By Ata Elahi

This thorough primer examines the technological elements of networking via a realistic process. Readers will study neighborhood quarter networks (LANs), broad zone networks (WANs), the web, instant LANs, instant MANs, voice over IP (VoIP), in addition to asynchronous move mode (ATM) and community defense. Introductory chapters on foundational subject matters, equivalent to info communications and laptop structure provide readers the information base they should comprehend extra advanced networking thoughts. This e-book successfully makes use of a pragmatic method of networking instead of a strict concentrate on thought or math, and calls for no previous historical past in communications know-how.

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LAN c. WAN b. MAN d. Internet 13. The topology used for Ethernet is a ___' a. bus c. ring b. star d. a and b 14. The Internet is a collection of LANs connected together by _ __ a. routers c. gateways b. switches d. repeaters 15. Computers on a campus are connected by _ __ a. LAN c. MAN d . Internet b. WAN Data Comm ,, OUTLINE • Short Answer Questions 1. What are the components of a communication model? 2. Explain the function of a server. 3. What is the function of the client in a file server model?

4) and may be represented in volts (unit of volt­ age). In other words, the amplitude is the signal's voltage value at any given time. 1. 4 A sine wave signal over one cycle ,: . . ,redIltI DATA COMMUNICATIONS eated 1000 times every second (once every = 1 10- 3 21 Phase. Two signals with the same frequency can differ in phase. This means that one of the signals starts at a different time from the other one. This difference can be represented by degrees, from 0 to 360 degrees or by radians where 360 = 21T radians.

Computer network b. client 2. In a - - ­ then the server client station. a. peer-to-peer b. file server-based 3. A computer in a m·tw a. client, server b. client, user 4. A stores all of t a. file server b. print server S. A Key Terms a. mail server Bus Network Client/Server Model Client Computer Network File Server Model Peer-to-Peer Model Hub Ring Topology Hybrid Topology Server Internet Star Topology Local Area Network (LAN) Topology Mesh Topology Transmission Medium Metropolitan Area Network (MAN) Tree Topology Network Interface Card (NIC) Wide Area Network (WAN) Network Operating System (NOS) 6.

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Data, Network, & Internet Communications Technology by Ata Elahi
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