Middleware Technologies Two Marks and 16 Marks with Answers

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Middleware Technologies

Two Marks and 16 Marks with Answers

Unit – 1
1. A.1.  List some of the  characteristics of Client / Server  system
•   Service
• Shared resources
• Asymmetrical protocols
• Transparency of location
• Mix and match
• Message – based exchanges
• Encapsulation of services
• Scalability
•       Integrity

1. A.2.  Compare 2 – tier and 3 – tier Architecture.
Instead of Fat clients and fat servers these terms can be used. It is all about how you split the client/server applications into functional units.These functional units can be assigned to either the client or to one or more servers. 
The most typical functional units are:
User Interface
Business Logic and
the Shared Data
In 2-tier, the application logic is either buried inside the User Interface on the client or within the database on the server (or both)

Attachment : 
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