... Systems, Inc 11 02. book Page xxvii Tuesday, May 20 , 20 03 2: 53 PM xxvii Introduction CiscoNetworkingAcademyProgramCCNAandCompanion Guide, Third Edition, supplements your classroom and laboratory ... understanding before you move on to new chapters ■ Lab Activity references—Throughout the book are references to worksheet andlab activities found in CiscoNetworkingAcademyProgramCCNAandLab Companion, ... books for the NetworkingAcademy by Cisco Systems, and provide print and CD-ROM materials that ensure the greatest possible learning experience for NetworkingAcademy students 11 02. book Page xxvi...
... understand routing and switching, and make the connection between theory and practice 11 02. book Page Tuesday, May 20 , 20 03 2: 53 PM 11 02. book Page Tuesday, May 20 , 20 03 2: 53 PM Part I CCNA 1: Networking ... Information and activities not found online 11 02. book Page xxxiii Tuesday, May 20 , 20 03 2: 53 PM xxxiii ■ Accurate and concise feedback on practice exam questions ■ Learner-directed practice and study ... Chapter TCP/IP Protocol Suite and IP Addressing Chapter Routing Fundamentals and Subnets Chapter TCP/IP Transport and Application Layer 11 02. book Page Tuesday, May 20 , 20 03 2: 53 PM Objectives Upon...
... contains the success ratio and round-trip time to the destination From this information, you can 15 11 02. book Page 16 Tuesday, May 20 , 20 03 2: 53 PM 16 Chapter 1: Introduction to Networking determine ... Desktop systems can use a built-in or adapter card-type NIC 13 11 02. book Page 14 Tuesday, May 20 , 20 03 2: 53 PM 14 Chapter 1: Introduction to Networking Situations that require NIC installation include ... 11 02. book Page 10 Tuesday, May 20 , 20 03 2: 53 PM 10 Chapter 1: Introduction to Networking Figure 1- 4 Expansion Slot Motherboard Components NOTE Some...
... dotted-decimal format, 10 .0.0.0 is the network portion of the IP address Example 2: Using the second mask (25 5 .25 5.0.0): 000 010 10.0 010 0 010 .00 010 111 .10 00 011 0: IP address 11 111 111 .11 111 111 .00000000.00000000: ... masks follow Example 1: 11 111 111 .00000000.00000000.00000000 written in dotted decimal is 25 5.0.0.0 Example 2: 11 111 111 .11 111 111 .00000000.00000000 written in dotted decimal is 25 5 .25 5.0.0 In the first ... following examples: Example 1: Using the first mask (25 5.0.0.0): 000 010 10.0 010 0 010 .00 010 111 .10 00 011 0: IP address 11 111 111 .00000000.00000000.00000000: network mask 000 010 10.00000000.00000000.00000000...
... securely 57 11 02. book Page 58 Tuesday, May 20 , 20 03 2: 53 PM 58 Chapter 2: Networking Fundamentals Digital Bandwidth LANs and WANs have always had one thing in common: the use of the term bandwidth ... data operations, file migration, and data replication between systems 53 11 02. book Page 54 Tuesday, May 20 , 20 03 2: 53 PM 54 Chapter 2: Networking Fundamentals Figure 2- 9 SAN Internet IP Front-End ... shown in Figure 2- 7, they make it possible for businesses to communicate across great distances 11 02. book Page 51 Tuesday, May 20 , 20 03 2: 53 PM Networking Terminology Figure 2- 7 WAN Corporate...
... between application protocols and data-flow protocols Whereas the application, presentation, and session 71 110 2. book Page 72 Tuesday, May 20 , 20 03 2: 53 PM 72 Chapter 2: Networking Fundamentals layers ... a layer-specific PDU and with its peer layer on the destination computer, as shown in Figure 2 -17 11 02. book Page 73 Tuesday, May 20 , 20 03 2: 53 PM Networking Models Figure 2 -17 Peer-to-Peer Communication ... information that gets added 11 02. book Page 76 Tuesday, May 20 , 20 03 2: 53 PM 76 Chapter 2: Networking Fundamentals Figure 2 -19 Encapsulation As illustrated in Figure 2- 20, networks must perform...
... 11 02. book Page 90 Tuesday, May 20 , 20 03 2: 53 PM 90 Chapter 2: Networking Fundamentals Figure 2- 33 Cisco PIX Firewall AAA Servers An AAA server is a server program that handles user ... disconnected 95 11 02. book Page 96 Tuesday, May 20 , 20 03 2: 53 PM 96 Chapter 2: Networking Fundamentals Figure 2- 42 Star Topology When a star network is expanded to include an additional networking ... network Figure 2- 37 Wireless Access Point 11 02. book Page 93 Tuesday, May 20 , 20 03 2: 53 PM Network Topologies Wireless Bridges A wireless bridge, shown in Figure 2- 38, provides high-speed (11 Mbps),...
