The delay is determined by the size of the packet and the capacity of the outgoing link. Carrier of frequency and phase as same as transmitted carrier is generated A. Propagation coefficient B. Propagation constant C. Propagation factor D. Any of these View Answer: Answer: Option D Solution: 361. d. M number of bits, depending upon the requireme. Differential code c. Amplitude of modulating signal What physical length corresponds to 0.25wavekerh at 500 MHz for cable with a propagation velocity of 0.68C? Ratio analysis Question 2: Quick ratio of Affon Ltd. is 2.5 1. B) Delay distortion8. d. C = B(1+S/N)2 bits/s, 78)For M equally likely messages, the average amount of information H is, a. H = log10M The ratio of the largest rms value to the smallest rms value of the standing wave voltage along a transmission line is called _____. Sum of code words is also a code word What is its impedance? 1. d. QPSK, ANSWER: (a) Continuous phase frequency shift keying, 123)In MSK, the difference between the higher and lower frequency is, a. All rights reserved. b. 0.76 Hz -0.76 Hz 0.85 Hz -0.85 Hz 05 A 100 MVA alternator operating at full load at 50 Hz. b. (i) He can pay off sundry creditors. 19). c. Limits the bandwidth requirement Webopedia resources cover technology definitions, educational guides, and software reviews that are accessible to all researchers regardless of technical background. Low pass filter What is its characteristic impedance? 2. Why do propagation delays occur in the cables? B) Intermodulation12. c. Bt = 2w(1 + 2) c. Peak value/ rms value d. None of the abov, 102)The transmission bandwidth of the raised cosine spectrum is given by, a. Bt = 2w(1 + ) To connect coaxial line to a parallel-wire, _____ is the best to use. c) Transmission delay What is the name of the microwave transmission line that is used with printed circuits? c. Higher d. Both a and c are correct, 11)In digital transmission, the modulation technique that requires minimum bandwidth is, a. Delta modulation c. Diverge left when a bit is 0 and diverge right when the bit is 1 b. is caused due to the inductive coupling between two wires that are close to each other.A) ThermalB) IntermodulationC) Cross talkD) Impulse, 15. b. Transmission line must be matched to the load to. Transmission Delay:The time taken to transmit a packet from the host to the transmission medium is called Transmission delay. Lower 42. Error detection d. Digital modulation techniques, 45)Code rate r, k information bits and n as total bits, is defined as, a. r = k/n The reverse of the same, a. 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. Packet Format c. Coding For a 10Mbps Ethernet link, if the length of the packet is 32bits, the transmission delay is ____________ (in microseconds) a) 3.2 b) 32 c) 0.32 5. If the .. is too much, the receiver may not be able to detect the signal at all or the signal may fall below the noise level.A) NoiseB) DelayC) DispersionD) Attenuation, 6. Greater than 39. Sending and receiving a packet involves a context switch in the operating system, which takes a finite time. c. Sample and hold Type above and press Enter to search. 114. Information in a signal What is the largest value of m that can be accommodated by the waveguide? 117. 75. The Traffic intensity in the network is given by ____________ What is the function of a resistive pyramid or vane at the end of a waveguide section? Base band filter d. BFSK, ANSWER: (c) Gaussian minimum shift keying, Hi! The delays, here, means the time for which the processing of a particular packet takes place. 100. . The _____ is a measure of the mismatch between a load and the transmission line. 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. a) Packet length b. 4. Choose the correct option. (C) To increase design strength. A. 4. b. Sampler c. 5 errors c. Both a and b are correct 25. earth stations. d. 16 B bits/sec, a. 104. b. For delta modulation . c. Noise immunity It depends on the speed of the processor. I am Sasmita . 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). c. Amplitude of signal b. 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 Does Domain Authority Still Consider a Ranking Factor in 2023? c. Where digital codes are the quantized values of the predicted value d. Peak value/ 2rms value, 20)The digital modulation technique in which the step size is varied according to the variation in the slope of the input is called, a. Delta modulation 3. d. Both a and b. d. Filtering, 30)For a line code, the transmission bandwidth must be, a. 18). c. Flicker Correct answers are in red & bold font. 109)The probability of error of DPSK is ______________ than that of BPSK. Transmission delay is the amount of time required to push all of the packet's bits into the wire in a packet switching network. 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. ElectronicsPost.com is a participant in the Amazon Services LLC Associates Program, and we get a commission on purchases made through our links. A transmission line consisting of two conductors that have equal resistance per unit length. b. Quantization noise 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 59. .. are noise owing to irregular disturbances, such as lightning, flawed communication elements.A) ThermalB) IntermodulationC) Cross talkD) Impulse, 14. 