cisco networking academy program ccna semester 1

CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 110 ppt

Ngày tải lên : 04/07/2014, 18:20

... bridges, 218 – 219 hubs, 217 repeater, 216 switches, 2 21 222 connectivity, NICs, 225–226 data centers, 54–55 Ethernet 10 -Gbps, 347–353 10 -Mbps, 317 , 320 10 BASE2, 3 21 322 10 BASE5, 320–3 21 10BASE-T, ... 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, 19 8 NEXT, 19 7 19 8 white noise, 19 0 non-adjacent networks, routing between, ... neutrons, 11 6 NEXT (near-end crosstalk), 19 7 19 8 measuring, 202 next hop, 726 nibbles, 329 NIC (network interface card), 10 NICs, 12 13 , 79, 81, 225–226 modem installation, 13 14 wireless, 91 NLP...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 1 doc

Ngày tải lên : 04/07/2014, 18:20

... Wednesday, May 21, 2003 11 : 31 AM ii Cisco Networking Academy Program CCNA and Companion Guide Third Edition Cisco Systems, Inc Cisco Networking Academy Program Copyright © 2003 Cisco Systems, ... with a Cisco trained and authorized Networking Academy provider For information on the Cisco Networking Academy Program or to locate a Networking Academy, please visit www .cisco. com/edu 11 02.book ... Academy Program series from Cisco Press The products in this series support and complement the Cisco Networking Academy Program curriculum If you are using this book outside the Networking Academy program, ...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 2 pptx

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 320 10 BASE2 ... 511 WAN Characteristics 511 WAN Devices 515 WAN Standards 515 WAN Connection ... . 610 Password Recovery Technique . 611 11 02.book Page xvii Tuesday, May 20, 2003 2:53 PM xvii Summary 614 Key Terms ...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 3 pdf

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 Kevin Warner Senior Director, Marketing Worldwide Education Cisco Systems, Inc 11 02.book Page xxvii Tuesday, May 20, 2003 2:53 PM xxvii Introduction Cisco Networking ... 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...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 4 pptx

Ngày tải lên : 04/07/2014, 18:20

... and practice 11 02.book Page Tuesday, May 20, 2003 2:53 PM 11 02.book Page Tuesday, May 20, 2003 2:53 PM Part I CCNA 1: Networking Basics Chapter Introduction to Networking Chapter Networking Fundamentals ... (see 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 ... computer 11 02.book Page Tuesday, May 20, 2003 2:53 PM Chapter 1: Introduction to Networking Figure 1- 1 Central Processing Unit Figure 1- 2 Floppy Disk Drive ■ Microprocessor—A silicon chip that contains...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 5 pps

Ngày tải lên : 04/07/2014, 18:20

... connected Figure 1- 5 shows a PC card adapter for a wireless local-area network (WLAN) Figure 1- 5 PC Card 11 11 02.book Page 12 Tuesday, May 20, 2003 2:53 PM 12 Chapter 1: Introduction to Networking ... 11 02.book Page 10 Tuesday, May 20, 2003 2:53 PM 10 Chapter 1: Introduction to Networking Figure 1- 4 Expansion Slot Motherboard Components NOTE Some ... Desktop systems can use a built-in or adapter card-type NIC 13 11 02.book Page 14 Tuesday, May 20, 2003 2:53 PM 14 Chapter 1: Introduction to Networking Situations that require NIC installation include...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 6 ppt

Ngày tải lên : 04/07/2014, 18:20

... expressed as 12 hex numbers instead Every bits is a hex digit (24 = 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 ... 22 21 20 Place Value 12 8 64 32 16 Example: 10 110 0 1 Example: 10 110 = (1 ∗ 24 = 16 ) + (0 ∗ 23 = 0) + (1 ∗ 22 = 4) + (1 ∗ 21 = 2) + (0 ∗ 20 = 0) = (16 + + + + 0) = 22 If the binary number (10 110 ) ... second position represents 10 1 (10 ∗ = 10 ) The third position represents 10 2 (10 ∗ 10 = 10 0) The seventh position to the left represents 10 6 (10 × 10 ∗ 10 ∗ 10 ∗ 10 ∗ 10 = 1, 000,000) This is true...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 7 pdf

Ngày tải lên : 04/07/2014, 18:20

... dotted-decimal format, 10 .0.0.0 is the network portion of the IP address Example 2: 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: ... Some examples of subnet masks follow Example 1: 11 111 111 .00000000.00000000.00000000 written in dotted decimal is 255.0.0.0 Example 2: 11 111 111 .11 111 111 .00000000.00000000 written in dotted decimal ... 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: network mask 000 010 10.00000000.00000000.00000000...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 9 pps

