JNTU
JNTU B.Tech IV WEB SERVICES Previous Question Paper (May-2019 - R15)
Note: This question paper contains two parts A and B. Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.
Part A
What is a Web Service?
Answer
A Web Service is a software system designed to support interoperable machine-to-machine interaction over a network. It provides a standardized interface for applications to exchange data using web protocols like HTTP, typically utilizing XML or JSON formats.
List the Challenges in Distributed Computing.
Answer
- Heterogeneity of hardware, software, and networks.
- Openness and the need for standardized communication protocols.
- Security, privacy, and data integrity across distributed nodes.
- Scalability and handling increased load across distributed resources.
- Failure handling and maintaining consistency in a distributed environment.
What is mean by SOAP messaging?
Answer
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What is SOAP and why is it important?
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Compare Public and Private UDDI Registries.
Answer
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What are the UDDI registry operational modes?
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Define Digital Certificate.
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What do you mean by SAML?
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What is meant by SOA?
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Why do we need SOA?
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Part B
Explain in detail the basic operational model of WEB Services.
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Discuss the role of J2EE and XML in Distributed computing.
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With neat sketch explain Web services Architecture.
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Write about standards and technologies available for implementing Web Services.
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Write in detail about SOAP Architecture and how it differs from HTTP and XML.
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Explain in detail SOAP Message Exchange Models.
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List and explain Limitations of SOAP.
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Discuss about SOAP binding defined by the WSDL.
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What are the Functionalities provided by WSDL tools?
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Describe the seven key structural elements of a WSDL definition document.
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How to perform searching and deleting information in a UDDI Registry? Explain.
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Discuss the basic concept of .NET framework.
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Write about creating a .NET client for an Axis Web Service.
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Explain in detail about XML Digital Signature.
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Compare and contrast Symmetric Cipher and Asymmetric Cipher.
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List and explain Key Service characteristics of SOA.
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Discuss in detail Service-Level Data Models.
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Explain Security and Interaction Patterns in SOA.
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List and explain technical benefits of a SOA.
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