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Network+ Certification Readiness Review
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Author |
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Craig Zacker
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Pages |
320
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Disk |
1 Companion CD(s)
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Level |
All Levels
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Published |
01/09/2002
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ISBN |
9780735614574
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ISBN-10 |
0-7356-1457-1
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Price(USD) |
$29.99
To see this book's discounted price, select a reseller below.
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Index
Symbols and Numbers
10Base2 (Thin Ethernet), 17-18
10Base5 (Thick Ethernet), 17-18
10Base-T Ethernet
IEEE 802.3 and, 17-18
RJ-45 connectors and, 26
star topology and, 6
100Base-FX (Fast Ethernet), 19, 26
100Base-T4 (Fast Ethernet), 19, 26
100Base-TX (Fast Ethernet), 19, 26
1000Base-T (Gigabit Ethernet), 19, 26
802.11b standard. See IEEE 802.11b (wireless)
802.3 standard. See IEEE 802.3 (Ethernet)
802.5 standard. See IEEE 802.5 (Token Ring)
A
abstract syntax, OSI communication, 58
access point, in infrastructure topology, 201
Active Directory service
authentication problems and, 258
DNS service and, 238
Kerberos and, 118
security options of, 128
ad hoc networks, 13, 201, 250
Address Resolution Protocol. See ARP
addressing function, OSI network layers, 59
ADSL (Asymmetrical Digital Subscriber Line), 202
AH (Authentication Header), 117
Apple Macintosh. See Macintosh computers
AppleTalk. 65
Macintosh computers and, 214
self-contained addresses for network computers, 66, 67
application layer, OSI, 58
FTP protocol and, 73
HTTP protocol and, 79
NTP protocol and, 75
protocols that function at, 77, 79
proxy servers and, 171, 175
Archive attributes, 154, 157
ARP (Address Resolution Protocol), 75, 194
ARP utility, 194, 198
Asymmetrical Digital Subscriber Line (ADSL), 202
asymmetrical services, 202, 205
Asynchronous Transfer Mode (ATM), 108
attenuation, testing, 220
AUI (Attachment Unit Interface) cable, 18
AUI connectors
associated with coaxial cable, 27, 28
compared with VGA video connectors, 27, 29
Thick Ethernet (10Base5) and, 28
Thin Ethernet (10Base2) and, 25
authentication
connectivity problems and, 258
Kerberos and, 118, 178
Novell Directory Services (NDS) and, 128
troubleshooting failure of, 209
Authentication Header (AH), 117
B
backup window, 153
backups, 153, 154, 156-57
bandwidth, WAN technologies providing, 110, 112
BNC (Bayonet Neil-Concelman) connectors, 25, 27, 28
BOOTP (Bootstrap Protocol)
name resolution with, 90-91
as support service for TCP/IP networks, 87
bridges, 36
connecting segments, 38, 40
functioning at data-link layer, 70
LANs and, 1
broadcast domains, 140
bus topology
BNC connectors and, 25
cable breaks and, 7-8
converting to star topology, 6-7
Ethernet protocol and, 12
LANs and, 5
segment length in, 31
troubleshooting, 249
C
cable. See network medium
cable connectors, 1
cable faults, troubleshooting, 249-50, 254
cable modems
remote access connections with, 159
WAN technologies for SOHO networks, 202
cable television network. See CATV
caching, proxy servers, 172
Carrier Sense Multiple Access with Col.lision Avoidance. See CSMA/CA
Category 3 cable, 18, 19, 20, 22
Category 5 cable, 19, 21, 23, 31
CATV (cable television network)
remote access connections with, 160
WAN technologies for SOHO networks, 202
cells, ATM, 108
Channel Service Unit/Data Service Unit. See CSU/DSU
CHAP (Challenge Handshake Authentication Protocol), 209, 212
CIFS (Common Internet File System), 141
circuit-switching networks
defined, 107
examples of, 110, 112
Class A, B, C addresses
IP address classes, 93
