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

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