... desirable The 300 bps speed quickly became intolerable, and modem speeds started to increase By the 1990s, modems were running at 9600 bps They reached the current standard of 56 kbps (56,000 bps) by ... not already have one ■ Replacing a bad or damaged NIC ■ Upgrading from a 10-megabits per second (Mbps) NIC to a 10/100-Mbps NIC To install a NIC, as shown in Figure 1-8, you need the following ... cost-prohibitive The connection rate was very slow—300 bits per second (bps), which translates to about 30 characters per second As PCs became affordable in the 1970s, Bulletin Board Systems (BBSs) appeared,
Ngày tải lên: 04/07/2014, 18:20
... Reference: Cisco Secure Intrusion Detection System (Ciscopress) page 680 Q.28 Which Cisco IDS software update file can be installed on a IDS-4210 Sensor? ftp://user@10.0.0.1//IDSMk9-sp-Reference: Cisco ... Ethernet0 is named outside with a security level of 0 and Ethernet1 is named inside and assigned a security level of 100 Reference: Cisco Secure PIX Firewall (Ciscopress) page 56 Q.5 What command ... activity Reference: Cisco Secure Intrusion Detection System (Ciscopress) page 55 & 58 Q.39 A company has installed an IDSM into a Catalyst 6509 switch in slot 9 The network security architect
Ngày tải lên: 17/01/2014, 14:20
Mobile Advertising Guidelines Version 5.0 Mobile Marketing Association docx
... 7.0 Technical Requirements for Mobile Advertisers 20 8.0 Who We Are 20 9.0 References 21 10.0 MMA Guidelines Approval Process 22 11.0 Supporting Associations 23 12.0 Contact Us 23 13.0 ... Insertion and Delivery 13 5.0 Mobile Video and TV 14 5.1 Mobile Video and TV Advertising Unit Definitions 14 5.2 Mobile Video and TV Ad Break Specifications 15 6.0 Mobile Applications 16 ... Trang 1Mobile Advertising GuidelinesVersion 5.0 Mobile Marketing Association Trang 21.0 Overview 22.0 Mobile Web 3 2.1 Mobile Web Advertising Unit Definitions 3
Ngày tải lên: 15/03/2014, 22:20
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 110 ppt
... 10BASE2, 321–322 10BASE5, 320–321 10BASE-T, 322–323, 325–326, 328 100-Mbps, 328–329 100BASE-FX, 332–334 100BASE-T, 329–332 1000-Mbps, 337–339 1000BASE-LX, 342–344 1000BASE-SX, 342–345 1000BASE-T, 339–342 ... 337–339 1000BASE-LX, 342–344 1000BASE-SX, 342–345 1000BASE-T, 339–342 architecture, 345–347 global configuration mode (CLI), 592–593 global parameter configuration, Cisco IOS Software, 556–559 goals ... resolution, 606–607 IPv4, 392, 394 address classes, 394–397 private, 400–402 public, 400–402 reserved IP addresses, 398–399 RFC 1918, 401 resolution issues, 417–419 subnetting, 402–404, 455–457 ANDing,
Ngày tải lên: 04/07/2014, 18:20
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 1 doc
... www.ciscopress.com 1102.book Page i Tuesday, May 20, 2003 2:53 PM Trang 2Cisco Networking Academy Program CCNA 1 and 2 Companion Guide Third Edition Cisco Systems, Inc. Cisco Networking Academy Program ... 1Cisco Networking Academy Program CCNA 1 and 2 Companion Guide Third Edition Cisco Systems, Inc Cisco Networking Academy Program Cisco Press 201 West 103rd Street Indianapolis, Indiana 46290 ... Communications 154 Wireless Data Communications 154 1102.book Page ix Tuesday, May 20, 2003 2:53 PM Trang 10Wireless Signal 155 Radio Frequency Bands 157 Spread-Spectrum Technology 159 FHSS
Ngày tải lên: 04/07/2014, 18:20
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 3 pdf
... .1009 1102.book Page xxii Tuesday, May 20, 2003 2:53 PM Trang 3 xxiiiCisco Systems Networking Icon Legend Cisco Systems, Inc., uses a standardized set of icons to represent devices in network ... the Cisco Networking Academy Program Kevin Warner Senior Director, Marketing Worldwide Education Cisco Systems, Inc 1102.book Page xxvi Tuesday, May 20, 2003 2:53 PM Trang 7 xxviiIntroduction Cisco ... 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
Ngày tải lên: 04/07/2014, 18:20
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 4 pptx
... Introduction to NetworkingThe Internet is the largest data network in the world The Internet consists of a multi-tude of interconnected networks, both large and small At the edge of this giant network ... corresponds to the Module 5 content from the CCNA 2 online curriculum ■ Chapter 15, “Routing and Routing Protocols,” covers the router’s use and oper-ations in performing the key internetworking function ... (packet) delivery at the network layer Finally, it explains how ARP and RARP work This chapter corresponds to the Module 10 content from the CCNA 2 online curriculum ■ Chapter 20, “Access Control Lists,”