network and host identifiers in Class A addresses, 97
range of addresses for, 104
range of Class B addresses, 95, 96
subnets and, 99
client applications, configuring, 257
clients
configuring server access, 213-17
installing for network communication, 181-82
networking capacities of, 133-34
troubleshooting connectivity of, 257- 62
client/server networking, Novell NetWare, 127
clouds, 109
clusters, fault tolerance and, 148
coaxial cable
BNC and AUI connectors and, 27, 28
ease/difficulty of installation, 32
inability to run Fast Ethernet on, 34
types of, 18
collision LED, 226, 229
collisions
detection of, 31
on Ethernet networks, 12
switches reduce frequency of, 37, 69-70, 72
Common Internet File System (CIFS), 141
concentrators, 6. See also hubs
connectionless service, UDP, 76-77
connectivity. See also remote access connections
hubs and, 1
physical layer, OSI, 159-60
PPP connections, 114
satellite connections, 203
shared Internet connections, 201
testing fiber optic connections, 221
WAN connections, 107
connectors
cable, 1, 35
fault tolerance and, 32
troubleshooting, 263-68
types and functions of, 25-26
upgrading, 31
CRC (cyclical redundancy check), 13
crosstalk, testing, 220
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
Ethernet protocol and, 12
IEEE 802.11b and, 13
as MAC mechanism, 14, 15
CSU/DSU (Channel Service Unit/Data Service Unit), 37, 208
cut through routing, 137
cyclical redundancy check (CRC), 13
D
data encapsulation, 57, 114
data encryption. See encryption
data transmission speeds, IEEE protocols, 14, 15
data-link layer, OSI, 59
ARP protocol and, 75
bridges, 70
FDDI protocol and, 108
hubs, 69
IEEE standards for, 11
MAC mechanism and, 60, 62
OSI reference model and, 1
remote access connections, 160
switches, 69-70
VLANs and, 137
default gateway, 100, 102
DHCP and, 237
network communication configura.tion, 183
troubleshooting, 205
DHCP (Dynamic Host Configuration Protocol)
impact on network resources, 237
Ipconfig and Winipcfg and, 195
rollout procedure for, 241
as support service for TCP/IP networks, 87
dialog control, OSI session layer, 58
dialog separation, OSI session layer, 58
Dial-up Connection Properties dialog box, Microsoft Windows 2000, 160
dial-up services, ISDN, 111
differential backups, 154, 156-57
Digital Subscriber Line. See DSL
Direct Sequence Spread Spectrum (DSSS), 13
disaster recovery, 153-54, 156
disk duplexing, 147
disk mirroring (RAID level 1), 147-48, 151
disk striping (RAID level 0), 148, 151
disk striping with parity (RAID level 5), 148, 152
DNS (Domain Name System)
impact on network resources, 238, 241
name resolution with, 90-91
network communication configura.tion, 183
as support service for TCP/IP networks, 87-88
documentation, troubleshooting and, 244
domain names, 87
DSL (Digital Subscriber Line)
remote connections with, 159, 160
types of, 202
DSSS (Direct Sequence Spread Spectrum), 13
Dynamic Host Configuration Protocol. See DHCP
E
E-carriers (leased lines), 108, 110-11
ECC (error correcting code), 148
Echo Request and Echo Reply, 75, 193, 231
electromagnetic interference (EMI), 263, 268
e-mail, SMTP and POP3 and, 74
EMI (electromagnetic interference), 263, 268
Encapsulating Security Payload (ESP), 117
encryption, 119-20, 178, 180
environmental factors, network medium and, 32
ephemeral ports, 82, 85
error correcting code (ECC), 148
error detection, transport layer, 58, 73
ESP (Encapsulating Security Payload), 117
Ethernet. See IEEE 802.3 (Ethernet)
F
Fast Ethernet, 26
limitations of coaxial cable for, 34
networks, 6
specifications, 20, 22
types of, 19, 26
upgradability of cable for, 33, 34
upgrading Thin Ethernet to, 6-7
Fast Link Pulse (FLP), 226, 229
fault tolerance
clusters, 148
mesh topology and, 250
network medium for, 32
redundant backbones and, 147, 148
technologies providing, 150
FDDI (Fiber Distributed Data Interface), 11-12
installing as physical ring, 14, 16
