CCNA Cisco Certified Network Associate Study Guide - FTP Server

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46 Chapter 1 � Internetworking Cisco Hubs different options available through your service provider, you can choose the Cisco product that fits your business requirements. You have a few options, typically: dial-up asynchronous connections, leased lines up to 1.544Mbps, Frame Relay, and ISDN, which are the most popular WAN technologies. However, xDSL is the new front-runner to take over as the fastest, most reliable, cheapest WAN technology. You need to consider your usage before buying and implementing a technology. For example, if your users at a remote branch are connected to the corporate office more than three to four hours a day, then you need either Frame Relay or a leased line. If they connect infrequently, then you might get away with ISDN or dial-up connectivity. The next sections discuss the different types of Cisco hubs, routers, and switches you can use to build a hierarchical network. It is hard for me to imagine that you would call Cisco and ask to buy a hub, but I suppose it does happen or they wouldn’t be selling them. Cisco actually has an extensive listing of hubs that address an amazing variety of selection issues. Before you buy any hub, you need to know—not think you know, but actually know—which users can use a shared 10Mbps or shared 100Mbps network. The lower-end model of hubs Cisco offers supports only 10Mbps, while the middle-of-the-road one offers both 10- and 100Mbps auto-sensing ports. The higher-end hubs offer network-management port and console connections. If you are going to spend enough to buy a high-end hub, you should consider just buying a switch. Figure 1.20 shows the different hub products Cisco offers. Any of these hubs can be stacked together to give you more port density. These are the selection issues you need to know: � Business requirements for 10- or 100Mbps � Port density � Management � Ease of operation
FIGURE 1.20 Cisco hub products Cisco Routers Cisco 1500 Micro Hub Cisco 1528 Micro Hub 10/100 Cisco FastHub100 Cisco FastHub200 Selecting Cisco Products 47 Cisco FastHub300 Cisco FastHub400 When you think of Cisco, what do you think of first? Hubs? I don’t think so. You think of routers, of course. Cisco makes the best routers in the world. Everyone knows this, and it is also one of the reasons you are even reading this book. It seems as though Cisco comes out with a new router almost every month. It is hard to keep up with their new offerings. A key criterion when selecting router products is knowing what feature sets you need to meet your business requirements. For example, do you need IP, Frame Relay, and VPN support? How about IPX, AppleTalk, and DECnet? Cisco has it all. The other features you need to think about when considering different product-selection criteria are port density and interface speeds. As you get into the higher-end models, you see more ports and faster speeds. For example, the new 12000 series model is Cisco’s first gigabit switch and has enormous capability and functionality.
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CCNA Cisco Certified Network Associ
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Associate Publisher: Neil Edde Cont
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This book is dedicated to all the C
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Introduction Welcome to the excitin
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Introduction xxv installing, managi
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Introduction xxvii but you still ha
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Introduction xxix To meet the CCNP
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Introduction xxxi through!) Also, b
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CCDPs must also demonstrate profici
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Introduction xxxv answering the rev
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Introduction xxxvii don’t need to
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Introduction xxxix questions and un
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Assessment Questions Assessment Que
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Assessment Questions xliii 9. Which
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Assessment Questions xlv 17. What i
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Assessment Questions xlvii 23. Whic
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Assessment Questions xlix 31. What
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Assessment Questions li 39. What ar
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Assessment Questions liii 47. Which
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Page 45 and 46: Chapter 1 Internetworking THE CCNA
Page 47 and 48: Internetworking Models Internetwork
Page 49 and 50: The OSI Reference Model FIGURE 1.1
Page 51 and 52: FIGURE 1.3 Layer functions The OSI
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Page 55 and 56: The OSI Reference Model 11 Connecti
Page 57 and 58: The OSI Reference Model 13 answer t
Page 59 and 60: The OSI Reference Model 15 before s
Page 61 and 62: The OSI Reference Model 17 The rout
Page 63 and 64: The OSI Reference Model 19 For a ho
Page 65 and 66: Ethernet Networking 21 The Physical
Page 67 and 68: Ethernet Networking 23 Ethernet is
Page 69 and 70: FIGURE 1.11 802.3 and Ethernet fram
Page 71 and 72: 802.2 and SNAP FIGURE 1.12 802.2 an
Page 73 and 74: Ethernet Networking 29 You can iden
Page 75 and 76: FIGURE 1.13 Data encapsulation Data
Page 77 and 78: The Cisco Three-Layer Hierarchical
Page 79 and 80: The Core Layer The Cisco Three-Laye
Page 81 and 82: Assembling and Cabling Cisco Device
Page 89: 6-3 7-2 8-1 Selecting Cisco Product
Page 93 and 94: Cisco Switches Selecting Cisco Prod
Page 95 and 96: Summary Key Terms Summary 51 This c
Page 97 and 98: Written Labs In this section, you w
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Page 113 and 114: Chapter 2 Switching Technologies TH
Page 115 and 116: Layer-2 Switching 73 switches are f
Page 117 and 118: Layer-2 Switching 75 switch now has
Page 119 and 120: Loop Avoidance FIGURE 2.2 Broadcast
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Page 123 and 124: Spanning-Tree Protocol (STP) 81 802
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Page 127 and 128: FIGURE 2.6 Different switching mode
Page 129 and 130: Key Terms Summary 87 Before taking
Page 131 and 132: Review Questions 1. Which LAN switc
