Systems Development Life Cycle - Implementation and Security - IT Assignment Help

Assignment Task:

Task:

Objectives

? Examine the given scenario and create a performance analysis document.

? Apply appropriate network physical standards for different network scenarios.

? Determine and plan the appropriate classless IP addressing scheme for the given scenario.

? Assign proper subnets / VLSM subnets.

? Configure the networking devices.

Copying and plagiarism

This is an individual assignment. Students are not permitted to work in a group when writing this assignment. Plagiarism is the submission of another person’s work in a manner that gives the impression that the work is their own. Submission guidelines Your assignment submission should be typed, not written/drawn by hand. Submit the electronic copy of your assignment through the subject portal. Submission after the deadline will incur a penalty of 5% of the available assignment mark per day capped at 5 days. No assignment will be accepted after 5 days. If you have encountered difficulties that lead to late submission or no submission, you should apply for special consideration. Information Systems Assignment 3 Systems Development Life Cycle - Implementation and Security Due Date - Sunday, 10 October 2021, 05:00 PM 2 Part A: Design the proposed network topology Scenario Digital Graphics Design (DGD) is a medium-size graphic design company located in Melbourne. It offers a wide range of graphic design services to different companies/clients to popularise their brands and help them with their publicity by creating state-of-the-art pieces such as flyers, logo, multimedia presentations, magazine titles, visiting cards, websites, profiles, and adding graphics to existing marketing material as per the client’s requirements. The office consists of two levels. As a part of their expansion the managing director of DGD has recently hired two more levels within the same building. Table 1 shows the total number of staff and devices by location and Figure 1 illustrates the current network setup. Level Staff/devices Number Level 1 Administrative staff 30 IT support staff 4 Database server 1 Printers 2 Level 2 Graphic designers 40 Marketing staff 22 Printers 2 Level 3 Website developers 35 Managers 10 Printers 2 Level 4 Project coordinators 15 Accounting staff 5 Programmers 30 Printers 2 Total 200 Table 1 3 Figure 1 Note

• Figure 1 does not show all staff devices and printers. All staff computers, database server and printers are connected to D-Link DES-1026G 24-port 10/100 (Mbps) unmanaged switches via Cat3 cable. Also, a Linksys gateway device is connected to the network for internet access. All staff save their work-related data over the local area network to a centralised database server (located on level 1). However, after the inception of two more levels, the network performance has dropped. Staff are complaining about the slow transfer of data to the database server; also when sharing their workrelated data over the local area network to other computers.

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