ring topology and, 6, 250
as WAN technology, 108
fiber optics, 32, 221
Fibre Channel, 36, 142
file and printer sharing, 131
file sharing, NFS, 128
File Transfer Protocol. See FTP
firewalls, 165-66. See also proxy servers
choosing installation location, 169
network security with, 177-78
protecting computers on public networks, 105-6
flow control
L2TP and, 118
OSI transport layer, 58
TCP protocol and, 73
FLP (Fast Link Pulse), 226, 229
fox and hound wire tracer, 220, 223
fragmentation, 59, 73
Frame Relay, 109
FTP (File Transfer Protocol)
as application layer protocol, 58
functions of, 73
proxy server support for, 171
G
gateways, 37. See also default gateway
Gigabit Ethernet (1000Base-T), 19, 26
guaranteed delivery, transport layer, 58, 73
H
hard drive redundancy. See RAID
hardware address, 194. See also MAC addresses
HBA (Host Bus Adapter), 36
HDSL (High bit-rate Digital Subscriber Line), 202
header field, protocol information in, 81
hierarchical topology. See star/hierarchical topology
High bit-rate Digital Subscriber Line (HDSL), 202
home office networks. See small office/ home office (SOHO) networks
home satellite, WAN technologies for SOHO networks, 203
Host Bus Adapter (HBA), 36
host names
defined, 87
network communication configura.tion, 182
HTTP (Hypertext Transfer Protocol)
as application layer protocol, 58
functions of, 74
packet filtering and, 178
proxy server support for, 171
Web browsers and, 79
HTTPS (Secure Hypertext Transfer Protocol), 74
hubs, 36. See also MAU
connecting star topology with, 6
dual speed capability of, 267
MAUs and, 6
network connections and, 1
at physical layer, 69
running too many, 268
segment length and, 31
signal amplification by, 7, 9
troubleshooting, 249
Hypertext Transfer Protocol. See HTTP
I
IANA
network address assignments, 88
registration of public networks, 103
ICA (Independent Computing Architecture), 114
ICMP (Internet Control Messaging Protocol)
Echo Request and Echo Reply, 75, 231
functions of, 75
Ping and, 198
Tracert and, 193, 198
ICS (Internet Connection Sharing), 88
IEEE (Institute of Electrical and Electronics Engineers)
data transmission speeds, 14, 15
data-link layer standards, 11
networking protocol standards, 43
IEEE 802.11b (wireless), 13, 201
CSMA/CA and, 13
cyclical redundancy check (CRC) and, 13
features of, 11
IEEE 802.3 (Ethernet), 12
1000Base-T (Gigabit Ethernet), 19
100Base-FX (Fast Ethernet), 19
100Base-T4 (Fast Ethernet), 19
100Base-TX (Fast Ethernet), 19
10Base2 (Thin Ethernet), 17-18
10Base5 (Thick Ethernet), 17-18
10Base-T, 17-18
cable specifications, 20, 21
features of, 11
hubs on, 69
MAC and IP addresses and, 53
speed of, 17
types of, 17
IEEE 802.5 (Token Ring), 12
features of, 11
hubs, 69
MAC addresses, 53
ring topology and, 6, 250
troubleshooting, 256
IETF (Internet Engineering Task Force), 43
Ifconfig utility, 195
IMAP4 (Internet Message Access Protocol, version 4), 74
incremental backups, 154, 156-57
Independent Computing Architecture (ICA), 114
infrastructure topology
access point in, 201
defined, 13
troubleshooting, 250, 263-68
Institute of Electrical and Electronics Engineers. See IEEE (Institute of Electrical and Electronics Engineers)
Integrated Services Digital Network. See ISDN (Integrated Services Digital Network)
Internet Connection Sharing (ICS), 88
Internet Control Messaging Protocol. See ICMP (Internet Control Messaging Protocol)
Internet Engineering Task Force (IETF), 43
Internet Message Access Protocol, version 4 (IMAP4), 74
Internet Protocol. See IP
Internet service providers (ISPs), 159
Internetwork Packet Exchange. See IPX (Internetwork Packet Exchange)
interoperability, of clients/servers, 133-34
Intranetwork Packet Exchange/ Sequenced Packet Exchange. See IPX/SPX
IP addresses
classes of, 93
compared with MAC addresses, 53
DHCP and, 237
format of, 93
identifying addresses and subnet masks, 93-94
invalid, 96-97
network communication configura.tion, 182
