Client Server Architecture

Client Server Architecture essay assignment

Client Server Architecture essay assignment

Question One

There are three main application architectures in use today: server-based architectures, client-based architectures, and client-server architectures. Compare between them by highlighting advantages and disadvantages. Which one is considered the most common architecture?

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Question Two

Suppose that you are having a shipping company called ABC which relies on a wide information system to track the location of each shipped item. The system consists of:

• Shipped items which are the core of the ABC tracking system, which including: item number (ID), weight, dimensions, destination, and final delivery date.
• Shipped items are received into the ABC system at a single retail center. Retail centers are characterized by their number, type and address.
• Shipped items make their way to their destination via one or more standard ABC transportation methods. These transportation methods are characterized by a unique trip ID, a type, and a Delivery Route.

Create an ERD that captures all mentioned information about the ABC system. Be certain to indicate identifiers and cardinality constraints.

Question Three

The university has decided to buy an e-assessment (e-exam) system. This system will be used by students to do their exam. During the requirement gathering the university decided that the system needs to have high standard of performance requirement. Please describes some of the performance requirements should the university apply and which architecture design should be selected and why?

 

Question Four

Normalize the following unnormalized table using the three normalization rules and describe each step.

 

Unnormalized table:

Student-ID	Student-Name	Student-City	Student-Code_Area	Instructor-ID	Instructor-Name	Instructor-Office	Course-ID	Course-Name	Grade
S1445	Ahmad	Dammam	03	F12	Abdullah	315	CS140	Programming 1	A
S1446	Samer	Jeddah	05	F93	Nora	116	IT244	Database	B+
S2356	Emad	Riyadh	01	F34	Salem	231	IT243	SAAD	B+
S1445	Ahmad	Dammam	03	F16	Omar	564	CS141	Programming 2	B
S2356	Emad	Riyadh	01	F16	Omar	564	CS141	Programming 2	D
S9511	Khaled	Tabuk	06	F55	Saleh	987	IT455	DSS	A+