... Wright 11 02.book Page iv Tuesday, May 20, 2003 2:53 PM CiscoNetworkingAcademy Program CCNA1 and 2 Companion GuideThird Edition Cisco Systems, Inc. Cisco NetworkingAcademyProgram Cisco Press2 01 ... PM ii Cisco NetworkingAcademy Program CCNA1 and 2 Companion GuideThird Edition Cisco Systems, Inc. Cisco NetworkingAcademy Program Copyright â 2003 Cisco Systems, Inc.Published by: Cisco ... Academy program, then you are not preparing with a Cisco trained and authorized NetworkingAcademy provider.For information on the CiscoNetworkingAcademyProgram or to locate a Networking Academy, ...
... educational needs of the internetworking community, Cisco Systems established the CiscoNetworkingAcademy Program. The NetworkingAcademy is a comprehensive learning program that provides students ... the CiscoNetworkingAcademyProgram is in the forefront of this transformation.This Cisco Press title is one of a series of best-selling companion titles for the Cisco Networking Academy Program. ... SerialLine: Switched SerialIBMMainframe 11 02.book Page xxiii Tuesday, May 20, 2003 2:53 PM xxviiIntroduction Cisco NetworkingAcademyProgramCCNA1 and 2 Companion Guide, Third Edition,supplements...
... number to a hexadecimal number 11 02.book Page 4 Tuesday, May 20, 2003 2:53 PM 8 Chapter 1: Introduction to Networking Figure 1- 1 Central Processing UnitFigure 1- 2 Floppy Disk Drive■ Microprocessor—A ... Figure 1- 1).■ Floppy disk drive—Can read and write to floppy disks (see Figure 1- 2).■ Hard disk drive—Reads and writes data on a hard disk. The primary storage device in the computer. 11 02.book ... 11 02.book Page 2 Tuesday, May 20, 2003 2:53 PM xxxi■ Chapter 14 , “Managing Cisco IOS Software,” examines the stages of the router boot sequence. It also covers how to use a variety of Cisco...
... did not become widely used until the early 19 80s, and the transfer of 11 02.book Page 14 Tuesday, May 20, 2003 2:53 PM 16 Chapter 1: Introduction to Networking determine if there is connectivity ... performs e-mail, file transfers, and other functions 11 02.book Page 17 Tuesday, May 20, 2003 2:53 PM 10 Chapter 1: Introduction to Networking Figure 1- 4 Expansion SlotMotherboard ComponentsThe motherboard ... and network (Layer 3) address. 11 02.book Page 15 Tuesday, May 20, 2003 2:53 PM 12 Chapter 1: Introduction to Networking Network Interface CardsAs shown in Figure 1- 6, a NIC is a printed circuit...
... and 1s making up the data. If a discrepancy is found, that packet can be resent.More Information: Cyclical Redundancy Check (Continued) 11 02.book Page 78 Tuesday, May 20, 2003 2:53 PM Networking ... is an important piece of information that gets added. 11 02.book Page 75 Tuesday, May 20, 2003 2:53 PM Networking Models 73Figure 2 -17 Peer-to-Peer CommunicationData packets on a network ... transport between end users is the transport layer (Layer 4). 11 02.book Page 73 Tuesday, May 20, 2003 2:53 PM Networking Models 71 OSI Layers and FunctionsEach OSI layer has a set of functions...
... Card 11 02.book Page 81 Tuesday, May 20, 2003 2:53 PM 88 Chapter 2: Networking FundamentalsFigure 2- 31 Cisco CMTS uBR10 012 Optical PlatformsSeveral optical platforms are available for optical networking, ... models such as the uBR10 012 series, shown in Figure 2- 31, can handle thousands of subscribers. 11 02.book Page 87 Tuesday, May 20, 2003 2:53 PM Networking Models 85Figure 2-27 Cisco Catalyst 8500 ... Cisco ONS 15 454 dense wave-length division multiplexing (DWDM) optical network system (ONS). The Cisco ONS 15 454 provides the functions of multiple network elements in a single platform. 11 02.book...
... amplify, and retime signals before sending them along the network. 11 02.book Page 10 1 Tuesday, May 20, 2003 2:53 PM 10 6 Chapter 2: Networking Fundamentalssegment In the TCP specification, a logical ... PhotoZooms, and e-Lab Activities on the CD-ROM accompanying this book. 11 02.book Page 10 2 Tuesday, May 20, 2003 2:53 PM 10 0 Chapter 2: Networking FundamentalsFigure 2-48 Partial-Mesh TopologyBroadcast ... the InternetD. Provide full-time connectivity to local services 11 02.book Page 10 7 Tuesday, May 20, 2003 2:53 PM 10 2 Chapter 2: Networking Fundamentals■ The term hub is used instead of repeater...