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What is a Network? A network refers to two or more connected computers that can share resources such as data, a printer, an Internet connection, applications, or a combination of these resources. Asynchronous serial. ISDN Layer 1. The OSI Model— Why a Layered Network Model?
computer network can be defined as the collection of computers, printers, and other equipment that are connected (wired or wireless), with the ultimate aim of fostering communications between the devices.
The first step when building a network, even a worldwide network such as the Internet, is to connect two hosts together. This is illustrated in the figure below. B A Fig. 1: Connecting two hosts together To enable the two hosts to exchange information, they need to be linked together by some kind of physical media.
CCNA 1: Networking Basics is the first of the four courses leading to the Cisco Certified Network Associate (CCNA) designation. CCNA 1 introduces Cisco Networking Academy Program students to the networking field.
1 lut 2018 · An Introduction to Computer Networks is a free and open general-purpose computer-networking textbook, complete with diagrams and exercises.It covers the LAN, internetworking and transport layers, focusing primarily on TCP/IP.
general introduction to data communications and networking. The depth of coverage is suitable to an introductory one-semester course that meets for about forty hours. We focus on target concepts, topics, and skills that are normally expected of students who have passed such a course. We also cover the basic skills and
What is a “Network”? Examples: Mail, phone system, conversations, railroad system, highways and roads. Models, also called protocol stacks, represented in layers, help to understand where things go right or wrong. OSI (Open Systems Interconnection) mnemonic: All People Seem To Need Data Processing.
