cisco networking academy ccna exploration 4 0

... 1 102 .book Page 2 Tuesday, May 20, 200 3 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 ... number ■ Convert a binary number to a hexadecimal number 1 102 .book Page 4 Tuesday, May 20, 200 3 2:53 PM 8 Chapter 1: Introduction to Networking Figure 1-1 Central Processing Unit Figure 1-2 Floppy ... Memory boards with RAM chips plug into the motherboard. 1 102 .book Page 8 Tuesday, May 20, 200 3 2:53 PM 6 Chapter 1: Introduction to Networking The Internet is the largest data network in the...

Ngày tải lên: 04/07/2014, 18:20

... dial-in access to a LAN. Also known as the Cisco Access Server 5 100 . Cisco 700 0 Any of the Cisco 700 0 series of routers (the Cisco 700 0 or the Cisco 701 0), a high-end router platform that supports ... The Cisco 2 500 is designed for small offices and other remote sites and runs the Cisco IOS software. Sometimes called the Cisco Access Server 2 500 series. Cisco 40 00 Any of the Cisco 40 00 series ... switching and packet switching as a switching technique. Cisco 100 0 Any of the Cisco 100 0 series LAN Extenders and routers. The Cisco 100 0 series are easy-to-install, inexpensive, multiprotocol...

Ngày tải lên: 04/11/2013, 16:15

... 337–339 100 0BASE-LX, 342 – 344 100 0BASE-SX, 342 – 345 100 0BASE-T, 339– 342 alignment errors, 2 84 285 architecture, 3 34, 336–337 autonegotiation, 285–287 broadcast domains, 300 collision domains, 2 90 299 collisions, ... centers, 54 55 Ethernet 10- Gbps, 347 –353 10- Mbps, 317, 3 20 10BASE2, 321–322 10BASE5, 3 20 321 10BASE-T, 322–323, 325–326, 328 100 -Mbps, 328–329 100 BASE-FX, 332–3 34 100 BASE-T, 329–332 100 0-Mbps, ... Ethernet, 337–339 100 0BASE-LX, 342 – 344 100 0BASE-SX, 342 – 345 100 0BASE-T, 339– 342 architecture, 345 – 347 global configuration mode (CLI), 592–593 global parameter configuration, Cisco IOS Software,...

Ngày tải lên: 04/07/2014, 18:20

... 1 102 .book Page iv Tuesday, May 20, 200 3 2:53 PM Cisco Networking Academy Program CCNA 1 and 2 Companion Guide Third Edition Cisco Systems, Inc. Cisco Networking Academy Program Cisco Press 201 ... Guide Third Edition Cisco Systems, Inc. Cisco Networking Academy Program Copyright â 200 3 Cisco Systems, Inc. Published by: Cisco Press 201 West 103 rd Street Indianapolis, IN 46 2 90 USA All rights ... . . . . . 1 54 Wireless Data Communications . . . . . . . . . . . . . . . . . . . . . . . 1 54 1 102 .book Page ix Tuesday, May 20, 200 3 2:53 PM ii Cisco Networking Academy Program CCNA 1 and 2...

Ngày tải lên: 04/07/2014, 18:20

... . . . . . . .339 100 0BASE-SX and 100 0BASE-LX . . . . . . . . . . . . . . . . . . . . . 342 Gigabit Ethernet Architecture. . . . . . . . . . . . . . . . . . . . . . . . . 345 10- Gbps Versions of ... . . . . . 40 0 Introduction to Subnetting. . . . . . . . . . . . . . . . . . . . . . . . . . . 40 2 IPv4 Versus IPv6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 4 IP Address ... . . . . . . . .3 34 Gigabit, 10- Gb, and Future Ethernet . . . . . . . . . . . . . . . . . . . . .337 100 0-Mbps Versions of Ethernet (Gigabit). . . . . . . . . . . . . . .337 100 0BASE-T . . . ....

Ngày tải lên: 04/07/2014, 18:20

... Serial Line: Switched Serial IBM Mainframe 1 102 .book Page xxiii Tuesday, May 20, 200 3 2:53 PM xxvii Introduction Cisco Networking Academy Program CCNA 1 and 2 Companion Guide, Third Edition, supplements ... this book and the Cisco Networking Academy Program. Kevin Warner Senior Director, Marketing Worldwide Education Cisco Systems, Inc. 1 102 .book Page xxvi Tuesday, May 20, 200 3 2:53 PM xxviii Book ... meet the many educational needs of the internetworking community, Cisco Systems established the Cisco Networking Academy Program. The Networking Academy is a comprehensive learning program...

