Gujarat Technological University 2010 M.E Service Oriented Architecture - Question Paper

GUJARAT TECHNOLOGICAL UNIVERSITY
M.E Sem-I exam January 2010
Subject code: 710101 Subject ame: Service Oriented Architecture

Total Marks: 60
Instructions:
1. Attempt all ques..
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Why XML is preferred for documents in SOA implementations? 06
(b) Create an XML Schema for a Document based on input beneath for an online
mobile shop
a) A "Mobile" is a base abstract kind which is having attributes as
"Manufacturer" (eg. Nokia, Samsung) and "ModelNumber"
b) a different kind "GSM Mobile" has been derived from abstract "Mobile"
type
c) In addition "GSM Mobile" will also have "ConnectivityType"
Using above schema represent a document for a GSM Mobile with subsequent
attribute values in XML
Manufacturer : Nokia; Model Number : N73; Connectivity Type: Blue
Tooth,Infrared,USB
06
Q.2 (a) Draw business process model for ordering a cellular phone at an online mobile
store, where payments are accepted by credit cards and shipping is being
managed by an agency based on request by store.
06
(b) elaborate challenges for SOA? List the architectural requirement of every
challenge
06
OR
(b) Draw schematic diagram of layered architecture, discuss every layer. 06
Q.3 (a) Write a brief note on Software Architecture of SOA 06
(b) Write a brief note on conceptual contents of the SOA reference architecture 06
OR
Q.3 (a) Write a brief note on Service Dimensions of SOA 06
(b) What minimum SOA should specify? 06
Q.4 (a) explain and Differentiate ranging from 2 common approaches to incorporating
SaaS into an overall SOA.
06
(b) Why "Stateless" interfaces are preferred while designing SOA ? discuss with
suitable example
06
OR
Q.4 (a) What is ''SOA Stovepipes'', What leads to such situation? 06
(b) What is Programmatic Service Composition? elaborate the major drawbacks
of this approach?
06
Q.5 (a) Why 2 Phase Commit (2PC) Protocol based transactions are not preferred during
composition of a service? Which approach you will suggest to avoid/compliment
2PC
06
(b) Write a brief note on Hierarchical and conversational composition of services 06
OR
Q.5 (a) Write a brief note on how service composition is driven by business rules 06
(b) What semantics are important in SOA ? define 3 basic layers of maturity
for semantic interoperability.
06
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Earning:   Approval pending.