Week 3 - Short - MWalker
Week 3 - Short - MWalker
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This 1 page Study Guide was uploaded by tophomework Notetaker on Wednesday November 11, 2015. The Study Guide belongs to a course at a university taught by a professor in Fall. Since its upload, it has received 16 views.
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Date Created: 11/11/15
Week 3 – Short Answers Class: NTC 360 Instructor: Stephen Omogbehin Date: February 11, 2007 Use short answers to explain the difference between: Synchronous and asynchronous – The difference between synchronous and asynchronous is that synchronous communication happens in real time (instant messaging), whereas asynchronous communication occurs with a delay. University of Phoenix newsgroups are a prime example of asynchronous communication. Analog and digital – analog is a signal that uses variable voltage to create continuous waves, resulting in an inexact transmission. As opposed to analog signals, digital signals are composed of signals that can have a value of only 1 or 0. XON and XOFF – XON signifies the start of a modem transmission, whereas XOFF signifies that the transmission is complete. XON and XOFF are both special characters. Simplex and duplex – simplex can only either send or receive in one direction, whereas duplex can both send and receive at the same time on the same transmission. Serial and parallel transmission – serial transmission occurs as a series of 1s and 0s (1 bit at a time), while parallel transmission transmits and receives data in 8bit chunks. Baseband and broadband – the difference between baseband and broadband is that broadband does not use binary encoding. Baseband uses a direct pulse set on a direct current, meaning that only one transmission can occur at a time; by contrast, broadband different radio frequency analog pulses to transmit data, thereby allowing broadband to send more data at a time. Serial Line Internet Protocol (SLIP) and PointtoPoint Protocol (PPP) – the differences between SLIP and PPP are that multiple Network layer protocols can be used with PPP and PPP can support both asynchronous and synchronous communication. Hypertext Transfer Protocol (HTTP) and File Transfer Protocol (FTP) – HTTP is the language that Web clients and servers use to communicate. In contrast, FTP is an Application layer protocol that manages transfers between TCP/IP hosts. Transmission Control Protocol (TCP) and Internet Protocol (IP) – TCP operates at the Transport Layer of the OSI Model, while IP operates at the Internet Layer of the Model. Michelle L. Walker Email address: firstname.lastname@example.org Telephone number: 3096421042
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