Ngày tải lên: 04/07/2014, 18:20

... e-mail, file transfers, and other functions 1 102 .book Page 17 Tuesday, May 20, 200 3 2:53 PM 10 Chapter 1: Introduction to Networking Figure 1 -4 Expansion Slot Motherboard Components The motherboard ... built-in or adapter card-type NIC. 1 102 .book Page 13 Tuesday, May 20, 200 3 2:53 PM Testing Connectivity with Ping 15 files and graphics began to be desirable. The 300 bps speed quickly became intolerable, ... intolerable, and modem speeds started to increase. By the 1990s, modems were running at 9 600 bps. They reached the current standard of 56 kbps (56 ,00 0 bps) by 1998. Inevitably, the high-speed services...

Ngày tải lên: 04/07/2014, 18:20

... numbers instead. Every 4 bits is a hex digit (2 4 = 16), as you will see in Table 1-6 in a moment. Instead of writing 101 0 101 0.111 100 00. 1 100 000 1.11 100 0 10. 011 101 11 .01 0 100 01 you can write the much-shorter ... example: Convert the binary number 01 1 100 00 to a decimal number. 0 ∗ 2 0 = 0 + 0 ∗ 2 1 = 0 + 0 ∗ 2 2 = 0 + 0 ∗ 2 3 = 0 + 1 ∗ 2 4 = 16 + 1 ∗ 2 5 = 32 + 1 ∗ 2 6 = 64 + 0 ∗ 2 7 = 0 112 (The sum of the ... 7, 8, 9 Base Exponent 10 3 10 2 10 1 10 0 Place Value 100 0 100 10 1 Example: 2,1 34 2 ∗ 10 3 1 ∗ 10 2 3 ∗ 10 1 4 ∗ 10 0 1 102 .book Page 22 Tuesday, May 20, 200 3 2:53 PM Bits, Bytes, and Measurement...

Ngày tải lên: 04/07/2014, 18:20

... Using the first mask (255 .0. 0 .0) : 00 001 0 10. 001 000 10. 000 101 11. 100 001 10: IP address 11111111 .00 000 000 .00 000 000 .00 000 000 : network mask 00 001 0 10. 000 000 00. 000 000 00. 000 000 00 is the network part of the ... format, 10. 0 .0. 0 is the network portion of the IP address. Example 2: Using the second mask (255.255 .0. 0): 00 001 0 10. 001 000 10. 000 101 11. 100 001 10: IP address 11111111.11111111 .00 000 000 .00 000 000 : network ... Decimal 00 00 0 0 000 1 1 1 00 10 2 2 00 11 3 3 01 00 4 4 01 01 5 5 01 10 6 6 01 11 7 7 100 0 8 8 100 1 9 9 101 0 A 10 101 1 B 11 1 100 C 12 1 101 D 13 11 10 E 14 1111 F 15 1 102 .book Page 29 Tuesday, May 20, 200 3...

Ngày tải lên: 04/07/2014, 18:20

... respective intranets. The extranet 1 102 .book Page 55 Tuesday, May 20, 200 3 2:53 PM Networking Terminology 49 Starting in the 1960s and continuing through the 1990s, the U.S. Department of Defense ... offices. Company A Remote Site Company B Extranet Intranet Company A Core Site 1 102 .book Page 56 Tuesday, May 20, 200 3 2:53 PM 50 Chapter 2: Networking Fundamentals Figure 2-6 LAN LANs are designed to do the ... possible for businesses to communicate across great distances. 1 102 .book Page 50 Tuesday, May 20, 200 3 2:53 PM 58 Chapter 2: Networking Fundamentals Digital Bandwidth LANs and WANs have always...