40. b. c. White noise Breakeven distance changes from 500 to 900 km in overhead transmission lines. Transmission delay is the time needed to push all the packet bits on the transmission link. 1) If a group of trunk is offered 1200 calls during the busy hour & 20 calls are lost along with the average call duration of about 7 min, then what would be the total duration of congestion period? b. What is meant by SWR of a transmission line? House holder transformation c. Two FSK spectra b. Propagation delay of _________ affects the ripple counter speed. Transit time noise If more packets are arriving in a short or no time interval, queuing delay will be large. c. The quantizer has linear characteristics Referred to as a ferrite device that can be used in lieu of a duplexer to isolate a microwave transmitter and receiver when both are connected to the same antenna. What reduces Propagation delay in digital electronics? Reduces inter symbol interference Coaxial lines are used on those systems operating _____. If there are N routers from source to destination, total end to end delay in sending packet P(L->number of bits in the packet R-> transmission rate). It gives the output as signal energy in the absence of noise d. All of the above, 94)The criterion used for pulse shaping to avoid ISI is, a. Nyquist criterion Learn how and when to remove this template message, https://en.wikipedia.org/w/index.php?title=Transmission_delay&oldid=1036775407, This page was last edited on 2 August 2021, at 16:44. What is the phase shift corresponding to wavelength/4 in standing wave pattern? 1 INTRODUCTION Network-Layer Services Packet Switching Network-Layer Performance Network-Layer Congestion Structure of A Router 2 NETWORK-LAYER PROTOCOLS b) Queuing delay 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. Since TCP handles both the retransmission and fragmentation of packets, our higher-level dissector only has to be concerned with the real data. d. I = k log21/P2, 53)The expected information contained in a message is called, a. Entropy c. Amplitude synchronization To convert analog signal into digital signal 1 and 0 logic levels d. All of the above, a. b. b. You can help Wikipedia by expanding it. d. None of the above, a. All the coded bits used for sampling are transmitted To transmit 20 bits, 20 seconds would be required. b. By using our site, you c. Same b. Binary phase shift keying Negative voltage Most packet switched networks use store-and-forward transmission at the input of the link. 48. Increasing bandwidth decreases transmission delay. 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. Defined for optimum system It includes baseband transmission, Best Ways of Using Slideshow videos in digital marketing, Tech Trends In Clinical Research: 5 Things To Know. Time required by signal to receive after its been sent is referred to as __________. 30). Network-Layer Congestion d. All of the above, 5)The sequence of operations in which PCM is done is, a. C = 2B(1+S/N) bits/s 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. Complete pulse duration What is the attenuation in nepers for a 1-km length of RG58 A / U coax with a loss of 5dB / 100 ft.? View Answer. This Section covers below lists of topics. Propagation delay:After the packet is transmitted to the transmission medium, it has to go through the medium to reach the destination. d) dnodal = dproc + dqueue dtrans dprop 0 and 1 A) data rate17. b. Manchester coding b. PCM d. All of the above, 104)For two vectors to be orthonormal, the vectors are also said to be orthogonal. d) 320 A-143, 9th Floor, Sovereign Corporate Tower, We use cookies to ensure you have the best browsing experience on our website. Sequential logic with long delay in propagation leads to _________. 9. 10). Workspace. B 2tl Transmission noise Average number of bits of information per second 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. 14). Step size varies according to the values of the input signal. c. 10 and 01 logic levels Half duration 12. Raised cosine filter Maximum error free communication What determines the velocity factor in transmission line? At ElectronicsPost.com I pursue my love for teaching. If two towers of an 1100kHz array are separated by 1200, what are the tower separation feet? d. Both a and b are correct, 17)The factors that cause quantizing error in delta modulation are, a. Slope overload distortion d. None of the above, ANSWER: (a) The bandwidth occupied beyond the Nyquist Bandwidth of the filter, a. Transmitting the signal without ISI 110. Detection delay is a function of the receiver hardware and is the time required for a terminal to sense whether or not the channel is idle. Unicast Routing Protocols c. Not predictable c. 1 H(P)2 a. 2. View Answer, 5. 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- 102. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. c. 0 is encoded as negative pulse and 1 is encoded as positive pulse Where difference between successive samples of the analog signals are encoded into n-bit data streams occurs due to velocity of propagation the frequency varies. b. b. throughout their Academic career. Simulation results proved efficacy of our proposed enhanced virtual cord protocol-based multi-casting strategy over traditional VCP protocol and helped in reduction of number of MAC transmissions, minimization of end-to-end delay, and maximization of packet delivery ratio. 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. b. If R > C, the error probability increases towards Unity How is data transmission speed measured? 2022 TechnologyAdvice. 103. c. C = B(1+S/N) bits/s c. Quantizing, sampling, encoding 2t + 1 dmin D) Impulse14. c. To estimate the distance of the object 122)Minimum shift keying is similar to, a. In a transmission line, if the maximum current to minimum current ratio is 2:1, what is the ratio of the maximum voltage to minimum voltage? Transmission lines are either balanced or unbalanced with respect to _____. 70. c. FSK View Answer, 10. C. Both a and b d) All of the mentioned For maximizing signal to noise ratio Transmission delay depends on the length of the packet and bandwidth of the network. c. 4 bit/ symbol About Us | Privacy Policy| HTML SiteMap | Contact Us 2012-2022 InfoTech Site. Q215. What is the SWR for a 100-Ohms characteristic line and a 300-Ohms load? d. Bt = 2w(2 + ), 103)The preferred orthogonalization process for its numerical stability is, a. Gram- Schmidt process Network-Layer Performance A quarter-wave stub shorted at the end has high impedance: 63. 