overview of, 63-64
for private networks, 105-6
for public networks, 103
IP addressing, 73, 87
IP (Internet Protocol), 59, 73, 94
Ipconfig utility, 195, 233
IPSec, 117, 178
IPX (Internetwork Packet Exchange)
connecting to NetWare servers and, 213-14
as network layer protocol, 59
protocol configuration problems and, 208
IPX/SPX (Intranetwork Packet Exchange/Sequenced Packet Exchange), 64, 160
ISDN (Integrated Services Digital Network)
adapters, 35-36
dial-up services from, 111
remote access connections with, 159
as WAN technology, 108
ISPs (Internet service providers), 159
K
Kerberos, 118, 178
L
L2TP (Layer 2 Tunneling Protocol)
ESP's encryption service and, 120
as security protocol, 117-18
tunneling and, 120
LANs (local area networks)
incorporating WAN links into, 201-3
media access control (MAC) and, 12-13, 53
media and topology of, 1
topologies for, 5-6
VLAN security and, 137
wireless networking on, 201
Layer 2 Tunneling Protocol. See L2TP
layer 3 switching, 137
leased lines, 108, 114, 208
LEDs (light emitting diodes), troubleshooting with, 225-30
line printer daemon (lpd), 128, 213
line printer remote (lpr), 128, 213, 217
link pulse, LEDs, 225-26, 229, 230
local area networks. See LANs
locator, tone generator and, 220
lpd (line printer daemon), 128, 213
lpr (line printer remote), 128, 213, 217
M
MAC (media access control)
ARP utility and, 194
CSMA/CA and, 14, 15
LAN protocols and, 12-13
mechanism in data-link layer, 59, 60, 62, 70
MAC addresses
addressing packets with, 54, 56
assigning to network interface adapters, 53
determining, 194
IPX/SPX protocol and, 64
in protocol header, 55, 56
Macintosh computers
AppleTalk protocol, 65
difficulty of connecting to NetWare servers, 133
Microsoft Services for Macintosh, 136
as network clients, 214
networking capacities, 128, 134
mailbox services, 76-77
Management Information Base (MIB), 89
MANs (metropolitan area networks), 202
MAU (multistation access unit)
cable breaks and, 250
compared with Ethernet hubs, 69
maintaining network integrity, 7, 9
ring topology and, 6
as Token Ring hub, 36
media access control. See MAC
media connectors. See connectors
media, network. See network medium
media testers/certifier, 220
mesh topology, 6, 250, 255
metropolitan area networks (MANs), 202
MIB (Management Information Base), 89
Microsoft Active Directory service. See Active Directory service
Microsoft Services for Macintosh, 136, 214
Microsoft Services for UNIX, 213, 214
Microsoft Windows. See Windows
modems (modulator/demodulator)
analog transmission by, 38, 40
POTS service and, 202
PPP connections and, 114
remote access with, 113, 159
WAN connections and, 107
multiport repeaters, 69
multistation access unit. See MAU
N
name resolution
defined, 87
DNS servers and, 240
Ping utility and, 231, 234
NAS appliances
accessing, 146
adding storage capacity with, 36
components of, 145
defined, 141
deploying, 142
NAS (Network Attached Storage), 141-42
NAT (Network Address Translation)
as network layer protocol, 168
private networks and, 104, 105-6
providing Internet access to computers with unregistered IP addresses, 166
as support services for TCP/IP networks, 88
NAT servers
network security and, 178
proxy servers vs., 171-72, 176
Nbtstat utility, 195, 198
NDS (Novell Directory Services), 128, 214
NetBEUI (NetBIOS Extended User Interface)
as network layer protocol, 59
overview of, 64
protocol configuration problems and, 208
NetBIOS names
manual configuration of, 186
Microsoft Windows and, 214
network communication configura.tion, 182
WINS and, 240
Netstat utility, 194-95, 199
NetWare. See Novell NetWare
Network Attached Storage. See NAS
Network Connection Wizard, Microsoft Windows 2000, 160
Network File System. See NFS
network interface adapters, 35, 53, 59. See also NICs
network interface cards. See NICs (network interface cards)
network layer, OSI
ARP protocol and, 75
ICMP protocol and, 75
IP protocol and, 73
