COMP2250 Data Communications Functions Include Router, Switch - IT Assignment Help

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Assignment 2 Questions Notes about the network diagram The red lines indicate WAN connections - as we have not covered this yet you do not need to discuss or describe what these are aside from them simply being a WAN connection. There is no direct connection between the Canberra and Perth offices, the red line from Perth to the Data Center passing under the Canberra node is simply an artefact of how the diagram was laid out. The tall box-like icons such as those for Web, Mail, Time, FTP, SOS, etc., are hosts (servers).
 

Question 1 [20 marks] — Backbone (Approximately 1 - 3 pages depending upon how you organise your answer) Consider each of the devices with a question mark icon (Core, DistributionA, DistributionB, AccessA, AccessB, DCG, SOD, MOD, POD, BOD, COD, HOG) For each of these devices, make a choice as to which kind of network function (see the note below) should be implemented by the device. Your answer should include a brief (1-2 sentence) explanation of your choice for each device. Note the following: Examples of network functions include router, switch, hub, firewall, IDS, IPS, NAT, access point, etc. Some devices may implement more than one network function. If you decide that two or more of the devices in the list should implement the same network function(s) for the same reasons, then you may choose to group them.

Question 2 [10 marks] — Wireless (Approximately 1/2 - 1 page) The home office user has installed a second access point so that they can work whilst sitting on their back deck. The back deck is located 12m from their home office. Since installing the access point the home user has found that wireless network access no longer works reliably no matter which access point the home user attempts to connect to. What might be the cause of this unreliability and what single change can be made to correct this?

Question 3 [30 marks] — Security (Approximately 1 - 3 pages depending upon how you layout your spreadsheet) Perform a risk analysis of the entire network (including the home office) and create a control spreadsheet as described in the week 8 lecture: Risk Analysis Identify assets Prioritise the relative importance of each asset Identify threats Assign level of risk to various threats By comparing the nature of threats to the controls designed to reduce them Assign controls Control Spreadsheet List down network assets on the side List threats across the top List the controls that are currently in use to address each threat in the corresponding cells (note that the spreadsheet should be embedded in your report and not submitted separately). (the following is the example from the week 8 lecture slides do not blindly copy this

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