1- The OSI Reference Model describes a method of communicating with other devices on a network. The model is designed to accommodate advances in data communication. Describe in detail how this accomplished. 2- The following information was obtained from a host: IP address……………205.133.127.8/24 Default Gateway…… 205.133.127.1 DNS Server
.139.100.110.10 HOSTS file entries: 140.20.10.55 www.myut.utoledo.edu 140.20.10.5 myut.utoledo.edu 127.0.0.1 www.cnn.com 127.0.0.1 can.com Describe the sequence of events (in detail) that would occur if this host attempts to: a) Load the Web Site of the following Domain Names using a Web Browser. http://www.utoledo.edu http://www.cnn.com 3- SSK Software Corporation has opened an office in Toledo, Ohio. The office will have a wireless Wi-Fi (WLAN), and a Corporate wired Ethernet LAN. Workstation requirements are as follows: Users Workstations Planned Expansion Accounting Dept. 20 14 All other Depts 105 15 Wireless Users 23 0 The Corporate plan is to establish individual Subnets for the Accounting Department, the Wireless Network and the rest of the wired network. The goal is to keep the accounting data private and secure. (a) Explain all Security measures you would recommend to SSK Software. Assume SSK Software currently has no network security hardware/Software. What items would SSK Software need to purchase in order to implement your Security measures? 4. The following information was obtained from a host computer using TCPDUMP: 00:05:17.176507 74.125.228.54.1270 > 64.254.128.66.25: S 2688560409:2688560409(0) win 16384
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