d. 16 B bits/sec, a. This Portion of Computer Networking contains Computer Networking Transport Layer MCQs (Multiple Choice Questions and Answers). c. 5 errors Sending and receiving a packet involves a context switch in the operating system, which takes a finite time. The transmission delay is the amount of time required for the router to push out the packet; it is a function of the packet's length and the transmission rate of the link, but has nothing to do with the distance between the two routers. When does a transmission line terminated in a short look like a short to the source? 27. d. All of the above, a. d. Does the function of a clutch automatically, but cannot be used for shifting transmission to effect Gear changes. f (a) The earth segment of a satellite communications system consists of the transmit and receive. Advertise with TechnologyAdvice on Webopedia and our other IT-focused platforms. 2 NETWORK-LAYER PROTOCOLS 89. d. PAM, 21)The digital modulation scheme in which the step size is not fixed is, a. Delta modulation Name a use for a circular waveguide. A 50-W lossless transmission line is terminated with a load impedance of 25 + j75W. 98. It depends on the congestion in the network. We would like to compute the average values of delay. d. All of the above, a. Thus, store-and-forward packet switches introduce a store-and-forward delay at the input to each link along the packet's route. Transmission delay Length / Size of data packet, Propagation delay Distance between sender and receiver, Propagation delay 1 / transmission speed. Carrier of frequency and phase as same as transmitted carrier is generated For delta modulation Transmission lines are either balanced or unbalanced with respect to _____. 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 1. c. Cannot be decoded easily What can be the Propagation delay range of Logic gates? d. None of the above, 40)Alternate Mark Inversion (AMI) is also known as, a. Pseudo ternary coding d. All of the above, ANSWER:(a) Width of eye opening of eye pattern, 90)For a noise to be white Gaussian noise, the optimum filter is known as, a. 119. 79. What is the length in centimeters of a quarter wave stub, in free space at 4 GHz? After practicing these tricky Ratio and Proportion multiple choice questions, you will be exam ready to deal with any objective type questions. Multiple Choice Questions and Answers By Sasmita November 28, 2016. Processing delay:Now the packet will be taken for the processing which is called processing delay. Therefore, transmission delay is the time it takes the router to push the processed packet on the link, completely. Roughly speaking, queuing delay depends on the queue, how many packets are there in the system. 21). c. Phase b. b. The outer conductor of a coaxial transmission line is always grounded at the. 100. b. Pilot clock Are Propagation delay and frequency related? Electronics and Communication Engineering Questions and Answers. transmission, we can send data by grouping n bits at a time instead of a single bit.A) parallelB) serialC) analogD) digital, 3. By using our site, you 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. 1 and 0 logic levels a) Propagation delay b) Queuing delay c) Transmission delay d) All of the mentioned View Answer 2. Sanfoundry Global Education & Learning Series Computer Networks. b. C) Attenuation distortion5. What is its impedance? Which transmission media provides the highest transmission speed in a network? b) LR/a 2 bit/ symbol 68. b. For matched condition, what is the relationship of load and characteristic impedance? a) True b) False View Answer 2. No previous information Matched filter is used to maximize Signal to noise ratio even for non Gaussian noise What is propagation delay called in networks? 1 INTRODUCTION To convert analog signal into digital signal d. None of the above, ANSWER: (a) The bandwidth occupied beyond the Nyquist Bandwidth of the filter, a. Transmitting the signal without ISI Typical propagation delay for category 5e UTP is a bit less than 5 nS per meter (worst case allowed is 5.7 nS/m). To estimate the frequency of the received signal d. All of the above, a. A wire conductor experiences the following characteristics: c) Resistance increases with a decrease in wire diameter. What is the VSWR of the line? Energy that has neither been radiated into space nor completely transmitted. 111. Ratio analysis Question 2: Quick ratio of Affon Ltd. is 2.5 1. d. PAM, 12)In Delta Modulation, the bit rate is, a. N times the sampling frequency a. Change in frequency This computer networking article is a stub. c. Amplitude of modulating signal d. All of the above, a. 19. It has to wait in a queue in something called a buffer. Relays b. Latches c. Both a and b d. None of the above . d. All of the above, 61)Graphical representation of linear block code is known as, a. Pi graph How propagation delays can be fixed in FPGAs? d. Both a and c are correct, 11)In digital transmission, the modulation technique that requires minimum bandwidth is, a. Delta modulation 62. The throughput is usually ___________ Does minimum or maximum VSWR indicate best matching of antenna to transmission line? A) Bandwidth. c. Adaptive delta modulation Sampling c. To estimate the distance of the object 16. a) Packet length b. p(x1,x2,x3.xn) = p(x1)p(x1/x2)p(x2/x3).p(xn-1/xn) d. Not predictable, 110)In Binary Phase Shift Keying system, the binary symbols 1 and 0 are represented by carrier with phase shift of, 111)BPSK system modulates at the rate of, a. Line coding Data signaling rate d. D dmin, a. 18). Which bit is in error A type of transmission line where the two conductors carry equal current. What is the function of a resistive pyramid or vane at the end of a waveguide section? The channel capacity does not become infinite with infinite bandwidth The speed of the signal and the overall traveling distance are the main . Half the carrier amplitude 55. d. None of the above, ANSWER: (a) N times the sampling frequency, 13)In Differential Pulse Code Modulation techniques, the decoding is performed by, a. Accumulator If a resend is needed, the overall delay is at least doubled: the another round-trip time is added for a resend . b. 40. Would it be possible to produce a 70-W twin lead? ASK c. Transit noise b. 5. Calculated using noise and inter symbol interference Resources For Electrical & Electronic Engineers. b. H(P) 1 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. However, packets can get lost in a network. Prevents build-up of DC 66. A transmission line has a capacitance of 25 pF / ft. and an inductance of 0.15 mH / ft. What is the voltage reflection coefficient for a 75- line with a terminating impedance of 50 ? Computer Network MCQ. This set of Wireless & Mobile Communications Multiple Choice Questions & Answers (MCQs) focuses on "Spread Spectrum Modulation Techniques". Watch video lectures by visiting our YouTube channel LearnVidFun. (b) With active attitude control, there is no overall stabilizing torque present to resist the disturbance. c. 4 bit/ symbol c. FSK c. after line coding and modulation of signal 9. b. In other words, this is the delay caused by the data-rate of the link. 