ITN305 UNIT 3 IP2 10-25-2009

ITN305 UNIT 3 IP2 10-25-2009 - Introduction to Networks...

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Introduction to Networks Understanding How IP Addresses Works Understanding How IP Addresses Works Dionne Jordan 10-25-09 American Intercontinental University
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Introduction to Networks IP Addresses How is IP Addresses recognized by a computer? How are IP Addresses used? A domain name system is where a list of systems’ names and their associated IP addresses are kept. This protocol operates at the Session layer of the OSI model. Because of the application layer encompasses the Session layer, the DNS to know as an application layer protocol (Tomsho, Tittel, Johnson, 2007). The way a domain name is recognized by a computer as an IP address is when the domain name is typed into the Web browsers address box, the Web browser calls and contact the domain name system function, the function contact he DNS server that’s listed specifically in your IP configuration requesting www.ibm.com , be resolved to an IP address (Tomsho, et al.). The DNS server acknowledges with an IP address assigned to the computer named www.ibm.com domain, then use the IP address returned, the Web browser application can then request a Web page from the Web server (Tomsho, et al.). Describe an IP address, Describe Class A, B, and C network. Are a MAC address and an IP addressing the same thing? What network service is used to automatically assign IP address? Describe the four steps of the IP address lease process. IP address main purpose are routing and addressing in the TCP/IP place. They are logical addresses that’s 32 bits, 4 bytes long, with each byte of the addresses acting as a decimal number from 0 to 255 (Tomsho, et al.). Known as octet which means eight, these decimal are eight binary digits that grouped together or bits known as a decimal number. Separated by periods are four numbers called dotted decimal, like 172.24.208.192. An IP address is in two parts, one part
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Introduction to Networks is assigned to a computer designate which is a part of the logical network and the other part is the host IP which is represented on a particular network. For instance, as address like 172.24.208 is on the 172.24 network with a 208.192 as the host ID (Tomsho, et al.). According to Tomsho, Tittel, Johnson, Computers can be on the same network with
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ITN305 UNIT 3 IP2 10-25-2009 - Introduction to Networks...

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