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

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Note :
B.TECH.
THEORY EXAMINATION (SEM?VIII) 2016-17
OPTICAL NETWORKS
3 Hours Max. Marks : 100
Be precise in your answer. In case ofnumericalproblem assume data wherever not provided.
SECTION ? A
Explain the following: 10 x 2 = 20
(a) What is Extinction Ratio?
(b) What are the advantages of WDM?
(c) What are the three topologies used for fibre optical network?
(d) What is 0LT?
(e) What is SONET / SDH?
(1) Define Crosstalk.
(g) Give the important features of time?slotted optical TDM network
(h) What is meant by cross- phase modulation (XPM)?
(i) What is HDLC?
(j) What is total number of switches in CLOS Architecture?
SECTION ? B
Attempt any ?ve of the following questions: 5 x 10 = 50
(a) What are large optical switches? Give an account of various architecture used for
building optical switches.
(b) Give a brief account of SONET /SDH layers with diagram.
(c) Explain the Architecture of OADMS.
(d) Explain brie?y main categories of Nonlinear effects in Optical communication system.
(e) Explain brie?y IP routing and forwarding with help of Diagram and also mention its
quality of services.
(1) What are Bragg Gratings? Explain with Diagram.
(g) Draw and explain the building blocks of optical network.
SECTION ? C
Attempt any two of the following questions: 2 x 15 = 30
Write a short note on optical switching technologies. Brie?y explain all the approaches with
diagram.
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.
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