NAT and, 168
overview of, 59
packet delivery and, 60, 61
protocols suites or stacks, 63
remote access connections, 160
routers on, 70
network medium
cable connectors, 1
cable faults, troubleshooting, 249-50, 254
data-link layer and, 59
defined, 1
factors in selection of, 31-32
matching to network topology, 5
NICs and, 35
network protocol suites, 63-65
network security, 177-80
data encryption, 178
firewalls, 177-78
NAT and proxy servers, 178
network termination 1 (NT1), 35
Network Time Protocol (NTP), 75
network topologies
defined, 1
Ethernet protocol and, 12
function of, 5
recognizing, 2
troubleshooting, 251-58
networks
client capacities, 133-34
communication configuration, 181-83
comparing public and private, 103-4
impact of network services on network resources, 237-42
implementing, 121-24
main features, 2
operating system capacities, 127-28
troubleshooting, 243-48
WINS and network traffic, 242
NFS (Network File System)
network attached storage (NAS) and, 141
operating systems support for, 128
UNIX/Linux file sharing via, 213
NICs (network interface cards), 35
connecting computers to the network with, 1
functioning at physical and data-link layers, 70
manual configuration of, 185
network communication configuration and, 181
NLP (Normal Link Pulse), 225, 228
Novell client for NetWare, on Microsoft Windows, 136
Novell Directory Services (NDS), 128, 214
Novell NetWare
clients, 130, 133, 213-14
client/server networking in, 127
IPX/SPX and, 64
networking capacities of, 128
remote access connections, 160
NT1 (network termination 1), 35
NTP (Network Time Protocol), 75
NWLink, 64
O
OCx services, 109
open circuits, troubleshooting, 221
Open Systems Interconnection. See OSI reference model
operating systems
ability to configure computers to operate as servers, 160
connecting clients to servers and, 213-14
identifying basic networking capacities, 127-28
optical loss test set (OLTS), 221
optical testers, 221
optical time domain reflectometer (OTDR), 221
organizationally unique identifier (OUI), 53, 56
OSI (Open Systems Interconnection) reference model, 1
layers and functions of, 57-59
MAC addresses and, 54, 56
network components and, 69-70
protocol configuration problems and, 208
Public Switched Telephone Network (PSTN) and, 159
structure of, 43
OUI (organizationally unique identifier), 53, 56
P
packet filtering, 165, 177-78
packet-switching networks, 107
PAP (Password Authentication Proto.col), 209
parity, error correcting code (ECC) and, 148
Password Authentication Protocol (PAP), 209
patch cables, 219, 267
patch panels, 220
peer-to-peer networking, 127
permissions, connectivity problems and, 258, 260, 262
physical connectivity problems, 207
physical layer, OSI
hubs, 69
overview of, 59
remote access connections, 159-60
switches, 38, 39
Ping utility, 194
ICMP and, 75
output of, 231, 236
Plain Old Telephone Service. See POTS
Plug and Play, 160, 186
Point-to-Point Protocol. See PPP
Point-to-Point Protocol over Ethernet (PPPoE), 160
Point-to-Point Tunneling (PPTP), 114
POP3 (Post Office Protocol, version 3), 74, 178
port numbers, 84, 85
ports, 81-82, 166
Post Office Protocol, version 3 (POP3), 74, 178
POTS (Plain Old Telephone Service). See also PSTN
connecting private networks, 206
providing high speed WAN communication, 35
troubleshooting connectivity problems, 207
WAN technologies for SOHO networks, 202
power light, LED, 225
power meters, 221
PPP (Point-to-Point Protocol)
CHAP and, 212
protocol configuration problems and, 208
remote access connections, 114, 160
SLIP vs., 211
PPPoE (Point-to-Point Protocol over Ethernet), 160
PPTP (Point-to-Point Tunneling), 114
presentation layer, OSI, 58
printer sharing, 128
private networks, 103-4, 105-6
protocols
client connectivity and, 257, 261
comparison of, 63-65
connectivity problems and, 208
defined, 43
installing for network communication, 182
MAC addresses in header of, 55, 56
OSI layers and, 57
