COM00147M: Department of Computer Science - IT Computer Science Assignment Help

Assignment Task

Module Learning Outcomes

The module learning outcomes for this module are as follows:

MLO 1. Critically analyse the core concepts in modern computer networks such as LANs and WANs, network architecture, communication protocols and their design principles, the layered organisation of computer networks, and mobile networks.

MLO 2. Apply network concepts and design principles, design, communicate and implement a networked application.

MLO 3. Critically evaluate and apply tools for computer network performance analysis.

MLO 4. Critically evaluate network security techniques.

MLO 5. Critically evaluate the legal and ethical impact of computer networks and internet

This assessment addresses all the module learning outcomes listed above.

Assessment Background/Scenario

You are working as a network engineer for an IT company called YorkInc and you have been assigned to design and implement a new enterprise network infrastructure based on traditional technologies and IPv4 addressing for the company.

The company consists of four departments – Finance/HR, Engineering, Sales, and Administration – and provides wired LAN access and PC desktop workstations for office-based users.

The network requires five servers – Web, Email, DNS, Authorisation, and a File/Print server – and access to all servers must be provided for all office-based users. External users can access the company’s external website only.

It is company policy to allow staff to use a wireless network with their own devices, such as smartphones, to access the internet, although these devices should be able to access the servers but not be permitted to access the departmental networks. In addition, the company would like to trial the use of IoT devices to monitor the server room.

The distribution of workstations is shown in Table 1, which describes the high-level network requirements for each department.

Assessment Tasks

This assessment is broken down into the following tasks:

Task 1

Analyse the requirements given in the scenario and design a suitable network model, IP address design and network components that meet the requirements of the stakeholders. Based on your analysis and evaluation apply the chosen design to the scenario.

Task 2

The IT Director has highlighted the importance of the scalability and availability of the network. Evaluate how your chosen network architecture could be adapted to meet these requirements.

Task 3

The Chief Information Security Officer (CISO) has requested an assessment of the potential wireless security vulnerabilities and any legal and ethical implications of the design.

Deliverables

The deliverable is a single report, no more than 3300 words in length. Your report should consist of the following elements:

Task 1

• A network diagram for the given scenario, including labelling the types of network components used.

o Include appropriate design in your network to ensure each department’s network will be separated from other departments.

o Indicate on your diagram where interfaces between the components should utilise internal or external network addresses.

• Justify the approach taken and how you selected your network design model, IP addressing, and network component choices, explaining how these are used to fulfil the requirements.

Task 2

• Outline additional network components that could be added to meet the scalability and availability requirements and which will allow the network to grow in future.
• Explain any supporting technologies/protocols used, for instance: Routing and Addressing protocols.

Task 3

• Research and evaluate three different potential wireless network attacks and their implications, with brief descriptions on how to mitigate such attacks, justifying your choice of approach. Also comment on the proposed location of the wireless access point.
• Evaluate the potential legal and ethical implications of adopting a Bring Your Own Device (BYOD) policy towards accessing the corporate network.

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