... ■ Repeaters regenerate, amplify, and retime signals before sending them along the network 10 1 11 02. book Page 10 2 Tuesday, May 20 , 20 03 2: 53 PM 10 2 Chapter 2: Networking Fundamentals ■ The term ... enterprises 10 3 11 02. book Page 10 4 Tuesday, May 20 , 20 03 2: 53 PM 10 4 Chapter 2: Networking Fundamentals firewall A router or access server designated as a buffer between any connected public networks and ... to access high-bandwidth media C Connect to the Internet D Provide full-time connectivity to local services 10 7 11 02. book Page 10 8 Tuesday, May 20 , 20 03 2: 53 PM 10 8 Chapter 2: Networking Fundamentals...
... Au 10 9 11 0 11 1 Mt 59 60 61 62 63 Pr Nd Pm Sm Eu 91 92 93 94 95 Pa U Np Pu Am 30 Zn 48 Cd 80 Hg 11 2 64 Gd 96 Cm 65 Td 97 Bk B 13 Al 31 Ga 49 In 81 Tl 66 Dy 98 Cf C 14 Si 32 Ge 50 Sn 82 Pb 11 4 ... Ac 22 Ti 40 Zr 72 Hf 10 4 Rf Lathanide Series Actinide Series 5B 6B 7B 23 V 41 Nb 73 Ta 10 5 Db 58 Ce 90 Th 24 Cr 42 Mo 74 W 10 6 Sg 25 Mn 43 Tc 75 Re 10 7 Bh 1B 2B 26 Fe 44 Ru 76 Os 10 8 Hs 27 28 29 ... selection 11 1 11 02. book Page 11 2 Tuesday, May 20 , 20 03 2: 53 PM 11 2 Chapter 2: Networking Fundamentals 24 What does a router route? A Layer bits B Layer frames C Layer packets D Layer segments 25 Which...
... Some Current Continuity Provides Resistance Wire Is Conductor 12 1 11 02. book Page 12 2 Tuesday, May 20 , 20 03 2: 53 PM 12 2 Chapter 3: Networking Media The top of Figure 3-4 illustrates the flashlight ... longer distances A wire with an AWG size of 24 would be 1/ 24 th of an inch in diameter 12 3 11 02. book Page 12 4 Tuesday, May 20 , 20 03 2: 53 PM 12 4 Chapter 3: Networking Media Twisted-Pair Cable Twisted-pair ... which requires at least CAT 12 7 11 02. book Page 12 8 Tuesday, May 20 , 20 03 2: 53 PM 12 8 Chapter 3: Networking Media Coaxial Cable Coaxial cable, as shown in Figure 3 -10 , consists of four main parts:...
... (Token Ring LANs) ■ 10 0 ohm UTP 4-pair cable (Ethernet LANs) ■ 62. 5 / 12 5 µ fiber-optic cable (Ethernet LANs) 13 1 11 02. book Page 13 2 Tuesday, May 20 , 20 03 2: 53 PM 13 2 Chapter 3: Networking Media ■ ... connectors and equipment used with fiber-optic cable, and how fiber is tested to ensure that it functions properly 13 3 11 02. book Page 13 4 Tuesday, May 20 , 20 03 2: 53 PM 13 4 Chapter 3: Networking ... 11 02. book Page 13 0 Tuesday, May 20 , 20 03 2: 53 PM 13 0 Chapter 3: Networking Media However, in both types of coaxial cable, the outer conductor must be carefully and properly grounded,...
... bandwidth and cable run distance than multimode fiber Figure 3 -27 Single-Mode and Multimode Fiber Multimode Multimode Multimode Single-Mode 10 0 /14 0 Microns 62. 5 / 12 5 Microns 50 / 12 5 Microns 10 / 12 5 ... communications, as shown in Figure 3- 21 Figure 3- 21 Light Wave Path Light must fall inside this angle to be guided in the fiber core n0 n1 11 02. book Page 14 1 Tuesday, May 20 , 20 03 2: 53 PM Optical Media Fiber-Optic ... wavelength of light (850, 13 10, or 15 50 nm) generated by the transmitter at the far end of the fiber When 14 7 11 02. book Page 14 8 Tuesday, May 20 , 20 03 2: 53 PM 14 8 Chapter 3: Networking Media struck...