangular waveguide is _____. d. Bessel filter, a. 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