Ngày tải lên: 04/07/2014, 18:20
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 6 ppt
... moment Instead of writing 10101010.11110000.11000001.11100010.01110111.01010001 you can write the much-shorter hex equivalent: AA.F0.C1.E2.77.51 To make handling hex versions of MAC addresses ... example: Convert the binary number 01110000 to a decimal number 0∗ 20 = 0 + 0∗ 21 = 0 + 0∗ 22 = 0 + 0∗ 23 = 0 + 1∗ 24 = 16 + 1∗ 25 = 32 + 1∗ 26 = 64 + 0∗ 27 = 0 112 (The sum of the powers of 2 ... in Cisco routers Cisco routers have a configuration register that is 16 bits long That 16-bit binary number can be repre-sented as a four-digit hexadecimal number For example, 0010000100000010
Ngày tải lên: 04/07/2014, 18:20
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 7 pdf
... Using the first mask (255.0.0.0): 00001010.00100010.00010111.10000110: IP address 11111111.00000000.00000000.00000000: network mask 00001010.00000000.00000000.00000000 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): 00001010.00100010.00010111.10000110: IP address 11111111.11111111.00000000.00000000: network ... on that network Some examples of subnet masks follow Example 1: 11111111.00000000.00000000.00000000 written in dotted decimal is 255.0.0.0 Example 2: 11111111.11111111.00000000.00000000 written
Ngày tải lên: 04/07/2014, 18:20
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 9 pps
... Long-Haul Network POP 1 Customer Premises POP 2 Customer Premises Access Network Metropolitan-Area Network SAN Site Colocation Site 1102.book Page 53 Tuesday, May 20, 2003 2:53 PM 54 Chapter 2: Networking ... charges. 1102.book Page 52 Tuesday, May 20, 2003 2:53 PM Networking Terminology 53 Figure 2-8 MAN Specialized Networks Located Within the LAN There are times when smaller and more specialized networks ... are routed to an optimally located content engine. 1102.book Page 54 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
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 10 pps
... kbps = 1000 bps = 103 bps Megabits per second Mbps 1 Mbps = 1,000,000 bps = 106 bps Gigabits per second Gbps 1 Gbps = 1,000,000,000 bps = 109 bps Trang 4capacity of a given medium However, a network’s ... 50-ohm coaxial cable (10BASE2 Ethernet, Thinnet) 50-ohm coaxial cable (10BASE5 Ethernet, Thicknet) Category 5 UTP (10BASE-T Ethernet) Category 5 UTP (100BASE-TX Ethernet) Category 5 UTP (1000BASE-TX ... the network in a given period of time Therefore, the amount of available bandwidth is a Multimode optical fiber (50/125 µm) (1000BASE-SX Ethernet) Single-mode optical fiber (9/125 µm) (1000BASE-LX
Ngày tải lên: 04/07/2014, 18:20
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 11 pps
... networking technology, they added networks and expanded existing networks almost as rapidly as new network technologies and products were introduced By the mid-1980s, these companies began to experience ... ways The early 1980s saw tremendous increases in the number and size of networks As compa-nies realized the money they could save and the productivity they could gain by using networking technology, ... throughout a network In addition, the OSI reference model describes how information, or data packets, travels from application programs (such as spreadsheets and documents) through a network medium
Ngày tải lên: 04/07/2014, 18:20
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 12 ppt
... switches—perform multilayer functioning For example, the Cisco 6500 and 8500 series perform some Layer 3 func-tions The Cisco Catalyst 8500, shown in Figure 2-27, is a Layer 3-enhanced ATM switch ... of sub-scriber premises and the carrier network Figure 2-30 shows a Cisco 6100 Series Advanced DSL Access Multiplexer Trang 9Figure 2-30 Cisco DSLAM 6100CMTS Cable operators use a Cable Modem ... Figure 2-29 shows a Cisco AS5400 Series Universal Gate-way, which offers universal port data, voice, wireless, and fax services on any port at any time Figure 2-29 Cisco AS5400 Series Universal
Ngày tải lên: 04/07/2014, 18:20
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 13 ppt
