Networking Infrastructure

Scenario Arrowe Park Hospital is the main hospital serving the area of Wirral in North West England. It is a large hospital with general medical and surgical coverage, accident and emergency department and a maternity ward. A map of the hospital is available at: http://www.wuth.nhs.uk/media/4323190/aph-map-car-parks.pdf Note that this is a real hospital but the remainder of this scenario is fictitious and devised for the purposes of this assignment only. Although the hospital is real, the rest of the scenario is not. You must use the information provided in this assignment specification to answer the questions. If you find out anything about the real hospital that is different from that presented here, then you must use the information presented here. Reality has been changed to provide a suitable scenario for the assignment. Do not contact the hospital about this assignment as they will not know what you are talking about! All of your answers to the tasks below should be based on this scenario and should focus on their requirements. Page 3 of 11 Assignment Task Task 1 – Guideline length 800 words 1.1 As a visitor to the hospital, I wish to use their web site to find information about how to get there. To do this, I type in the URL: http://www.wuth.nhs.uk/patients-and-visitors/hospitals/arrowe-park-hospital/ Assuming that YOU are doing this from you own computer where you normally do your RDI studies, provide a detailed description of how the hospital’s Domain Name Service (DNS) name (www.whnt.nhs.uk) is resolved into an IP address so that the request can be sent to the server. You should include a description of how the DNS lookup works, using this particular case as an example. Your answer must be detailed and specific, mentioning as appropriate both the hospital, its DNS server, its web site and your own Internet Service Provider’s DNS service as well as any other DNS servers used. Assume that the hospital runs its own DNS server. Also include the full result of doing a DNS lookup on this particular address together with an explanation of all the items in this result. Note that there are many DNS lookup tools available either to use directly from web pages or to download and use locally. 1.2 Briefly explaining the purpose of the following components in the organisation’s network: • Domain Controller (DC) • Router • Wireless access point 1.3 Outline how the organisation would use a firewall to protect its network

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Networking Infrastructure

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