passing data between layers of protocol stack, 81
topologies and, 5
proxy servers, 171-72. See also firewalls
impact on network functionality, 180
NAT servers vs., 171-72, 176
network security, 175, 178
private networks and, 104, 105-6
PSTN (Public Switched Telephone Network). See also POTS
high speed WAN communication, 35
modems and, 37
remote access connections, 159, 163
WAN technologies for SOHO networks, 202
public networks, 103-4, 105-6
Public Switched Telephone Network. See PSTN
punch down tool, 220, 223, 224
R
RAID (Redundant Array of Independent Disks)
adding storage capacity with, 36
as network storage technology, 141
RAID level 0 (disk striping), 148, 151
RAID level 1 (disk mirroring), 147-48, 151
RAID level 5 (disk striping with parity), 148, 152
RAID level 6, 148
RAS (Remote Access Service), 113
redirector, Microsoft Windows, 257
redundant backbones, 148, 152
remote access, 35, 113-14
remote access connections, 159-60
troubleshooting, 207-9
via PSTN protocol, 163
Remote Access Service (RAS), 113
remote computers, physical layer connectivity of, 160
restore process, 154
RG-8 cable, 18, 34
RG-58 cable, 18, 34
rights/permissions, connectivity problems and, 258, 260, 262
ring topology
installing FDDI as physical ring, 14, 16
LANs and, 6
logical implementation of, 8, 10
MAUs and, 36, 69
troubleshooting, 250, 256
RJ-11 connectors, 26
RJ-45 connectors, 26
routers, 37
functioning at network layer, 70
incorporating WAN links into LANs, 201-2
LANs and, 1
mesh topology and, 250
providing remote access with, 35, 113
redundant paths of, 255
replacing with switches, 70
routing
IP protocol and, 73
network layer of OSI model, 59
protocols, 70
TCP/IP and, 63-64
RRAS (Routing and Remote Access Service), 113
S
SAM (security accounts manager), 134
SAN (storage area network), 36, 142
satellite connections, WAN technologies for SOHO networks, 203
SC (subscriber connector), 26
scanning, proxy servers, 172
scope of problems, troubleshooting, 244, 246, 247
scopes, DHCP, 87
SCSI (Small Computer System Interface), 141
SDH (Synchronous Digital Hierarchy), 109
Secure Hypertext Transfer Protocol (HTTPS), 74
Secure Sockets Layer (SSL), 118
security. See network security
security accounts manager (SAM), 134
security protocols, 117-18
segment length, 31
Serial Line Internet Protocol. See SLIP
servers, configuring computers as, 160
service dependent filtering
defined, 166
port 80 and, 178
use of protocol identifiers by, 168
session layer, OSI, 58
shared Internet connections, 201
shielded twisted pair (STP) cabling, 12
short circuits, troubleshooting, 221
S-HTTP. See Secure Hypertext Transfer Protocol
Simple Mail Transfer Protocol. See SMTP
Simple Network Management Protocol (SNMP), 89
SLIP (Serial Line Internet Protocol)
configuration problems and, 208
PPP vs., 211
remote access connections and, 160
Small Computer System Interface (SCSI), 141
small office/home office (SOHO) networks, 201-3
SMTP (Simple Mail Transfer Protocol)
as application layer protocol, 58
functions of, 74
packet filtering and, 178
proxy server support for, 171
SNMP (Simple Network Management Protocol), 89
SOHO (small office/home office) networks, 201-3
SONET (Synchronous Optical Network), 108
SSL (Secure Sockets Layer), 118
SSLHP (SSL Handshake Protocol), 118
SSLRP (SSL Record Protocol), 118
ST (straight tip) connectors, 26
star/hierarchical topology
Category 3 cable and, 19
converting bus topology to, 6-7
Ethernet protocol and, 12
hubs and, 36, 69
LANs and, 6
segment length in, 31
troubleshooting, 249, 254
storage area network. See SAN
storage capacity, networks, 36
storage technologies. See RAID
STP (shielded twisted pair) cabling, 12
straight tip (ST) connectors, 26
subnets
defined, 99, 101-2
DHCP and, 237
maximum number for Class A networks, 101-2
for network addresses, 104
network communication configuration and, 183
purpose of, 99-100
subscriber connector (SC), 26
