This network management assignment covers fundamental networking concepts. It includes explanations of hubs and switches, device identification based on MAC addresses, advantages of wired networks over wireless ones, comparison of WEP and WPA security protocols, and the preference for UTP cables in industry.
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Running head: NETWORK MANAGEMENT Network Management Name of the Student Name of the University Author Note
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2 NETWORK MANAGEMENT Answer 1 A hub is a device of networking that allows a person to connect multiple devices or PCs to a single network. Hubs are generally based on Ethernet and USB connections. A switch on the other hand is a control unit that is generally used to route data. It is considered more intelligent than a hub as it deals with gathering information about the data packets in order to route it to the network in which it is intended to. Major modern Ethernet Local Area Network generally operates on switches. Answer 2 a) The device manufacturer of 00-C0-4F-49-68-AB is Dell Computer Corporation b) The device manufacturer of 00-0A-27-B7-3E-F8 is Apple, USA c) The device manufacturer of 00-04-76-B6-9D-06 is 3 Com Corporation, USA d) The device manufacturer of 00-00-36-69-42-27 is ATARI Corporation, USA. Answer 3 The major advantage of a wired network is security. This is because the wired networks are interconnected by plugging in a cable from one device to another and therefore, unauthorized access to the network becomes difficult. Another advantage of wired network is reliability. Wired network brings a constant download and upload speed, which are generally unaffected by the external environment. This is possible as the wired networks do not experience fluctuations in speed or interferences, as they
3 NETWORK MANAGEMENT do not travel through air unlike the wireless device (Perrig & Tygar, 2012). Therefore, fluctuation in speed, which is common in wireless network is absent in wired network. Furthermore, it is very easy to set up and easy to use with no need to scan for the wireless devices. People can simple plug in the wired connection with their devices and it is ready to go. Answer 4 Between WEP and WPA, networking devices with WPA is more secure than WEP. This is because, the Wireless Encryption Protocol or WEP provides very weak security and therefore, WPA or Wi-Fi Protected Access easily supersedes it. WEP uses a 64 or 128-bit static master key while WPA uses 256-bit keys and stronger authentication (Kumkar et al., 2012). Answer 5 The UTP or Unshielded twisted pair cable is preferred by the industry, as it is less expensive while installed in a larger amount. Furthermore, STP cables are bigger than that of UTP cables and therefore it is more expensive (Oliviero & Woodward, 2014). STP cables are more fragile in comparison to UTP cables and therefore, the UTP cables are more preferred in the industry.
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4 NETWORK MANAGEMENT References Kumkar, V., Tiwari, A., Tiwari, P., Gupta, A., & Shrawne, S. (2012). Vulnerabilities of Wireless Security protocols (WEP and WPA2).International Journal of Advanced Research in Computer Engineering & Technology (IJARCET),1(2), pp-34. Oliviero, A., & Woodward, B. (2014).Cabling: the complete guide to copper and fiber-optic networking. John Wiley & Sons. Perrig, A., & Tygar, J. D. (2012).Secure Broadcast Communication: In Wired and Wireless Networks. Springer Science & Business Media.