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Business Application Architecture With Java Question Paper

Business Application Architecture With Java

Course:Business Application Architecture With Java

Institution: Kabarak University question papers

Exam Year:2010

INSTRUCTIONS:
1. SECTION A is compulsory and it has 30marks.
2. Attempt any two Questions from SECTION B. Each has 20marks.

SECTION A (30MARKS)
QUESTION ONE
a) With the help of a diagram explain the 3- tier architecture (6marks)
b) Differentiate between intranet and extranet (2marks)
c) These are the rules to follow when naming elements in VB - variables, constants, controls,
procedures, what are these rules
(5marks)
d) A complete application will need at some point to have more than one server. Briefly
explain functions of these servers:
i. Proxy server (2marks)
ii. Application server. (2marks)
e) As a system administrator how can you differentiate between a server and a client giving
examples?
(4marks)
f) Discuss the client/server architecture’s communication middleware
(1mark)
g) Discuss the client/server. (1mark)
h) Outline and discuss the characteristics of a server that makes it function effectively,
(5marks)
i) Explain the two logical components of the client/server architecture (2marks)

SECTION B (40MAKS)
QUESTION TWO (20MARKS)
a) Explain FIVE basic reasons why most businesses adapt the client/server approach to build
their applications. (5marks)
b) Managers typically evaluate the expected client/server benefits based on six criteria.
Briefly explain these six criteria (6marks)
c) Using a diagram explain how the components interact in the client/server architecture
(5marks)
d) The division of the application processing load must conform to some rules. Outline these
rules. (4marks)

QUESTION THREE (20MARKS)
a) Clients and servers are separate logical entities that work together over a network to
accomplish a task. Explain any five characteristics of the client/server model. (5marks)
b) To be considered effective, a network should meet a number of criteria. What are these
criteria that the network should meet? (6marks)
c) Data must be transmitted from one point to another in the network and for
communication to take place then we have the transmission mode that can perform the
duty of transmission. Discuss the types of transmission modes. (5marks)
d) What is peer-to-peer architecture? (4marks)

QUESTION FOUR (20MARKS)
a) Peer-to-peer architecture was originally based on the Client-Queue-Client concept. What
are the advantages?
(4marks)
b) Users are accustomed to the availability of context-sensitive help, “friendly” error
handling, rapid performance, and flexibility. What are the ways to improve performance
of a network? (6marks)
c) Discuss the database middleware components. (5marks)
d) Client/server architecture is an important architecture in many organizations today. What
are some of the client services? (5marks)
QUESTION FIVE (20 MARKS)
a) In the gathering of the requirements of the system prototype can be the way of modeling
the system. Describe the prototyping process. (5marks)
b) Briefly explain the syntax of the select….case structure as used In VB (4marks)
c) The client/server software architecture is a versatile, message-based and modular
infrastructure that is intended to improve USABILITY, FLEXIBILITY,
INTERROPERABILITY, and SCALABILITY as compared to centralized,
mainframe, file sharing computing. Briefly explain the meaning of the following:
i. Usability (2marks)
ii. Flexibility (2marks)
iii. Interoperability (2marks)
iv. Scalability (2marks)
d) Server software can be easy to develop highlight any three characteristics of a server.
(3marks)

Business Application Architecture With Java Question Paper

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