CCNA Cisco Certified Network Associate Study Guide - FTP Server

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498 Chapter 10 � Wide Area <strong>Network</strong>ing Protocols Mapping Frame Relay ip address 10.1.16.1 255.255.255.0 no ip directed-broadcast appletalk cable-range 16-16 16.28 appletalk zone wan6 appletalk protocol eigrp no appletalk protocol rtmp ipx network 16 frame-relay interface-dlci 106 ! interface Serial0.107 point-to-point ip address 10.1.17.1 255.255.255.0 no ip directed-broadcast appletalk cable-range 17-17 17.223 appletalk zone wan7 appletalk protocol eigrp no appletalk protocol rtmp ipx network 17 frame-relay interface-dlci 107 ! interface Serial0.108 point-to-point ip address 10.1.18.1 255.255.255.0 no ip directed-broadcast appletalk cable-range 18-18 18.43 appletalk zone wan8 appletalk protocol eigrp no appletalk protocol rtmp ipx network 18 frame-relay interface-dlci 108 As we explained earlier, in order for IP devices at the ends of virtual circuits to communicate, their addresses must be mapped to the DLCIs. There are two ways to make this mapping happen: � Use the Frame Relay map command. � Use the inverse-arp function.
Here’s an example using the Frame Relay map command: Frame Relay 499 RouterA(config)#int s0 RouterA(config-if)#encap frame RouterA(config-if)#int s0.16 point-to-point RouterA(config-if)#no inverse-arp RouterA(config-if)#ip address 172.16.30.1 255.255.255.0 RouterA(config-if)#frame-relay map ip 172.16.30.17 16 ietf broadcast RouterA(config-if)#frame-relay map ip 172.16.30.18 17 broadcast RouterA(config-if)#frame-relay map ip 172.16.30.19 18 Here’s what we did: First, we chose configured interface serial 0 to use the encapsulation type of <strong>Cisco</strong> (default), then we created our subinterface. We then turned off inverse arp and mapped three virtual circuits and their corresponding DLCI numbers. Notice that we changed the encapsulation type for the first mapping. The frame map command is the only way to configure multiple frame encapsulation types on an interface. The broadcast keyword at the end of the map command tells the router to forward broadcasts for this interface to this specific virtual circuit. Remember that Frame Relay is a nonbroadcast multiaccess (NBMA) encapsulation method, which will not broadcast routing protocols. You can either use the map command with the broadcast keyword or the neighbor command within the routing process. Instead of putting in map commands for each virtual circuit, you can use the inverse-arp function to perform dynamic mapping of the IP address to the DLCI number. This makes our configuration look like this: RouterA(config)#int s0.16 point-to-point RouterA(config-if)#encap frame-relay ietf RouterA(config-if)#ip address 172.16.30.1 255.255.255.0 Yes, this configuration is a whole lot easier to do, but it’s not as stable as using the map command. Why? Sometimes, when using the inverse-arp function, configuration errors occur because virtual circuits can be insidiously and dynamically mapped to unknown devices.
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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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256 Chapter 5 � IP Routing exampl
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260 Chapter 5 � IP Routing Routin
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266 Chapter 5 � IP Routing It is
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270 Chapter 5 � IP Routing varian
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272 Chapter 5 � IP Routing 2501B
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282 Chapter 5 � IP Routing Comman
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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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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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Page 515 and 516: Wide Area Networks 479 Demarcation
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Page 579 and 580: 544 Appendix A � Practice Exam Qu
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550 Appendix A � Practice Exam 26
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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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