cisco ccna 1 test answers

... /0 0 % 1 $ % 2 ...

Ngày tải lên: 04/11/2013, 12:15

... card), 10 NICs, 12 13 , 79, 81, 225–226 modem installation, 13 14 wireless, 91 NLP (Normal Link Pulse), 286 noise, 14 9, 15 7 narrowband interference, 19 0 sources of on copper media, 19 8 19 1, 19 6 19 7 FEXT, ... 15 9 16 1 fiber-optic networks 10 0BASE-FX, 332–334 cabling, 13 3 absorption, 15 0 as backbone medium, 894 bending, 15 1 cladding, 14 2 core, 14 3 dispersion, 15 0 duplex fiber, 14 1 GBIC connectors, 211 interducting, ... 211 interducting, 15 2 multimode, 14 4 noise, 14 9 scattering, 15 0 safe handling, 912 signaling, 19 2 19 4 single-mode, 14 3 14 5 splicing, 15 3 components of, 14 7 connectors, 14 8 patch panels, 14 9 receivers, 14 7 repeaters,...

Ngày tải lên: 04/07/2014, 18:20

... Wright 11 02.book Page iv Tuesday, May 20, 2003 2:53 PM Cisco Networking Academy Program CCNA 1 and 2 Companion Guide Third Edition Cisco Systems, Inc. Cisco Networking Academy Program Cisco Press 2 01 ... review. Printed in the United States of America 1 2 3 4 5 6 7 8 9 0 Library of Congress Cataloging-in-Publication Number: 200 211 6787 ISBN: 1- 58 713 -11 0-2 First Printing June 2003 Trademark Acknowledgments All ... 675 Chapter 16 Distance Vector Routing Protocols . . . . . . . . . . . . . . . . . . . . . . . 711 Chapter 17 TCP/IP Error and Control Messages . . . . . . . . . . . . . . . . . . . . . . 7 61 11 02.book...

Ngày tải lên: 04/07/2014, 18:20

... . . . . . . . 315 10 -Mbps and 10 0-Mbps Ethernet . . . . . . . . . . . . . . . . . . . . . . . 315 10 -Mbps Versions of Ethernet . . . . . . . . . . . . . . . . . . . . . . . . 316 10 BASE5 . . . . ... .609 Password Recovery Technique 1. . . . . . . . . . . . . . . . . . . . . . . 610 Password Recovery Technique 2. . . . . . . . . . . . . . . . . . . . . . . 611 11 02.book Page xvi Tuesday, May ... . . . 511 WAN Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 511 WAN Devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 515 WAN...

Ngày tải lên: 04/07/2014, 18:20

... Serial Line: Switched Serial IBM Mainframe 11 02.book Page xxiii Tuesday, May 20, 2003 2:53 PM xxvii Introduction Cisco Networking Academy Program CCNA 1 and 2 Companion Guide, Third Edition, supplements ... from one number system to another. This chapter corre- sponds to the Module 1 content from the CCNA 1 online curriculum. 11 02.book Page xxviii Tuesday, May 20, 2003 2:53 PM xxix ■ Chapter 2, “Networking ... destination reliably and accurately. This chapter corresponds to the Module 11 content from the CCNA 1 online curriculum. ■ Chapter 10 , “WANs and Routers,” introduces WAN devices, technologies, and standards....

Ngày tải lên: 04/07/2014, 18:20

... 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 Unit Figure 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...

Ngày tải lên: 04/07/2014, 18:20

... type. BBSs 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 ... 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 Slot Motherboard Components The 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 Cards As shown in Figure 1- 6, a NIC is a printed circuit...

Ngày tải lên: 04/07/2014, 18:20

... (2 4 = 16 ), as you will see in Table 1- 6 in a moment. Instead of writing 10 1 010 10 .11 110 000 .11 0000 01. 111 00 010 . 011 1 011 1. 010 100 01 you can write the much-shorter hex equivalent: AA.F0.C1.E2.77. 51. To ... Exponent 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 Place Value 12 8643 216 84 21 Example: 10 110 00 010 110 11 02.book Page 23 Tuesday, May 20, 2003 2:53 PM 24 Chapter 1: Introduction to Networking Example: 1A2C = (1 ∗ 16 3 = 65536) + (10 (A) ... represents 10 0 (1) , and the second position represents 10 1 (10 ∗ 1 = 10 ). The third position represents 10 2 (10 ∗ 10 = 10 0). The seventh position to the left rep- resents 10 6 (10 ì 10 10 10 10 ...

