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2003 Course System Operations & Maintenance

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Total No. of Questions : 12] P1534 [Total No. of Pages : 02 [3764] - 438 B.E. (IT) SYSTEM OPERATIONS & MAINTENANCE (2003 Course) (414448) Time : 3 Hours] [Max. Marks : 100 Instructions to candidates: 1) Answer 3 questions from Section I and 3 questions from Section II. 2) Answers to the two sections should be written in separate books. 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. 5) Your answers will be valued as a whole. 6) Use of logarithmic tables slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed. 7) Assume suitable data, if necessary. SECTION - I Q1) a) b) Q2) a) b) Q3) a) b) Explain the benefits when advanced support systems are deployed by the Telecom service provider. [9] With a short description explain the support processes related to order processing and provisioning process. [9] OR With a short description explain the network operational management process. [9] Explain service delivery cycle with neat diagram. [9] Explain. i) Permanent virtual circuits. ii) Switched virtual circuits. iii) Semipermanent virtual circuits. Explain the concept Local number portability OR [8] [8] P.T.O. Q4) (a) Explain with neat diagram topology of SS7 network. (b) List and explain QOS factors of IP based services and products. [8] [8] Q5) a) b) [8] [8] Q6) a) b) Explain in detail web switching. With a neat diagram explain directory enabled networking. OR Explain in detail policy based networking. With a neat diagram explain MPLS. [8] [8] SECTION - II Q7) a) b) Q8) a) b) Q9) a) b) Q10)a) b) Compare and constrast X.25 usage. [8] Explain ISDN. [8] OR Explain the significance of frame Relay services as one of the alternatives of fast packet switching. [8] Explain ATM. [8] With a neat diagram discuss TMN physical architecture and interfaces.[8] List the goals of telecommunication service providers with middleware.[8] OR Draw a neat diagram of structure of SNMP based management services and list the strengths and weakness of SNP. [8] [8] Write a note on common Information model. Q11)a) b) Explain Internet billing. [9] Discuss the significance of periodic security audit for a telecommunication service provider. [9] OR Q12)a) Write a job profile of typical network operation manager. [9] b) What is SLA? List some service dependent and service independent metrices for the same. [9] EEE [3764]-438 2

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