Ngày tải lên : 04/07/2014, 18:20

... Subscriber Line (DSL) 51 110 2.book Page 52 Tuesday, May 20, 2003 2:53 PM 52 Chapter 2: Networking Fundamentals ■ Frame Relay ■ T (U.S.) and E (Europe) carrier series—T1, E1, T3, E3, and so on ■ ... communicate across great distances 11 02.book Page 51 Tuesday, May 20, 2003 2:53 PM Networking Terminology Figure 2-7 WAN Corporate Headquarters Dallas Branch Office San Francisco Branch Office Miami Using ... users are routed to an optimally located content engine 11 02.book Page 55 Tuesday, May 20, 2003 2:53 PM Networking Terminology Figure 2 -10 Data Center Content Delivery Web Hosting Services Content...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 10 pps

Ngày tải lên : 04/07/2014, 18:20

... 50-ohm coaxial cable 10 Mbps 18 5 m 10 Mbps 500 m 10 Mbps 10 0 m 10 0 Mbps 10 0 m 10 00 Mbps 10 0 m 10 0 Mbps 2000 m 10 00 Mbps 220 m (10 BASE2 Ethernet, Thinnet) 50-ohm coaxial cable (10 BASE5 Ethernet, ... UTP (10 BASE-T Ethernet) Category UTP (10 0BASE-TX Ethernet) Category UTP (10 00BASE-TX Ethernet) Multimode optical ﬁber (62.5 /12 5 µm) (10 0BASE-FX Ethernet) Multimode optical ﬁber (62.5 /12 5 µm) (10 00BASE-SX ... Kilobits per second kbps kbps = 10 00 bps = 10 3 bps Megabits per second Mbps Mbps = 1, 000,000 bps = 10 6 bps Gigabits per second Gbps Gbps = 1, 000,000,000 bps = 10 9 bps Bandwidth Limitations Bandwidth...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 11 pps

Ngày tải lên : 04/07/2014, 18:20

... layer on the destination computer, as shown in Figure 2 -17 11 02.book Page 73 Tuesday, May 20, 2003 2:53 PM Networking Models Figure 2 -17 Peer-to-Peer Communication Sender Receiver Network Application ... data-ﬂow protocols Whereas the application, presentation, and session 71 110 2.book Page 72 Tuesday, May 20, 2003 2:53 PM 72 Chapter 2: Networking Fundamentals layers are concerned with application issues, ... to troubleshoot network problems if they occur during data packet ﬂow 11 02.book Page 71 Tuesday, May 20, 2003 2:53 PM Networking Models OSI Layers and Functions Each OSI layer has a set of functions...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 12 ppt

Ngày tải lên : 04/07/2014, 18:20

... uBR10 012 series, shown in Figure 2- 31, can handle thousands of subscribers 87 11 02.book Page 88 Tuesday, May 20, 2003 2:53 PM 88 Chapter 2: Networking Fundamentals Figure 2- 31 Cisco CMTS uBR10 012 ... network Figure 2-30 shows a Cisco 610 0 Series Advanced DSL Access Multiplexer 11 02.book Page 87 Tuesday, May 20, 2003 2:53 PM Networking Models Figure 2-30 Cisco DSLAM 610 0 CMTS Cable operators ... optical networking, which is primarily a backbone, wide-area technology Figure 2-32 shows a Cisco ONS 15 454 dense wavelength division multiplexing (DWDM) optical network system (ONS) The Cisco ONS 15 454...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 13 ppt

Ngày tải lên : 04/07/2014, 18:20

... 11 02.book Page 90 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 handles ... from VT • Deny All Other Packets New Hampshire Allow Access to HQ Vermont 11 02.book Page 91 Tuesday, May 20, 2003 2:53 PM Networking Models VPN Concentrators A VPN concentrator offers powerful remote ... transmission and reception Figure 2-36 shows wireless adapters 91 110 2.book Page 92 Tuesday, May 20, 2003 2:53 PM 92 Chapter 2: Networking Fundamentals Figure 2-36 Wireless Adapters Wireless Access...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 14 pot

