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3331 Web Services (CSE)

This document appears to be a past exam paper for a Web Services course from Jawaharlal Nehru Technological University Hyderabad. The exam consists of two parts: Part A with 10 short answer questions worth 25 marks total, and Part B with 5 longer answer questions worth 50 marks total, each with 2 subquestions. The questions cover topics such as defining web services, advantages of distributed computing, SOAP faults, serialization, extensibility elements, creating Java code from WSDL, service discovery, rapid-fire cryptography, interacting with UDDI registries, symmetric vs asymmetric algorithms, core web services standards, implementing web services, SOAP message elements and exchange model, web service lifecycle and WSDL

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75 views2 pages

3331 Web Services (CSE)

This document appears to be a past exam paper for a Web Services course from Jawaharlal Nehru Technological University Hyderabad. The exam consists of two parts: Part A with 10 short answer questions worth 25 marks total, and Part B with 5 longer answer questions worth 50 marks total, each with 2 subquestions. The questions cover topics such as defining web services, advantages of distributed computing, SOAP faults, serialization, extensibility elements, creating Java code from WSDL, service discovery, rapid-fire cryptography, interacting with UDDI registries, symmetric vs asymmetric algorithms, core web services standards, implementing web services, SOAP message elements and exchange model, web service lifecycle and WSDL

Uploaded by

nivas reddy
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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com

Code No: 118FD


R13
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
B. Tech IV Year II Semester Examinations, June - 2018
WEB SERVICES
(Computer Science and Engineering)
Time: 3 hours Max. Marks: 75

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
(25 Marks)

1.a) Define web services. [2]


b) Discuss the advantages of distributed computing. [3]
c) What is the importance of Faultactor element in SOAP fault? [2]
d) Define serialization. [3]
e) Define extensibility elements. [2]
f) How can one create java code from an existing WSDL? [3]
g)
h)
i)
j)
Define service discovery.

Define rapid-fire cryptography.

Q P
What are the different ways of interacting with a UDDI service registry?

Differentiate between symmetric and asymmetric algorithms.


[2]
[3]
[2]
[3]

2.
P PART - B

Briefly explain the core web services standards.


OR
(50 Marks)
[10]

3. Explain in detail the process steps involved in implementing Web Services. [10]

4. Explain the various elements in a SOAP message (request and response) with an example.
[10]
OR
5. Briefly explain the SOAP message exchange model with an example. [10]

6.a) Explain the life cycle of web service.


b) Briefly explain the following elements of a WSDL document with an example:
i) Message
ii) Service [5+5]
OR
7.a) Discuss the various types of operations supported by WSDL.
b) What are the limitations of WSDL? [5+5]

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8.a) Discuss the uses of UDDI registry.


b) How do UDDI registries support categorization? Explain. [5+5]
OR
9. Explain briefly the following functions in Inquiry API with example code snippets-
a) find_xx
b) get_xx. [5+5]

10.a) What are the challenges in creating web services interoperability.


b) Explain the steps involved in creating a .NET client for an axis web service. [5+5]
OR
11.a) Discuss the various challenges in securing web services.
b) What is XML encryption? Briefly explain. [5+5]

---ooOoo---

Q P
P

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