Ngày tải lên: 04/07/2014, 18:20

... kbps = 100 0 bps = 10 3 bps Megabits per second Mbps 1 Mbps = 1 ,00 0 ,00 0 bps = 10 6 bps Gigabits per second Gbps 1 Gbps = 1 ,00 0 ,00 0 ,00 0 bps = 10 9 bps 1 102 .book Page 61 Tuesday, May 20, 200 3 2:53 ... m Category 5 UTP ( 100 BASE-TX Ethernet) 100 Mbps 100 m Category 5 UTP ( 100 0BASE-TX Ethernet) 100 0 Mbps 100 m Multimode optical ber (62.5/125 àm) ( 100 BASE-FX Ethernet) 100 Mbps 200 0 m Multimode optical ... is a Multimode optical fiber ( 50/ 125 µm) ( 100 0BASE-SX Ethernet) 100 0 Mbps 5 50 m Single-mode optical fiber (9/125 µm) ( 100 0BASE-LX Ethernet) 100 0 Mbps 500 0 m Table 2 -4 WAN Services and Bandwidths WAN...

Ngày tải lên: 04/07/2014, 18:20

... (Layer 4) Network (Layer 3) Data Link (Layer 2) Physical (Layer 1) OSI Application Transport Internet Network Access TCP/IP 1 102 .book Page 74 Tuesday, May 20, 200 3 2:53 PM 70 Chapter 2: Networking ... end-to-end transport between end users is the transport layer (Layer 4) . 1 102 .book Page 73 Tuesday, May 20, 200 3 2:53 PM Networking Models 71 OSI Layers and Functions Each OSI layer has a set ... peer layer on the destination computer, as shown in Figure 2-17. 1 102 .book Page 72 Tuesday, May 20, 200 3 2:53 PM 74 Chapter 2: Networking Fundamentals DoD (TCP/IP) Model Although the OSI reference...

Ngày tải lên: 04/07/2014, 18:20

... medium. Figure 2- 24 shows a NIC. Figure 2- 24 Network Interface Card 1 102 .book Page 81 Tuesday, May 20, 200 3 2:53 PM 88 Chapter 2: Networking Fundamentals Figure 2-31 Cisco CMTS uBR 100 12 Optical Platforms Several ... backbone of the Internet and run the IP protocol. 1 102 .book Page 84 Tuesday, May 20, 200 3 2:53 PM Networking Models 87 Figure 2- 30 Cisco DSLAM 6 100 CMTS Cable operators use a Cable Modem Termination ... as the uBR 100 12 series, shown in Figure 2-31, can handle thousands of subscribers. 1 102 .book Page 87 Tuesday, May 20, 200 3 2:53 PM Networking Models 85 Figure 2-27 Cisco Catalyst 8 500 Switch Figure...

Ngày tải lên: 04/07/2014, 18:20

... Packets from VT ã Deny All Other Packets 1 102 .book Page 90 Tuesday, May 20, 200 3 2:53 PM Networking Models 89 Figure 2-32 Optical Platform—The Cisco ONS 1 545 4 DWDM Optical Network System Security ... Star Topology Hierarchical Topology Mesh Topology G 1 Internet Main Server Main Switch Workgroup Switch Repeater Bridge Hub E0 F0 E1 T0 D E F 2 A B C L K N M P O H J I FDDI Token Ring 1 1 102 .book Page 94 Tuesday, May 20, 200 3 2:53 PM Networking Models 91 VPN Concentrators A ... routers. Two Links Connected to the Same Networking Device 1 102 .book Page 98 Tuesday, May 20, 200 3 2:53 PM 90 Chapter 2: Networking Fundamentals Figure 2-33 Cisco PIX Firewall AAA Servers An AAA...

Ngày tải lên: 04/07/2014, 18:20

... Activities on the CD-ROM accompanying this book. 1 102 .book Page 102 Tuesday, May 20, 200 3 2:53 PM 100 Chapter 2: Networking Fundamentals Figure 2 -48 Partial-Mesh Topology Broadcast topology simply ... infrastructure? A. Access VPN B. Intranet VPN C. Extranet VPN D. Internet VPN 1 102 .book Page 108 Tuesday, May 20, 200 3 2:53 PM 1 04 Chapter 2: Networking Fundamentals firewall A router or access server designated ... MAN spans a metropolitan area, such as a city or a suburban area. 1 102 .book Page 100 Tuesday, May 20, 200 3 2:53 PM Key Terms 103 Key Terms application layer Layer 7 of the OSI reference model....

Ngày tải lên: 04/07/2014, 18:20

Ngày tải lên: 04/07/2014, 18:20

Ngày tải lên: 04/07/2014, 18:20

Ngày tải lên: 04/07/2014, 18:20

Ngày tải lên: 04/07/2014, 18:20

Ngày tải lên: 04/07/2014, 18:20