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Page 135 and 136: 15. What is the default LAN switch
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The Transmission Control Protocol/I
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102 Chapter 3 � Internet Protocol
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Answers to the Written Lab 167 8. S
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Answers to Review Questions 169 12.
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In this chapter, you will be introd
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174 Chapter 4 � Configuration and
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Routing This chapter will discuss t
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238 Chapter 5 � IP Routing In our
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240 Chapter 5 � IP Routing router
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242 Chapter 5 � IP Routing Figure
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244 Chapter 5 � IP Routing 2501A(
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246 Chapter 5 � IP Routing 2501C(
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248 Chapter 5 � IP Routing 2621A
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252 Chapter 5 � IP Routing 2501C(
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254 Chapter 5 � IP Routing To con
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256 Chapter 5 � IP Routing exampl
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258 Chapter 5 � IP Routing Howeve
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260 Chapter 5 � IP Routing Routin
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262 Chapter 5 � IP Routing When a
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266 Chapter 5 � IP Routing It is
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268 Chapter 5 � IP Routing RIP ha
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270 Chapter 5 � IP Routing varian
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272 Chapter 5 � IP Routing 2501B
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278 Chapter 5 � IP Routing The De
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282 Chapter 5 � IP Routing Comman
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284 Chapter 5 � IP Routing Writte
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286 Chapter 5 � IP Routing 2621(c
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296 Chapter 5 � IP Routing Answer
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298 Chapter 5 � IP Routing 13. C.
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Virtual LANs A Virtual Local Area N
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302 Chapter 6 � Virtual LANs (VLA
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Answers to Review Questions Answers
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Chapter 7 Managing a Cisco Internet
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The Internal Components of a Cisco
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Managing Configuration Registers 32
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Backing Up and Restoring the Cisco
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Using Cisco Discovery Protocol 345
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Using Telnet Using Telnet 351 Encap
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Using Telnet 353 Remember that the
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Checking Telnet Connections Using T
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Resolving Hostnames 357 This output
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Resolving Hostnames 359 To verify t
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Resolving Hostnames 361 it doesn’
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apollo Apollo echo appletalk Applet
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Key Terms Summary 365 Next, you lea
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Command Description Summary 367 no
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Written Lab Write in the answers to
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Hands-on Labs 371 flash tftp. This
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Lab 7.5: Using Telnet Hands-on Labs
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Hands-on Labs 375 4. Test your host
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Review Questions 377 5. Which memor
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13. What does the command cdp timer
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382 Chapter 7 � Managing a Cisco
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384 Chapter 7 � Managing a Cisco
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Most network administrators have, a
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388 Chapter 8 � Configuring Novel
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Answer to Review Questions Answer t
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Chapter 9 Managing Traffic with Acc
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Access Lists 441 interface. Applyin
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Access Lists 443 IP extended acces
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Access Lists 445 Now, that was the
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Access Lists 447 On the Acme router
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Access Lists 449 Once you choose th
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discard Discard (9) domain Domain N
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IPX Access Lists 453 LAN. However,
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IPX Access Lists 455 The access lis
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Router(config)#access-list 1010 per
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Key Terms Summary 459 � How to co
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Written Lab In this section, write
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Hands-on Labs 463 3. Choose an acce
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Hands-on Labs 465 5. Add the source
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Hands-on Labs 467 3. Configure an a
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Review Questions 469 4. Which of th
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Review Questions 471 10. Which of t
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Review Questions 473 18. Which acce