switches, 37
connecting segments on single LAN, 38, 40
functioning at data-link layer, 69-70
LANs and, 1
VLANs and, 139
symptoms, troubleshooting and, 243
Synchronous Digital Hierarchy (SDH), 109
Synchronous Optical Network (SONET), 108
syntax, OSI communication, 58
T
T-carriers (leased lines), 108, 114, 208
tape drives, 153, 157
TCP (Transmission Control Protocol), 58, 73, 81-82
TCP/IP (Transmission Control Protocol/ Internet Protocol)
clients, 185
computer addresses and, 66, 67
connecting to NetWare servers, 213-14
operating systems and, 66, 68
OSI transport layer, 58
overview of, 63-64
protocols in, 73-74
supporting services, 87-89
utilities, 193-95, 231-36
Telnet (Telecommunication Network Protocol), 74, 76-77
terminators, 249
TFTP (Trivial File Transfer Protocol), 74
Thick Ethernet (10Base5)
bus topology and, 5
IEEE 802.3, 17-18
use of N connectors by, 25
Thin Ethernet (10Base2)
BNC connectors and, 25
bus topology and, 5
IEEE 802.3, 17-18
upgrading to Fast Ethernet, 6-7
thin-client/server computing, 114
Time-To-Live (TTL), 193
token passing, 12, 108
Token Ring (IEEE 802.5), 12
features of, 11
hubs, 69
MAC addresses, 53
ring topology and, 6, 250
troubleshooting, 256
tone generators, 220-21, 223, 224
topologies. See network topologies
Traceroute, 193, 232
Tracert utility, 193-94
checking router packet forwarding, 197
output of, 232, 235
transfer syntax, OSI, 58
Transmission Control Protocol/Internet Protocol. See TCP/IP
Transmission Control Protocol (TCP), 58, 73, 81-82
transport layer, OSI
protocols suites or stacks, 63
remote access, 160
TCP protocol and, 73
TCP/UDP ports, 81
UDP protocol and, 60, 61, 73
transposed wire pairs, 221
traps, SNMP, 89
Trivial File Transfer Protocol (TFTP), 74
trusted third-party authentication protocols, 118
TTL (Time-To-Live), 193
Tunneling, 114
data encapsulation and, 116
L2TP and, 117
VPN connections and, 159
twisted pair cable, 201, 224
U
UDP (User Datagram Protocol)
connectionless service with, 76-77
functions of, 73
ports, 81-82
in TCP/IP suite, 58
at transport layer, 60, 61
UNIX/Linux
difficulty of connecting to NetWare servers, 133
networking capacities of, 127-28, 134
TCP/IP as default protocol for, 63
UNIX/Linux clients, 213
unshielded twisted pair (UTP) cabling, 12, 32
uplink ports, 249
URLs, Web browsers and, 79
User Datagram Protocol. See UDP (User Datagram Protocol)
UTP (unshielded twisted pair) cabling, 12, 32
V
VGA video connectors, 25, 27, 29
virtual LANs (VLANs), 137
Virtual Private Networks. See VPNs
visual indicators. See LEDs
VLANS (virtual LANs), 137
VPNs (Virtual Private Networks)
advantages of, 116
remote access connections, 114, 159
W
WANs (wide area networks)
characteristics of, 107-8
high-speed communication, 35
PPP connections and, 114
remote access and, 159
WANs links
DNS servers and, 238
function of, 107
incorporating into LANs, 201-3
overview of, 1
well-known ports
configuring SMTP and POP3 services as email clients, 83, 84
defined, 81
list of, 82
Windows
Internet Connection Sharing (ICS) and, 88
interoperability with NetWare servers, 133, 136
networking capacities of Windows clients, 134, 214
redirector, 257
remote access services, 113
TCP/IP as default protocol for Windows computers, 63
Windows Internet Naming Service (WINS), 88
Windows NT/2000 Server
authentication problems and, 258
client support feature of, 131
Network Connection Wizard, 160
networking capacities of, 128
packet filtering capacity of, 165
Windows Internet Naming Service. See WINS
Winipcfg utility, 195, 233
WINS (Windows Internet Naming Service)
impact on network resources, 238, 241, 242
Microsoft Windows and, 88
WINS servers, 183
wire crimper, 219
wire map testers, 221, 223
wireless networking, 201
wireless topology, 6, 250
wiring tools, 219-24
wiring/infrastructure problems, troubleshooting, 263-68
X
xDSL, 202
Last Updated: November 28, 2001
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