... or leave certain networks. Figure 2-33 shows a Cisco PIX Firewall 535 series, which is a dedicated network device. 1102.book Page 89 Tuesday, May 20, 2003 2:53 PM 90 Chapter 2: Networking Fundamentals ... 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 1102.book Page 94 Tuesday, May 20, 2003 2:53 PM Network Topologies 95 The following sections describe the different networking ... encryption and authentication techniques available today. Figure 2-35 shows a VPN 3000 Concentrator. Figure 2-35 Cisco VPN 3000 Concentrator Wireless Devices A wireless LAN (WLAN) provides all
Ngày tải lên: 04/07/2014, 18:20
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 14 pot
... Topology A network’s logical topology is how the hosts communicate across the medium The two most common types of logical topology are broadcast and token passing Trang 2100 Chapter 2: Networking ... sending them along the network Trang 4102 Chapter 2: Networking Fundamentals■ The term hub is used instead of repeater when referring to the device that serves as the center of a network Hubs (also ... host in the network is connected to the central device with its own cable When a star network is expanded to include additional networking devices that are connected to the main networking device,
Ngày tải lên: 04/07/2014, 18:20
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 15 pot
... 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 104 Rf 105 Db 106 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 ... 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 ... 78 Pt 79 Au 80 Hg 107 Bh 108 Hs 109 Mt 110 111 112 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
Ngày tải lên: 04/07/2014, 18:20
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 16 potx
... at speeds up to 100 Mbps. Used in Fast Ethernet networks. ■ Category 5e (CAT 5e)—Used in networks running at speeds up to 1000 Mbps (1 Gbps). Used in Gigabit Ethernet (GigE) networks. ■ Category ... registered jack 45 (RJ-45) connector, as shown in Figure 3-9. Outer Jacket Overall Shield Twisted Pair RJ-45 Connector Color-Coded Plastic Insulation 1102.book Page 125 Tuesday, May 20, 2003 2:53 PM 126 ... Strength—Cold-rolled copper has a tensile strength 3500 to 4900 kilograms per square centimeter. Copper keeps its strength and toughness up to about 400° Fahrenheit (F) (204° Celsius [C]). This section focuses
Ngày tải lên: 04/07/2014, 18:20
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 17 ppsx
... (0.000000001 m) in length and is abbreviated nm. Electromagnetic energy with wave- lengths between 700 nm and 400 nm is called visible light. The longer wavelengths of light (those around 700 ... about 300,000 kilometers per second or 186,000 miles per second or the speed of light. Human eyes can sense electromagnetic energy only with wavelengths between 700 nanometers and about 400 nanometers. ... Index of Refraction Air 1.000 Glass 1.523 Diamond 2.419 Water 1.333 IR Speed of light in a vacuum Speed of light in a material = 1102.book Page 136 Tuesday, May 20, 2003 2:53 PM Optical Media 137
Ngày tải lên: 04/07/2014, 18:20
Tài liệu Chapter 5 - OSI Network Layer CCNA Exploration version 4.0 ppt
... into Networks • Reasons for grouping devices into sub-networks and define several terms used to identify the sub-networks – Geographic Học viện mạng Bách khoa - Website: www.bkacad.com 27 Network ... destination within a network or on another network with minimum overhead. • Reasons for grouping devices into sub-networks and define several terms used to identify the sub-networks – Ownership Grouping ... www.bkacad.com 39 Network Layer Protocols and Internet Protocol (IP) Học viện mạng Bách khoa - Website: www.bkacad.com 3 • Define the basic role of the Network Layer in data networks • The protocols...
Ngày tải lên: 22/12/2013, 13:17
Cisco Secure PIX Firewall Advanced Version 4.0
... deny 0 0 eq jave pix(config)#apply (inside) 1 outgoing_src B. pix(config)#outbound 1 deny 0. 0 .0. 0 0. 0 .0. 0 java pix(config)#apply (inside) 1 outgoing_src C. pix(config)#outbound 1 deny 0. 0 .0. 0 ... King(config)#interface ethernet4 100 full King(config)#ip address tess 172.19.4.1 255 . 255 . 255 .0 QUESTION NO: 100 Type the command that reboots the PIX Firewall. Answer: reload 9E0 - 111 Leading ... NO: 30 What is the command to enable a PIX Firewall to inspect port 55 4 for RTSP traffic? A. fixup protocol rtsp 55 4 B. inspect rtsp 55 4 C. fixup rtsp 55 4 D. inspect protocol rtsp 55 4 ...
Ngày tải lên: 18/10/2013, 18:15
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