CCNA Cisco Certified Network Associate Study Guide - FTP Server

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496 Chapter 10 � Wide Area Networking Protocols RouterA(config)#int s0.? Serial interface number RouterA(config)#int s0.16 ? multipoint Treat as a multipoint link point-to-point Treat as a point-to-point link You can define an almost limitless number of subinterfaces on a given physical interface (keeping router memory in mind). In the above example, we chose to use subinterface 16 because that represents the DLCI number assigned to that interface. However, you can choose any number between 0 and 4,292,967,295. There are two types of subinterfaces: Point-to-point Used when a single virtual circuit connects one router to another. Each point-to-point subinterface requires its own subnet. Multipoint Used when the router is the center of a star of virtual circuits. Uses a single subnet for all routers’ serial interfaces connected to the frame switch. An example of a production router running multiple subinterfaces is shown below. Notice that the subinterface number matches the DLCI number. This is not a requirement but helps in the administration of the interfaces. Also notice that there is no LMI type defined, which means they are running either the default of Cisco or using autodetect if running Cisco IOS version 11.2 or newer. This configuration was taken from one of my customers’ production routers (used by permission). Notice that each interface is defined as a separate subnet, separate IPX network, and separate Apple- Talk cable range (AppleTalk is beyond the scope of this course): interface Serial0 no ip address no ip directed-broadcast encapsulation frame-relay ! interface Serial0.102 point-to-point ip address 10.1.12.1 255.255.255.0 no ip directed-broadcast appletalk cable-range 12-12 12.65 appletalk zone wan2
appletalk protocol eigrp no appletalk protocol rtmp ipx network 12 frame-relay interface-dlci 102 ! interface Serial0.103 point-to-point ip address 10.1.13.1 255.255.255.0 no ip directed-broadcast appletalk cable-range 13-13 13.174 appletalk zone wan3 appletalk protocol eigrp no appletalk protocol rtmp ipx network 13 frame-relay interface-dlci 103 ! interface Serial0.104 point-to-point ip address 10.1.14.1 255.255.255.0 no ip directed-broadcast appletalk cable-range 14-14 14.131 appletalk zone wan4 appletalk protocol eigrp no appletalk protocol rtmp ipx network 14 frame-relay interface-dlci 104 ! interface Serial0.105 point-to-point ip address 10.1.15.1 255.255.255.0 no ip directed-broadcast appletalk cable-range 15-15 15.184 appletalk zone wan5 appletalk protocol eigrp no appletalk protocol rtmp ipx network 15 frame-relay interface-dlci 105 ! interface Serial0.106 point-to-point Frame Relay 497
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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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Answers to the Assessment Questions
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Chapter 1 Internetworking THE CCNA
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Internetworking Models Internetwork
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The OSI Reference Model FIGURE 1.1
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FIGURE 1.3 Layer functions The OSI
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The OSI Reference Model 9 JPEG The
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The OSI Reference Model 11 Connecti
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The OSI Reference Model 13 answer t
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The OSI Reference Model 15 before s
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The OSI Reference Model 17 The rout
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The OSI Reference Model 19 For a ho
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Ethernet Networking 21 The Physical
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Ethernet Networking 23 Ethernet is
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FIGURE 1.11 802.3 and Ethernet fram
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802.2 and SNAP FIGURE 1.12 802.2 an
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Ethernet Networking 29 You can iden
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FIGURE 1.13 Data encapsulation Data
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The Cisco Three-Layer Hierarchical
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The Core Layer The Cisco Three-Laye
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Assembling and Cabling Cisco Device
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6-3 7-2 8-1 Selecting Cisco Product
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FIGURE 1.20 Cisco hub products Cisc
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Cisco Switches Selecting Cisco Prod
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Summary Key Terms Summary 51 This c
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Written Labs In this section, you w
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Lab 1.2: Defining the OSI Layers an
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Review Questions Review Questions 5
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8. How is a crossover cabled? Revie
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Review Questions 61 15. Routers can
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64 Chapter 1 � Internetworking An
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Chapter 2 Switching Technologies TH
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Layer-2 Switching 73 switches are f
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Layer-2 Switching 75 switch now has
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Loop Avoidance FIGURE 2.2 Broadcast
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Spanning-Tree Protocol (STP) Spanni
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Spanning-Tree Protocol (STP) 81 802
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Spanning-Tree Protocol (STP) 83 If
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FIGURE 2.6 Different switching mode
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Key Terms Summary 87 Before taking
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Review Questions 1. Which LAN switc
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Review Questions 91 8. What are the
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15. What is the default LAN switch
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96 Chapter 2 � Switching Technolo
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98 Chapter 2 � Switching Technolo
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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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280 Chapter 5 � IP Routing 07:13:
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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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288 Chapter 5 � IP Routing 2. Aft
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290 Chapter 5 � IP Routing weight
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292 Chapter 5 � IP Routing 5. Wha
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294 Chapter 5 � IP Routing 13. Wh
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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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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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Page 503 and 504: Hands-on Labs 467 3. Configure an a
Page 505 and 506: Review Questions 469 4. Which of th
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Page 515 and 516: Wide Area Networks 479 Demarcation
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Page 539 and 540: Frame Relay 503 To see information
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Page 565 and 566: FIGURE 10.10 ISDN lab E0 172.16.30.
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Page 575 and 576: 11. Config t Int bri0 Dialer string
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Page 579 and 580: 544 Appendix A � Practice Exam Qu
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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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