By Jr. Kenneth C. Mansfield, James L. Antonakos
Designed for the newbie but helpful for the specialist, computing device NETWORKING FROM LANS TO WANS: undefined, software program, AND defense offers complete assurance of all facets of networking. This e-book includes 24 chapters illustrating community and software program, community working platforms, multimedia and the web, and laptop and community protection and forensics. Six appendices offer assurance of the heritage of the net, the ASCII code, the operation of MODEMs, pointers on changing into qualified in community, safeguard, and forensics, telecommunication applied sciences, and constructing a working laptop or computer fix store. A significant other CD contains quite a few video clips and records that permit the reader to accomplish vital hands-on networking, protection, and forensic actions.
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Extra resources for Computer Networking from LANs to WANs: Hardware, Software and Security
Sample text
B. carrier modulation. c. Manchester encoding. 13. Ethernet transmits data in a. continuous streams of 0s and 1s. b. frames. c. blocks of 256 bytes. 14. Which OSI network layer guarantees reliable data transmission? a. Physical b. Data-Link c. Network 15. Ethernet segments are connected using a. taps. b. terminators. c. repeaters. 16. A wireless network utilizes a. RF signals. b. line-of-sight infrared. c. either a or b. 17. In this network, the whole network shuts down when the central node fails.
Collision. Two or more stations transmitting at the same time within the same collision domain. Encoding. A method of converting digital data into a different representation for transmission. Methods include Manchester, 8B6T, 4B5B, NRZI, PAM5x5, and 8B10B. Ethernet. LAN technology employing CSMA/CD to share access to the available bandwidth. Frame. Structure used to transport data over a network. Contains source and destination addresses, data, and a 32-bit frame check sequence. Fully Connected Network.
Troubleshooting Techniques 11 IEEE 802 Standards The Institute of Electrical and Electronics Engineers, Inc. org) has, over the years, established several committees dedicated to defining standards for computer networking. Many of these standards are listed in Table 1-1. Any company entering the networking marketplace must manufacture networking hardware that complies with the published standards. 3. We will encounter the IEEE standards many times in the remaining chapters. 20 Mobile Broadband Wireless Access Troubleshooting Techniques Troubleshooting a network problem can take many forms.