Syngress - Eleventh Hour Network+ Exam N10-004 Study Guide (11 ...

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186 Index Data link layer, 74–75 functions of, 157 sublayers of, 75 troubleshooting, 165–166 Data translation, 77 Data transmission full duplex, 25 half-duplex, 25 simplex, 25 D connectors, 30 Decentralized network topology, 4 Decimal to binary conversion, 91 Default gateways, 50 Default subnet mask, 94 Demarc, 27 Demilitiarized zone (DMZ) layered implementation, 49 multiple interface firewall implementation, 49 Denial of service (DoS), 131 Department of defense (DoD) model, network interface layer of, 79 DHCP. See Dynamic host configuration protocol dig command, 161 Digital subscriber line (DSL), 13, 112 asymmetric, 112 disadvantage of, 112 modems, 42 characteristics of, 42 types of, 43 symmetric, 112 Direct sequence spread spectrum (DSSS), 58 Distributed DoS (DDoS), 131 DIX connectors, 30 DMZ. See Demilitiarized zone DNS. See Domain name service Documentation, 144 baselines, 146 change control, 145 configurations, 144 logical network diagrams, 146 physical network diagrams, 146 policies, 146 wiring schematics, 146 Domain name service (DNS), 50, 85, 126, 169 poisoning, 131 DSL. See Digital subscriber line Dynamic addressing, 96 Dynamic host configuration protocol (DHCP), 50, 84, 96, 97 Dynamic routing, classifications, 101 E E-mail relaying server, 126 Eavesdropping, 22 Electromagnetic (EM) field, 57 Electromagnetic interference (EMI), 21 Encapsulation, 73 Enhanced interior gateway routing protocol (EIGRP), 102 Ethernet, 28 types of, 28 NIC, 81 Extensible authentication protocol (EAP), 138 Extensible authentication protocol over LAN (EAPoL), 65 Extensible authentication protocol over wireless (EAPoW), 65 Exterior gateway protocols (EGP), 102 F F-type connectors, 30 Fiber-optic cables, 20 Fiber cabling, 25 Fiber connectors, 30–31 Fiber distributed data interface (FDDI) protocol, 110 File transfer protocol (FTP), 85, 126 Firewalls, 47 application-layer gateways, 123 application level, 48 circuit level, 48 dual-homed, 48 features, 49 packet level, 48 packet-filtering, 122 screened host, 48 screened subnet, 48 stateful inspection, 122 Frame relay protocol, 110 Frequency hopping spread spectrum (FHSS), 57 Fresnel zone, 56 G Gateways, 50, 77, 98, 160 application-layer, 123 Geosynchronous Earth orbits (GEOs) satellites, 115 H Hardware loopback adapter, 24 High availability protocol, 149 Honeynets, characteristics of, 124 Honeypot, characteristics of, 123–124 Host-to-host layer, 82 Host address space, 91 Host ID, 91, 92 classes, 93 rules for, 93 Hub-and-spoke topology, 11 Hubs, 37 active, 38 characteristics of, 37 passive, 38 troubleshooting, 165 Hybrid topology, 11 Hypertext transfer protocol (HTTP), 85, 125, 169 I IEEE1394, 33 IEEE 802.11 standards, 59–60 802.11b standard, 138 802.11i standard, 64–65 802.11w standard, 138 authentication methods in, 63–64 ifconfig command, 161 Informed attacks, 130 Infrared for wireless communications, 61 Infrared Data Association (IrDA), 61 Infrastructure network configuration, 60 Integrated services digital network (ISDN), 13, 43, 109 devices, 44 identifiers, 44 interfaces, 44 reference points, 44 Interference crosstalk, 21 electromagnetic, 21 radio frequency, 21 Interior gateway protocol (IGP), 101 Interior gateway routing protocol (IGRP), 102 Intermediate system–intermediate system (IS–IS), 102