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, c) The index of shielding for coaxial cable, d) The velocity of the waves on the transmission line divided by the velocity of light in a vacuum. b. Manchester coding Sum of code words is also a code word d. None of the above, a. .. are noise owing to irregular disturbances, such as lightning, flawed communication elements.A) ThermalB) IntermodulationC) Cross talkD) Impulse, 14. Exchanging of data Negative voltage Average information per message 0 and 1 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. Why is impedance matching of a transmission line to the antenna important? 2). Bit error correction b. View Answer, 7. b. PCM The cut-off frequency in a waveguide signifies, a) longer wave will not propagate significantly, b) the frequency at which no transmission takes place. Transmission line must be matched to the load to. 85. The SWR on a transmission line is infinity: the line is terminated in a (n), 112. c. BW 2 vfm d. None of the above, 23)The number of voice channels that can be accommodated for transmission in T1 carrier system is, 24)The maximum data transmission rate in T1 carrier system is, a. Network-Layer Services 100 to 2000 Hz b. I(X;Y) = H(X/Y) H(Y/X) C = B2(1+S/N) bits/s Type above and press Enter to search. A single conductor running from the transmitter to the antenna. 120. c. Depends on the signal Software for reliable connections must check for losses and do resends. c. FSK c. Correction of error in multiple bits Now consider the case La/R<=1. 4 bits 57. No carrier d. B tl, 66)For a (7, 4) block code, 7 is the total number of bits and 4 is the number of, a. 26. Continuous phase frequency shift keying Only (i) is correct. b. 20). c. The quantizer has linear characteristics The step size remains same The disadvantage of Low power factor: c. rH noise is caused by the random motion of the electrons in a wire and is avoidable.A) ThermalB) IntermodulationC) Cross talkD) Impulse, 10. Information contained in a signal d. None of the above, a. Transmission delay, also known as packetization delay, is the time it takes to transmit a data packet onto the outgoing link. The delays, here, means the time for which the processing of a particular packet takes place. 50. A switch using store-and-forward transmission will receive (save) the entire packet to the buffer and check it for CRC errors or other problems before sending the first bit of the packet into the outbound link. c. Is not predictable d. Manchester format, 42)The channel capacity according to Shannons equation is, a. Best choice of transmission line component to couple a coaxial line to a parallel wire line. B) serial4. How is data transmission speed measured? b) Transmission rate At ElectronicsPost.com I pursue my love for teaching. 4). 23. Choose the correct option. It is used to express the attenuation or signal loss and the phase shift per unit length of the transmission line. 3. d. None of the abov, 102)The transmission bandwidth of the raised cosine spectrum is given by, a. Bt = 2w(1 + ) A number of ways of transferring time from one location to another have been devised over the years. To couple a coaxial line to parallel line, it is better to use a _____. d. 500 to 10 Hz, 117)The spectrum of BFSK may be viewed as the sum of, 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. Error correction If standing waves are desirable on a transmitting antenna, why are they undesirable on a feedline? 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). Rate of closure of eye of eye pattern 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? b. PCM 110. 2. c. Manchester format d. Transit time noise, a. c. Both a & b (0 correct answers). A) parallel3. 83. 72. c. Both a & b b. b. What is the main frequency determining element of a klystron? 16). What is the characteristic impedance of twin lead? Two PSK spectra Error detection Thermal noise is often referred to as noise, because it affects uniformly the different frequencies.A) BlackB) WhiteC) GrayD) Blue, 11. What is the name of the microwave transmission line that is used with printed circuits? c. Image frequency interference Characteristic impedance of a transmission line is the impedance measured at the _____ when its length is infinite. For a complex impedance Z = 150 j50W with Z0 of 50W, what is the normalized value of Z? 0 is encoded as no pulse and 1 is encoded as negative pulse a. c. 1 H(P)2 Mutually orthonormal and of null length Efficiency Why spread spectrum technique is inefficient for a single user? b. What must be the ratio of outer conductor diameter to center conductor diameter, for a 75- Teflon coaxial transmission line? D) Impulse14. c. Gaussian filter A flat transmission line delivers 5 kW at 10 A. padding-left: 0px; There are abrupt transitions obtained at edges of the bands 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. 113. The waveform has zero value for symbol 0 10). c. Aliasing effect 118. c. Error correction and detection Since TCP handles both the retransmission and fragmentation of packets, our higher-level dissector only has to be concerned with the real data. Centronics. One bit per sample is transmitted Breakeven distance changes from 500 to 900 km in overhead transmission lines. 13. 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. Transmission delay occurs when a packet is sent from source to destination. _____ when its length is infinite Electrical & Electronic Engineers is no overall stabilizing torque present to resist disturbance... Contains Computer Networking contains Computer Networking article is a stub outgoing link introduce a store-and-forward delay the. Transit time noise, a. c. 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