Download AKTU B-Tech 8th Sem 2016-17 NEC802 Optical Networks Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 8th Semester (Eight Semester) 2016-17 NEC802 Optical Networks Question Paper

This post was last modified on 30 January 2020

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DUET Last 10 Years 2011-2021 Question Papers With Answer Key || Delhi University Entrance Test conducted by the NTA

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Time: 3 Hours

B.TECH.

THEORY EXAMINATION (SEM–VIII) 2016-17

OPTICAL NETWORKS

Max. Marks : 100

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Note: Be precise in your answer. In case of numerical problem assume data wherever not provided.

SECTION - A

Explain the following:
1. What is Extinction Ratio?
2. What are the advantages of WDM?
3. What are the three topologies used for fibre optical network?
4. What is OLT?
5. What is SONET / SDH?
6. Define Crosstalk.
7. Give the important features of time-slotted optical TDM network
8. What is meant by cross- phase modulation (XPM)?
9. What is HDLC?
10. What is total number of switches in CLOS Architecture?
10 x 2 = 20

SECTION - B

Attempt any five of the following questions:

1. What are large optical switches? Give an account of various architecture used for building optical switches.
2. Give a brief account of SONET/SDH layers with Non-linear diagram.
3. Explain the Architecture of OADMS.
4. Explain briefly main categories of building blocks of optical network in Optical communication system.
5. Explain briefly IP routing and forwarding with help of Diagram and also mention its quality of services.
6. What are Bragg Gratings? Explain with Diagram.
7. Explain briefly main categories of building blocks of optical network.
5 x 10 = 50

SECTION - C

Attempt any two of the following questions:

Write a short note on optical switching technologies. Briefly explain all the approaches with diagram.

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Discuss the various schemes on optical layer protection.
What are Design Parameters for light Path Topologies in WDM Networks? Calculate design parameter required in determining and minimising network cost in PWDM network.

2 x 15 = 30