Index 187 Internet access methods cable modem, 113 DSL, 112 POTS, 114 satellite, 115 WISP, 115 Internet control message protocol (ICMP), 157 Internet layer, 82 Internet message access protocol (IMAP), 84 Internet network information center (InterNIC), 92 Internet printing protocol, 84 Internet protocol (IP), 89 addressing, 91–93 primary role of, 89 routing, 98 spoofing, 130 Intrusion detection systems (IDS), 50, 121–122, 126 Intrusion protection system (IPS), 121 IP. See Internet protocol ipconfig command, 158, 166 IP version 4 (IPv4), 90 IP version 6 (IPv6), 90–91 ISDN. See Integrated services digital network J Jamming attacks, 69 K Kerberos, 134 L Layer 2 switch, 40 Layer 2 tunneling protocol (L2TP), 128 Layer 3 switch, 40, 47 Lightweight directory access protocol (LDAP), 134 characteristics of, 135 objects and attributes, 135 schema and classes, 135 securing, 136 Line of sight (LOS), 56 Link state advertisements (LSAs), 102 LMHOST file, 83 Load balancer, 51 Load balancing technique, 149 Local area network (LAN), 39 characteristics of, 13 e-mail process in, 14 Local connector (LC), 21, 31 Logical addresses, 75 Logical link control (LLC) layers, 58, 75 Logical network diagrams, 146 Low Earth orbit (LEO) satellites, 115 M MAC. See Media access control Man-in-the-middle attack (MITM), 130 Management frames, 61 Mechanical transfer registered jack (MTRJ) connector, 21, 31 Media access control (MAC), 81 address, 39, 40, 45 sublayer, 58, 75 Media attachment unit (MAU), 28 Media converters, 33 Medium Earth orbit (MEO) satellites, 115 Mesh topology, characteristics of, 10 Metropolitan area network (MAN), 14–15 Microsoft model, 78 Microsoft point-to-point encryption (MPPE) protocol, 127 Modems, 13, 41 analog, 42 cable, 42 characteristics and features of, 113 dial-up speed of, 114 network setup for, 114 DSL, 42–43 external, 41 internal, 42 multiline rack, 42 Monitors and protocol analyzers, 24 Multicasting, 97 Multifactor authentication, 132 Multilayer switches, 40 Multimode fiber (MMF) cable, 33 Multipath interference, 57 Multiport bridges, 40 Multiprotocol label switching (MPLS) protocol, 110 Mutual authentication characteristics of, 137 EAP methods for, 137 N nbtstat command, 158 NetBIOS. See Network basic input/output interface netstat command, 159 Netware troubleshooting, 161–162 Network adapters, 2 Network address translation (NAT), 95, 102 Network attached storage (NAS), 50 Network basic input/output interface (NetBIOS), 83 overTCP,82 Network diagrams, 146 Network elements, 2 Network ID, 91, 92 classes, 93 rules for, 93 Network interface card (NIC), 2, 45 installing, 45 media converters, 46 transceiver, 46 troubleshooting, 165 types and operation, 45 Network layer, 75–76 functions of, 157 interface, 79–81 hardware and software in, 81 TCP/IP, 81 troubleshooting, 166 Network management, 143 Network monitoring, 147 Network news transfer protocol (NNTP), 85 Network operating systems (NOSes), 2 Network performance optimization, 148 Network time protocol (NTP), 85 Network topology, logical centralized, 3 client/server, 5 decentralized (distributed), 4 peer-to-peer, 4 VLAN, 7 VPN, 6
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xii About the Authors Technical Edi
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2 CHAPTER 1 Network Fundamentals Ne
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22 CHAPTER 2 Network Media Table 2.
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28 CHAPTER 2 Network Media LAN TECH
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CHAPTER 7 Wide Area Networking 107
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WAN Protocols and Properties 109 In
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WAN Protocols and Properties 111 Cr
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Internet Access Methods 113 EXAM WA
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Internet Access Methods 115 Wireles
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