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Database management

In today’s digital world, having a digital Information System (IS) is important in order to compete globally. Taking advantage of the digital world does give an extra push toward a flexible and feasible business. Information Systems knowledge is very essential for companies to survive and prosper. Many objectives such as reaching far away location, offer new products and services, reshape jobs and work flows as well as profoundly change the traditional ways of business. As the information age advanced the need for computers became a daily part of human life.

Computers have emerged from early abacus, papyrus and ENIAC to today’s main frame computer and super computers that can manipulate huge amount of information across the globe. Today, computers are the most essential part of human life starting from basic calculators to storing and manipulating of terabits of information. Internet influences the growth of businesses by providing new, fast and efficient ways of advertising and new and different ways to reach the public and expand their organization.

Internet symbolizes sense of freedom which is uncensored and unregulated by the government. However, use of Internet has its drawbacks such as different security issues. The main security issue such as data access must be

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implemented in such a way that the privilege given to the individual or companies is controlled and can be manipulated. Controlling the web-browsing habit such as browsing illegal or unwanted web sites need also to be controlled, hence providing user access to email, web sites using password and encryptions is essential.

The Proposed Network The main purpose of this assignment is to redesign network infrastructure and topology to meet the basic need of Acme Devices Limited (ADL). ADL has 200 work stations with several workgroups and the objective is to redesign the workgroups into single Active Directory Network (ADN). Active Directory (AD) is Microsoft’s trademarked directory service which is an essential part of the Windows 2000 architecture.

AD is a centralized and standardized system with focusing on automation of network management such as managing data, resources that are distributed and security and it is designed mostly for distributed networking environments. ADL has T1 connection for internet access and telephone which needs to be configured and maintained using the router. The main architecture proposed for ADL is Client-Server architecture. It consists of a group of user-oriented PC called Clients which are connected to a Server. The ADL client computers will be connected to a main server using both cable and wireless.

The employers and the managers will both act as a client and will be able to access the server according to their privilege. A server machine which is fast, more memory and disk space will maintain the all the information related to ADL. In this architecture using a relational database management system (DBMS), ADL queries can answer any information form anywhere by directly communicating with the Server at the same time reducing network traffic. This system can be used to backup critical information which is vital for both the system and the end-user.

It uses three tires such as User Interface which connects with the middle tire (Process Management) to access the data containing in the third tire (Database management). The communication between the tires helps to easily monitor the entire system to seek out the main security issues related with the system. In a centralized system, all the functions are concentrated in the system hub where maintaining and updating information can be executed from all points in the system. The weakness of the system is when the system’s hubs break down in case of a disaster affecting the system and its peripheral components.

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