The Complete Guide to Networking and Network+

by Graves, Michael

• ISBN13: 9781418019440
• ISBN10: 1418019445
• Edition: 2nd
• Format: Paperback
• Copyright: 2005-06-09
• Publisher: Delmar Cengage Learning

Summary

Prepare to pass CompTIA's new Network+ Exam! This straightforward, no-nonsense guide to installing, configuring, and troubleshooting computer networks not only prepares readers to pass the certification exam, but serves to provide information on basic computer technology to the networking professional as well. Topics are thoughtfully organized in accordance with CompTIA's test objectives, taking readers through the seven layers of OSI so readers learn how information starts at one computer and ends up at another. From there, hands-on coverage of how networks are set up and configured is provided, which transports readers out of the realm of theory and into the "real world" of networking.

Author Biography

Michael Graves has taught computer hardware courses at Champlain College and The Essex Technical Center in Vermont.

Table of Contents

Preface	xvii
Introducing the New Network+	xxii
On Certification and Testing	xxiii
About the Exam	xxiii
The Test Objectives	xxiii
Part 1: An Introduction to Networking
Some Raw Basics of Networking	3	(32)
Getting Down to the Basics	3	(5)
Why Are We Bothering with a Network?	4	(4)
Some Basic Networking Hardware	8	(4)
Transceivers	8	(1)
Repeaters	8	(2)
Hubs	10	(1)
Switches	10	(1)
Bridges	10	(1)
Routers	11	(1)
Brouter	11	(1)
CSU/DSU	12	(1)
The Basic Concepts of Networking	12	(17)
Media	13	(2)
Network Topologies	15	(7)
The Hardware Protocols	22	(6)
Networking Standards	28	(1)
Chapter Summary	29	(6)
Brain Drain	29	(1)
The 64K$ Questions	29	(4)
Tricky Terminology	33	(1)
Acronym Alert	34	(1)
Clients and Servers---Who's the Boss?	35	(28)
Are We Peer-to-Peer, or Are We Client-Server?	36	(4)
Working in Peer-to-Peer	36	(2)
Managing the Client-Server Network	38	(2)
Network Models	40	(7)
The Domain Model	40	(5)
Directory Services	45	(2)
Network Operating Systems---The Server	47	(7)
Linux	49	(2)
Microsoft	51	(1)
Novell	52	(1)
Unix	53	(1)
Network Clients	54	(2)
Chapter Summary	56	(7)
Brain Drain	57	(1)
The 64K$ Questions	57	(3)
Tricky Terminology	60	(2)
Acronym Alert	62	(1)
The Highways and Byways of the Network	63	(36)
Moving Data over the Medium	64	(7)
Reviewing Binary	65	(1)
Hexadecimal	66	(1)
Do You Want Your Data in Tune or with the Beat?	67	(3)
Are You Living in a Full Duplex or a Half Duplex?	70	(1)
Bounded Media	71	(10)
Twisted Pair	72	(3)
Coaxial Cabling	75	(3)
Fiber-Optic Cable	78	(3)
SC-Connectors	81	(1)
Unbounded Media	81	(9)
Optical Networking	83	(3)
Networking over the Radio	86	(3)
Networking over Microwaves	89	(1)
Chapter Summary	90	(9)
Brain Drain	90	(1)
The 64K$ Questions	90	(4)
Tricky Terminology	94	(1)
Acronym Alert	94	(5)
Part 2: The World of OSI
Welcome to OSI	99	(30)
The Seven Layers of OSI	100	(5)
Movement of Data Between Layers	103	(1)
Protocol Data Units	104	(1)
The Layers Defined	105	(10)
The Application Layer	106	(1)
The Presentation Layer	107	(1)