Ngày tải lên: 04/07/2014, 18:20

... 0 00 01 1 1 0 010 2 2 0 011 3 3 010 0 4 4 010 1 5 5 011 0 6 6 011 1 7 7 10 00 8 8 10 01 9 9 10 10 A 10 10 11 B 11 11 00 C 12 11 01 D 13 11 10 E 14 11 11 F 15 11 02.book Page 29 Tuesday, May 20, 2003 2:53 PM ... Using the second mask (255.255.0.0): 000 010 10.0 010 0 010 .00 010 111 .10 00 011 0: IP address 11 111 111 .11 111 111 .00000000.00000000: network mask 000 010 10.0 010 0 010 .00000000.00000000 is the network part ... of a 1 and a 1 is a 1. To better demonstrate, consider the following examples: Example 1: Using the first mask (255.0.0.0): 000 010 10.0 010 0 010 .00 010 111 .10 00 011 0: IP address 11 111 111 .00000000.00000000.00000000:...

Ngày tải lên: 04/07/2014, 18:20

... securely. Remote Office with Cisco Router Regional Office with Cisco PIX Firewall POP Corporate Business Partner with Cisco Router SOHO with Cisco ISDN/DSL Router Mobile Worker with Cisco Secure VPN Client ... intranet over a shared infrastructure using dedicated connections. Figure 2 -11 illustrates an intranet and an extranet. Figure 2 -11 Intranet and Extranet Virtual Private Networks A virtual private network ... computer Cisco PIX Firewall VPN Concentrator Perimeter Router Main Site VPN Intranet VPN Extranet VPN Intranet VPN Access VPN 11 02.book Page 57 Tuesday, May 20, 2003 2:53 PM Networking Terminology 51 Figure...

Ngày tải lên: 04/07/2014, 18:20

... Ethernet) 10 0 Mbps 10 0 m Category 5 UTP (10 00BASE-TX Ethernet) 10 00 Mbps 10 0 m Multimode optical ber (62.5 /12 5 àm) (10 0BASE-FX Ethernet) 10 0 Mbps 2000 m Multimode optical ber (62.5 /12 5 µm) (10 00BASE-SX ... coaxial cable (10 BASE2 Ethernet, Thinnet) 10 Mbps 18 5 m 50-ohm coaxial cable (10 BASE5 Ethernet, Thicknet) 10 Mbps 500 m Category 5 UTP (10 BASE-T Ethernet) 10 Mbps 10 0 m Category 5 UTP (10 0BASE-TX ... bps 1 bps = fundamental unit of bandwidth Kilobits per second kbps 1 kbps = 10 00 bps = 10 3 bps Megabits per second Mbps 1 Mbps = 1, 000,000 bps = 10 6 bps Gigabits per second Gbps 1 Gbps = 1, 000,000,000...

Ngày tải lên: 04/07/2014, 18:20

... signals that represent the 0s 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 ... is an important piece of information that gets added. 11 02.book Page 75 Tuesday, May 20, 2003 2:53 PM Networking Models 73 Figure 2 -17 Peer-to-Peer Communication Data packets on a network ... of 1s and 0s (bits) for transmission on the medium (usually a wire) at Layer 1. Network devices such as hubs, switches, and routers work at the lowest three layers. Hubs operate at Layer 1, ...

Ngày tải lên: 04/07/2014, 18:20

... NIC. Figure 2-24 Network Interface Card 11 02.book Page 81 Tuesday, May 20, 2003 2:53 PM 88 Chapter 2: Networking Fundamentals Figure 2- 31 Cisco CMTS uBR10 012 Optical Platforms Several optical platforms ... 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 ... backbone of the Internet and run the IP protocol. 11 02.book Page 84 Tuesday, May 20, 2003 2:53 PM Networking Models 87 Figure 2-30 Cisco DSLAM 610 0 CMTS Cable operators use a Cable Modem Termination...

Ngày tải lên: 04/07/2014, 18:20

... 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 1 110 2.book Page 94 Tuesday, May ... Packets from VT ã Deny All Other Packets 11 02.book Page 90 Tuesday, May 20, 2003 2:53 PM Networking Models 89 Figure 2-32 Optical Platform—The Cisco ONS 15 454 DWDM Optical Network System Security ... Extended-Star Topology 11 02.book Page 96 Tuesday, May 20, 2003 2:53 PM Network Topologies 93 Wireless Bridges A wireless bridge, shown in Figure 2-38, provides high-speed (11 Mbps), long-range...

Ngày tải lên: 04/07/2014, 18:20

... decisions regarding the best path for delivery of data on the network. 11 02.book Page 10 5 Tuesday, May 20, 2003 2:53 PM Summary 10 1 ■ A SAN provides enhanced system performance, is scalable, and has ... regenerate, 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 Fundamentals segment In the TCP specification, ... review questions to test your understanding of the topics and con- cepts in this chapter. Answers are listed in Appendix C, “Check Your Understanding Answer Key.” 11 02.book Page 10 6 Tuesday, May...

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