Ngày tải lên : 04/07/2014, 18:20

... amplify, and retime signals before sending them along the network 10 1 11 02.book Page 10 2 Tuesday, May 20, 2003 2:53 PM 10 2 Chapter 2: Networking Fundamentals ■ The term hub is used instead of repeater ... the Internet D Provide full-time connectivity to local services 10 7 11 02.book Page 10 8 Tuesday, May 20, 2003 2:53 PM 10 8 Chapter 2: Networking Fundamentals Which of the following statements best ... networking device that is connected to the main networking device extranet Intranet-based applications and services that employ extended, secure access to external users or enterprises 10 3 11 02.book...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 15 pot

Ngày tải lên : 04/07/2014, 18:20

... 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 ... 11 4 67 Ho 99 Es N 15 P 33 As 51 Sb 83 Bi O 16 S 34 Se 52 Te 84 Po 11 6 68 Er 10 0 Fm F 17 Cl 35 Br 53 I 85 At 10 Ne 18 Ar 36 Kr 54 Xe 86 Rn 11 8 69 70 Tm Yb 10 1 10 2 Md No 71 Lu 10 3 Lr Atoms normally ... direction of a router D Switches perform Layer path selection 11 1 11 02.book Page 11 2 Tuesday, May 20, 2003 2:53 PM 11 2 Chapter 2: Networking Fundamentals 24 What does a router route? A Layer bits...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 16 potx

Ngày tải lên : 04/07/2014, 18:20

... Some Current Continuity Provides Resistance Wire Is Conductor 12 1 11 02.book Page 12 2 Tuesday, May 20, 2003 2:53 PM 12 2 Chapter 3: Networking Media The top of Figure 3-4 illustrates the ﬂashlight ... distances A wire with an AWG size of 24 would be 1/ 24th of an inch in diameter 12 3 11 02.book Page 12 4 Tuesday, May 20, 2003 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, 2003 2:53 PM 12 8 Chapter 3: Networking Media Coaxial Cable Coaxial cable, as shown in Figure 3 -10 , consists of four main parts:...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 17 ppsx

Ngày tải lên : 04/07/2014, 18:20

... terminators: ■ 15 0 ohm STP 2-pair cable (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, 2003 2:53 PM 13 2 ... cable, and how fiber is tested to ensure that it functions properly 13 3 11 02.book Page 13 4 Tuesday, May 20, 2003 2:53 PM 13 4 Chapter 3: Networking Media The Electromagnetic Spectrum The light used in ... mirror The light that is reflected back is called the reflected ray 13 5 11 02.book Page 13 6 Tuesday, May 20, 2003 2:53 PM 13 6 Chapter 3: Networking Media The light energy in the incident ray that is...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 18 ppsx

Ngày tải lên : 04/07/2014, 18:20

... 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, 2003 2:53 PM 14 8 Chapter 3: Networking Media struck ... cladding ■ A buffer ■ A strengthening material ■ An outer jacket 14 1 11 02.book Page 14 2 Tuesday, May 20, 2003 2:53 PM 14 2 Chapter 3: Networking Media Figure 3-23 Five Elements of a Fiber-Optic Cable ... 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, 2003 2:53 PM Optical...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 19 ppt

Ngày tải lên : 04/07/2014, 18:20

... problem of multiple paths that the light signal can follow Chromatic 11 02.book Page 15 1 Tuesday, May 20, 2003 2:53 PM Optical Media 15 1 dispersion, however, is a characteristic of both multimode and ... Optical Loss Meters and Optical Time Domain Reﬂectometers (OTDRs) 15 3 11 02.book Page 15 4 Tuesday, May 20, 2003 2:53 PM 15 4 Chapter 3: Networking Media These meters both test optical cable to ensure ... many—How many users can exist without slowing the data rate? 15 5 11 02.book Page 15 6 Tuesday, May 20, 2003 2:53 PM 15 6 Chapter 3: Networking Media These parameters all relate to the ability to...

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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 20 pps

Ngày tải lên : 04/07/2014, 18:20

... Spread Spectrum 11 0 11 0 0 Chipping Sequence 1 010 11 11 0 11 0 0 Number Received Number Sent Interference Transmitter Receiver 11 02.book Page 16 1 Tuesday, May 20, 2003 2:53 PM Wireless Networking ... 802 .11 b, called Wi-Fi or high-speed wireless, refers to DSSS systems that operate at 1, 2, 5.5, and 11 Mbps All 802 .11 b systems are backward-compliant in that they also support 802 .11 for 1- and ... 802 .11 standard is DSSS DSSS applies to wireless devices operating within a to Mbps range A DSSS system can operate at 16 1 11 02.book Page 16 2 Tuesday, May 20, 2003 2:53 PM 16 2 Chapter 3: Networking...

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