The Session Layer	108	(2)
The Transport Layer	110	(2)
The Network Layer	112	(1)
The Data Link Layer	112	(3)
The Physical Layer	115	(1)
Putting It All Together	115	(5)
Where Do the 802 Standards Fit In?	120	(2)
Chapter Summary	122	(7)
Brain Drain	122	(1)
The 64K$ Questions	123	(3)
Tricky Terminology	126	(1)
Acronym Alert	127	(2)
Understanding the Physical Layer	129	(20)
The Functions of the Physical Layer	130	(1)
Bounded Physical Signaling	130	(8)
Moving Data Over Copper	131	(5)
Moving Data Over Fiber	136	(2)
Unbounded Physical Signaling	138	(4)
Networking Over Radio	139	(2)
Networking Over Microwaves	141	(1)
Chapter Summary	142	(7)
Brain Drain	142	(1)
The 64K$ Questions	142	(4)
Tricky Terminology	146	(1)
Acronym Alert	146	(3)
The Data Link Layer	149	(36)
Addressing Functions of the Data Link Layer	150	(3)
Physical Addressing in Data Link	151	(1)
Logical Addressing in Data Link	152	(1)
Encapsulation in the Data Link Layer	153	(1)
Defining Network Topologies and Implementation	153	(13)
CSMA/CD	154	(4)
Demand Priority	158	(2)
CSMA/CA	160	(1)
Token Passing	161	(5)
10-Gigabyte Ethernet	166	(2)
FDDI	168	(1)
Error Detection and Data Link	169	(4)
Lost Frames	170	(1)
Incorrect Checksum or CRC	171	(1)
Offending Frame Size	172	(1)
Buffer Overflow	172	(1)
Interference	173	(1)
Error Correction in Data Link	173	(1)
Flow Control in the Data Link Layer	173	(1)
Data Link Protocols	174	(2)
HDLC	174	(1)
PPP	175	(1)
Chapter Summary	176	(9)
Brain Drain	176	(1)
The 64K$ Questions	177	(3)
Tricky Terminology	180	(1)
Acronym Alert	181	(4)
The Network Layer	185	(24)
Addressing in the Network Layer	186	(5)
Logical Addressing in IPX/SPX	187	(1)
Logical Addressing in TCP/IP	188	(3)
Address Resolution	191	(1)
Routing and the Network Layer	191	(3)
Routing in IP/IPX	192	(1)
Routing in TCP/IP	192	(2)
Route Determination at the Network Layer	194	(8)
Routing Tables	194	(2)
Routing Protocols	196	(6)
Chapter Summary	202	(7)
Brain Drain	202	(1)
The 64K$ Questions	202	(4)
Tricky Terminology	206	(1)
Acronym Alert	207	(2)
The Transport Layer	209	(22)
Addressing in the Transport Layer	210	(1)
Packaging Data in the Transport Layer	211	(6)
The Concepts of Flow Control	217	(3)
Error Control in the Transport Layer	220	(3)
Congestion Control at the Transport Layer	223	(1)
Chapter Summary	223	(8)
Brain Drain	224	(1)
The 64K$ Questions	225	(3)
Tricky Terminology	228	(1)
Acronym Alert	229	(2)
The Session Layer	231	(18)
Establishing a Connection	232	(7)
Initiating a Link	233	(1)
Logon Authentication	234	(1)
The Connection ID	234	(2)
The Duration of the Connection and Services Required	236	(1)
The Final Steps of Initializing a Session	237	(2)
Dialogue Management and Synchronization	239	(3)
Dialogue Control	239	(2)
Synchronization Methods at the Session Layer	241	(1)
Releasing the Connection	242	(1)
Chapter Summary	242	(7)
Brain Drain	243	(1)
The 64K$ Questions	243	(4)
Tricky Terminology	247	(1)
Acronym Alert	248	(1)
View the Video	248	(1)
The Application and Presentation Layers	249	(22)
The Presentation Layer	250	(9)
Functions of the Presentation Layer	252	(1)
