cisco networking academy program ccna 1

... 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 ... PM ii Cisco Networking Academy Program CCNA 1 and 2 Companion Guide Third Edition Cisco Systems, Inc. Cisco Networking Academy Program Copyright â 2003 Cisco Systems, Inc. Published by: Cisco ... Academy program, then you are not preparing with a Cisco trained and authorized Networking Academy provider. For information on the Cisco Networking Academy Program or to locate a Networking Academy, ...

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

... educational needs of the internetworking community, Cisco Systems established the Cisco Networking Academy Program. The Networking Academy is a comprehensive learning program that provides students ... the Cisco Networking Academy Program 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. ... 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...

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

... 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 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 ... 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 ... Digital Network (ISDN) ■ Digital Subscriber Line (DSL) 11 02.book Page 51 Tuesday, May 20, 2003 2:53 PM Networking Terminology 55 Figure 2 -10 Data Center For example, when downloading a movie from...

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

... 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 73 Figure 2 -17 Peer-to-Peer Communication Data 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 Functions Each OSI layer has a set of functions...

Ngày tải lên: 04/07/2014, 18:20

... 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 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 85 Figure 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...

Ngày tải lên: 04/07/2014, 18:20

... the Same Networking Device 11 02.book Page 98 Tuesday, May 20, 2003 2:53 PM 90 Chapter 2: Networking Fundamentals Figure 2-33 Cisco PIX Firewall AAA Servers An AAA server is a server program that ... 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 20, 2003 2:53 PM Networking ... 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...

Ngày tải lên: 04/07/2014, 18:20

... 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, 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 Fundamentals Figure 2-48 Partial-Mesh Topology Broadcast ... the Internet D. 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...

Ngày tải lên: 04/07/2014, 18:20

... 11 2 1 H 3 Li 4 Be 11 Na 12 Mg 58 Ce 59 Pr 60 Nd 61 Pm 62 Sm 63 Eu 64 Gd 65 Td 66 Dy 67 Ho 68 Er 69 Tm 90 Th 91 Pa 92 U 93 Np 94 Pu 95 Am 96 Cm 97 Bk 98 Cf 99 Es 10 0 Fm 10 1 Md 70 Yb 71 Lu 10 2 No 10 3 Lr 1A 2A 3B 4B 5B 6B 7B 8B 1B 2B 3A 4A 5A 6A 7A 8A 11 4 11 6 11 8 11 02.book Page 11 6 Tuesday, May 20, 2003 2:53 PM 11 8 Chapter 3: Networking Media Electrical ... Series 2 He 5 B 6 C 7 N 8 O 9 F 10 Ne 13 Al 14 Si 15 P 16 S 17 Cl 18 Ar 31 Ga 32 Ge 33 As 34 Se 35 Br 36 Kr 49 In 50 Sn 51 Sb 52 Te 53 I 54 Xe 81 Tl 82 Pb 83 Bi 84 Po 85 At 86 Rn 19 K 20 Ca 21 Sc 22 Ti 23 V 24 Cr 37 Rb 38 Sr 39 Y 40 Zr 41 Nb 42 Mo 55 Cs 56 Ba 57 La 72 Hf 73 Ta 74 W 87 LI 88 Ra 89 Ac 10 4 Rf 10 5 Db 10 6 Sg 25 Mn 26 Fe 27 Co 28 Ni 29 Cu 30 Zn 43 Tc 44 Ru 45 Rh 46 Pd 47 Ag 48 Cd 75 Re 76 Os 77 Ir 78 Pt 79 Au 80 Hg 10 7 Bh 10 8 Hs 10 9 Mt 11 0 11 1 11 2 1 H 3 Li 4 Be 11 Na 12 Mg 58 Ce 59 Pr 60 Nd 61 Pm 62 Sm 63 Eu 64 Gd 65 Td 66 Dy 67 Ho 68 Er 69 Tm 90 Th 91 Pa 92 U 93 Np 94 Pu 95 Am 96 Cm 97 Bk 98 Cf 99 Es 10 0 Fm 10 1 Md 70 Yb 71 Lu 10 2 No 10 3 Lr 1A ... Series 2 He 5 B 6 C 7 N 8 O 9 F 10 Ne 13 Al 14 Si 15 P 16 S 17 Cl 18 Ar 31 Ga 32 Ge 33 As 34 Se 35 Br 36 Kr 49 In 50 Sn 51 Sb 52 Te 53 I 54 Xe 81 Tl 82 Pb 83 Bi 84 Po 85 At 86 Rn 19 K 20 Ca 21 Sc 22 Ti 23 V 24 Cr 37 Rb 38 Sr 39 Y 40 Zr 41 Nb 42 Mo 55 Cs 56 Ba 57 La 72 Hf 73 Ta 74 W 87 LI 88 Ra 89 Ac 10 4 Rf 10 5 Db 10 6 Sg 25 Mn 26 Fe 27 Co 28 Ni 29 Cu 30 Zn 43 Tc 44 Ru 45 Rh 46 Pd 47 Ag 48 Cd 75 Re 76 Os 77 Ir 78 Pt 79 Au 80 Hg 10 7 Bh 10 8 Hs 10 9 Mt 11 0 11 1...

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Ngày tải lên: 04/07/2014, 18:20