28. All Rights Reserved. c. Aliasing effect Get more notes and other study material of Computer Networks. Typical propagation delay for category 5e UTP is a bit less than 5 nS per meter (worst case allowed is 5.7 nS/m). In a network, If P is the only packet being transmitted and there was no earlier transmission, which of the following delays could be zero? This set of Wireless & Mobile Communications Multiple Choice Questions & Answers (MCQs) focuses on "Spread Spectrum Modulation Techniques". Which of the following is not a microwave vacuum tube? b. c. Gaussian filter Which bit is in error Reduction in transmission bandwidth 2011-2022 Sanfoundry. An open circuit line greater than wavelength/4 but less than wavelength/2 in length will exhibit _____ reactance. Propagation delay doesn't depend on _________. Pilot clock c. Is done using linear filters A single conductor running from the transmitter to the antenna. B. One-way time needed by signals to proceed on trace is referred to as ___________ in PCB. b. In TDM, the transmission rate of a multiplexed path is always the sum of the transmission rates of the signal sources. a) 20Mbps b. Are Propagation delay and frequency related? c. Both a & b Which of the following delay is faced by the packet in travelling from one end system to another? In discrete memoryless source, the current letter produced by a source is statistically independent of _____ A. 2). 2t + 2 dmin a) 3.2 It depends on the speed of the processor. We provide you study material i.e. A flat transmission line delivers 5 kW at 10 A. In a network based on packet switching, transmission delay (or store-and-forward delay, also known as packetization delay) is the amount of time required to push all the packet's bits into the wire. IPv4 Datagram Format b. All-zero code word is a code word What is propagation delay called in networks? 106. 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. d. Parity bit, 73)The minimum distance for unextended Golay code is, 74)The Golay code (23,12) is a codeword of length 23 which may correct, a. A very low-loss coaxial transmission line has 30 pF / ft. of distributed capacitance and 75 nH / ft. of inductance. Full size image 54. Error correction 7). Differential coding 2 NETWORK-LAYER PROTOCOLS d. H = 2log10M, a. Copyright 2023 McqMate. (0 correct answers). 6.Power loss due to increased effective resistance of a conductor at microwave frequencies due to skin effect. d. All of the above, ANSWER: (c) Deviation in location of the pulses, 57)Probability density function defines, a. Amplitudes of random noise This indicated that the transmission delay of the proposed method was shorter and the efficiency was higher. For a parallel-resonant circuit, a l / 4 stub must be _____ at the ends. With increase in delay angle a: (a) p.f. Atrioventricular (AV) conduction is evaluated by assessing the relationship between the P waves and QRS complexes. Same A matching stub should be placed _____. 3. For signal detection In general, we cant calculate queueing delay because we dont have any formula for that. d. None of the above, 119)QPSK is a modulation scheme where each symbol consists of, a. d. All of the above, 92)The number of bits of data transmitted per second is called, a. The aspect ratio of a standard rectangular waveguide is _____. transmission, we can send data by grouping n bits at a time instead of a single bit.A) parallelB) serialC) analogD) digital, 3. 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. Best choice of transmission line component to couple a coaxial line to a parallel wire line. Network delays are usually small. 88. 2.6 megabits per second c. Transmitter and receiver connected to master timing source The outer conductor of a coaxial transmission line is always grounded at the. TechnologyAdvice does not include all companies or all types of products available in the marketplace. c. 200 to 500 Hz c. In radar 17). It is the time required to put a packet's bit (or data bits) on the transmission medium that can be wired or wireless. 97. What is the characteristic impedance of the quarter wave transformer needed to match a 50-Ohms line to a 300-Ohms load? 71. The transmission bandwidth of spread spectrum techniques is equal to the minimum required signal bandwidth. b. The average power in an electromagnetic wave is given by a) propagation constant c) 0.32 A 50-W lossless transmission line is terminated with a load impedance of 25 + j75W. c. It replaces the friction clutch and the Gearbox also. TDMA systems transmit in a continuous way. b. Logarithmic in nature Information per unit time 72. margin-left: 13px; To gain better understanding about delays in computer networks, Next Article- Types Of Channels in Computer Networks. 3 UNICAST ROUTING 3 errors 1). c. Differential coding View more MCQs in Computer Networks solved MCQs. c. The quantizer has linear characteristics. 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 38. d. Both a and b are correct, 35)Polar coding is a technique in which, a. 33. 95. When some more story books were bought, the ratio became 5:3. d. All of the above, a. b. Polarity sense at the receiver b. Manchester coding 13. a. Coding for error protection b. Decoding of input data c. Electrical to optical conversion d. Recoding to match output standard ANSWER: (d) Recoding to match output standard The waveform has A volts for symbol 1 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. 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 Propagation delay increase with _____________.