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Answers to Review Questions Answers
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Chapter 10 Wide Area Networking Pro
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Wide Area Networks 479 Demarcation
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High-Level Data-Link Control Protoc
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Point-to-Point Protocol (PPP) Point
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Point-to-Point Protocol (PPP) 485 A
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Point-to-Point Protocol (PPP) 487 I
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Frame Relay 489 Frame Relay provide
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Frame Relay 491 7. The CO receives
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Local Management Interface (LMI) Fr
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Frame Relay 495 out the same interf
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appletalk protocol eigrp no appleta
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Here’s an example using the Frame
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Frame Relay 501 really might need.
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Frame Relay 503 To see information
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Integrated Services Digital Network
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FIGURE 10.7 ISDN BRI reference poin
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Integrated Services Digital Network
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Dial-on-Demand Routing (DDR) 511 Th
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Dial-on-Demand Routing (DDR) 513 Th
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Optional Commands Dial-on-Demand Ro
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Summary Sho ip route Shows all rout
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Commands in This Chapter Command De
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Command Description Summary 521 sho
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Written Lab 523 13. Write the comma
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Hands-on Labs 525 3. To change the
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Hands-on Labs 527 In my seminars I
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FIGURE 10.10 ISDN lab E0 172.16.30.
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8. Configure the dialer information
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Review Questions 533 5. Regarding F
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13. Which command will list all con
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(The answers to the questions begin
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11. Config t Int bri0 Dialer string
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Answers to Review Questions 541 14.
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544 Appendix A � Practice Exam Qu
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546 Appendix A � Practice Exam 8.
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548 Appendix A � Practice Exam 18
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560 Appendix A � Practice Exam An
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The CCNA courseware for the new CCN
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570 Appendix B � Configuring the
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634 Appendix C � Commands in This
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650 Glossary A&B bit signaling Used
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652 Glossary address learning Used
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654 Glossary anycast An ATM address
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656 Glossary ATM Asynchronous Trans
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658 Glossary auxiliary port The con
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660 Glossary bridge A device for co
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662 Glossary CBR Constant Bit Rate:
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664 Glossary circuit switching Used
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666 Glossary configuration register
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668 Glossary crankback In ATM, a co
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670 Glossary DDP Datagram Delivery
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672 Glossary DSR Data Set Ready: Wh
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674 Glossary ELAN Emulated LAN: An
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676 Glossary failure domain The reg
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678 Glossary FragmentFree LAN switc
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680 Glossary helper address The uni
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682 Glossary IGP Interior Gateway P
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684 Glossary IP multicast A techniq
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686 Glossary learning bridge A brid
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688 Glossary MAC Media Access Contr
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690 Glossary MLP Multilink PPP: A t
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692 Glossary NetBEUI NetBIOS Extend
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694 Glossary NT1 network terminatio
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696 Glossary packet switch A physic
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698 Glossary poison reverse updates
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700 Glossary PVP tunneling permanen
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702 Glossary route poisoning Used b
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704 Glossary server Hardware and so
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706 Glossary span A full-duplex dig
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708 Glossary SR/TLB source-route tr
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710 Glossary subinterface One of ma
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712 Glossary TE terminal equipment:
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714 Glossary TRIP Token Ring Interf
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716 Glossary WAN wide area network:
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