B.TechSemester 72022-23Optical NetworkKEC073
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Optical Network (KEC073) - AKTU Question Paper 2022-23

B.Tech · Semester 7 · Free PDF Download

This is the official AKTU Optical Network Previous Year Question Paper for B.Tech Semester 7, academic session 2022-23. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 7
Session:2022-23
University:AKTU / UPTU

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Questions Asked in 2022-23

Optical Network (KEC073) — complete question paper

Section AAttempt all questions in brief. 2x10 = 20
  • a
    Identify the full form of SDH
  • b
    Identify the central frequency used in long haul fiber opti c communication
  • c
    Estimate the amount of time needed to process 70 bytes smal l Ethernet packet data at 10 Gb/s data rate
  • d
    Identify the scatteri ng matrix for 2×2 couplers
  • e
    Define dedicated protection
  • f
    Define optical line amplifier
  • g
    Define the spectral efficiency
  • h
    Identify two classes of stati stical traffic models that can be used in solvin
  • g
    the dimensioning problem of networks. (i) Define burst switching. (j) Name the type of optical fib er cable used in long haul communication
Section BAttempt any three of the following: 10x3 = 30
  • a
    Differentiate between li near and nonlinear scattering
  • b
    Illustrate working principle of grating
  • c
    Identify the header of ATM layer
  • d
    Illustrate the difference between network survivability and network protection
  • e
    Illustrate Optical Tim e Division Multiplexing
Section CAttempt any one part of the following: 10x1 = 10
  • a
    Identify the non linear effec ts observed in optical fiber
  • b
    Derive the relation betwee n wavelength separation and frequ ency separation
  • a
    Illustrate the working pr inciple of bragg gratings
  • b
    Illustrate the difference between inter-channel and intra-c hannel crosstalk
  • a
    Illustrate serial, paralle l, and band drop OADM architecture
  • b
    Illustrate any five service provisions offered by optical c ross connect
  • a
    Discuss the cost tradeoff among ring, hub and mesh design of five node network with suitable assumptions
  • b
    Consider three nodes A, B, and connected by fiber optic WDM links. Assume the traffic generated is in the form of IP packets from routers located at these nodes with all router interfaces operate at 10 Gbps, which is also the transmission capacity on each wavelength on t he WDM links. Now suppose, based on estimates of the IP packet tra ffic, 50Gbps of capacity is required between all three pairs of route rs: A-B, B-C, and A-C. Propose an efficient network design solution to problem
  • a
    Illustrate 1+1, 1:1 and 1: N protection techniques for poin t-to-point links
  • b
    Illustrate the handling of node failure in Bidirectional Li ne Switched Ring

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

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