JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech IV Year WEB SERVICES AND SERVICE ORIENTED ARCHITECTURE Previous Question Paper (June - 2024 - R16)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. iii) In Part B, Answer any one question from each unit.
Part A
Define Distributed Computing.
Answer
Distributed Computing is a field of computer science that involves the study of distributed systems, which are collections of independent computers that appear to the user as a single coherent system. These systems communicate and coordinate their actions by passing messages over a network to achieve a common goal.
What are the benefits of web services?
Answer
- Interoperability: Web services allow different software applications running on various platforms and written in different languages to communicate seamlessly.
- Reusability: Existing services can be reused across multiple applications, reducing development time and effort.
- Loose Coupling: Services are independent of each other, meaning changes in one service do not necessarily require changes in the client application, promoting system flexibility.
List out Core building blocks of Web Services.
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Write short note about WSDL binding.
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Define Document Type Declaration.
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What is Reliable Messaging?
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What do you understand by Web Service Notification?
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What are the ways of interacting with a UDDI Registry Service?
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Give the basic concept of .NET framework.
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Write about Richer Schema Language.
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Part B
Explain the role of J2EE and XML in Distributed Computing.
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Discuss briefly about tools and technologies enabling Web Services.
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Discuss about Java RMI architectural model. Give its advantages and disadvantages.
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What are Web Services? Why we need to use Web Services?
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Explain the basic steps involved in implementing Web services.
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List and explain the limitations of WSDL.
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What are the functionalities provided by WSDL tools? Discuss.
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Explain in detail about Characteristics of web services.
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Explain XML transformation with XSL.
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Outline the various advantages and disadvantages of SOAP.
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Explain in detail about XML schema and XML files.
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Explain the two types of communication models supported by SOAP.
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What are the various Service Discovery mechanisms? Discuss.
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Describe in detail about UDDI usage model.
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Explain the two XML-based programming APIs used for communicating with the UDDI registry node.
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How UDDI is related with WSDL? Discuss.
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Write about Standard Management Frameworks.
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Explain the challenges that affect Interoperability in Web services.
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Explain the components of XML Key Management Specification (XKMS).
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Briefly explain the roles of Metadata Services.
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