Essay Question - Week 4

Class: NTC 360

Instructor: Stephen Omogbehin

February 18, 2007

Use a short answer to explain at what levels of the OSI model does TCP/IP function?

TCP/IP is the protocol used on corporate networks, as well as the World Wide Web (Internet). The suite resides on two separate layers of the OSI model and, therefore, has different responsibilities in the transportation and delivery of accurate data.

Internet Protocol (IP) is a core protocol in the TCP/IP suite that belongs to the Internet layer of the TCP/IP model and provides information about how and where data should be delivered. IP is the subprotocol that enables TCP/IP to internetwork.

Transmission Control Protocol (TCP) is a core protocol of the TCP/IP suite. TCP belongs to the Transport layer of the OSI model...