File Format and Compression	253	(4)
Data Encryption	257	(2)
The Application Layer	259	(3)
Chapter Summary	262	(9)
Brain Drain	262	(1)
The 64K$ Questions	263	(3)
Tricky Terminology	266	(1)
Acronym Alert	267	(4)
Part 3: The Networking Protocols
An Introduction to TCP/IP	271	(40)
TCP/IP's Illustrious Background	272	(1)
TCP/IP vs. OSI	273	(1)
The Basics of IP Addressing	274	(6)
Address Classes	277	(3)
The TCP/IP Protocol Suite	280	(20)
Process/Application Protocols	280	(7)
The Host-to-Host Protocols	287	(4)
Internet Layer Protocols	291	(9)
Address Translation in TCP/IP	300	(3)
WINS	301	(1)
HOSTS and LMHOSTS Files	302	(1)
Chapter Summary	303	(8)
Brain Drain	304	(1)
The 64K$ Questions	304	(3)
Tricky Terminology	307	(1)
Acronym Alert	308	(3)
Using TCP/IP on the Network	311	(30)
Configuring a Device for TCP/IP	312	(4)
Subnetting in TCP/IP	316	(5)
Classless Interdomain Routing	321	(3)
The TCP/IP Utilities	324	(11)
Ping	325	(1)
Trace Route	326	(2)
Netstat	328	(1)
Route	329	(1)
Nbtstat	330	(1)
Ipconfig	331	(1)
Nslookup	332	(2)
Dig	334	(1)
Ifconfig	334	(1)
Chapter Summary	335	(6)
Brain Drain	335	(1)
The 64K$ Questions	335	(4)
Tricky Terminology	339	(1)
Acronym Alert	340	(1)
The Other Protocols	341	(22)
IPX/SPX	341	(5)
Addressing in IPX/SPX	342	(2)
Configuring IPX/SPX	344	(1)
The IPX Packet Structure	345	(1)
Routing in IPX/SPX	346	(2)
Pros and Cons of IPX/SPX	348	(1)
NetBEUI	348	(2)
AppleTalk	350	(3)
Addressing in AppleTalk	351	(1)
AppleTalk over IP	352	(1)
The Other Protocols and OSI	353	(1)
Chapter Summary	354	(9)
Brain Drain	354	(1)
The 64K$ Questions	354	(4)
Tricky Terminology	358	(1)
Acronym Alert	358	(5)
Part 4: Putting It All to Work
Working with Remote Access	363	(34)
The Protocols	364	(4)
PPP	364	(2)
PPTP	366	(1)
PPPoE	367	(1)
RDP and ICA	367	(1)
Remote Connection Options	368	(2)
Circuit Switching vs. Packet Switching	368	(2)
Circuit Switching Options	370	(4)
PSTN	370	(2)
Radius	372	(1)
ISDN	372	(2)
Packet Switching Technologies	374	(7)
T-Lines and E-Lines	375	(2)
Frame Relay	377	(1)
FDDI	378	(1)
ATM	379	(1)
Sonet/SDH	380	(1)
Understanding OCx	381	(1)
Making the Connection	381	(7)
Dial-up Networking	383	(1)
Virtual Private Networks	383	(2)
Line Printer Remote	385	(1)
Remote Access Services	386	(1)
RDP	387	(1)
Chapter Summary	388	(9)
Brain Drain	388	(1)
The 64K$ Questions	388	(4)
Tricky Terminology	392	(1)
Acronym Alert	393	(4)
Working with Network Security	397	(42)
Just What Are We Protecting Ourselves From?	398	(1)
Some Basic Concepts of Security	399	(3)
Protection From the Inside	399	(1)
Securing Your Network From the Outside	400	(1)
Physical Security	401	(1)
Security Considerations	402	(4)
How Much Security is Needed?	402	(1)
Permitting Access From the Outside	403	(3)
Security in the NOS	406	(9)
Share Level Security vs. User Level	407	(2)
User Authentication	409	(1)
File System Security	410	(2)
Securing Printing Devices	412	(1)
Directory Services	413	(2)
Password Policy Management	415	(3)
Data Encryption	418	(3)
Building Your Barriers	421	(3)
Firewalls	422	(1)
Access Lists	423	(1)
Proxy Servers	423	(1)
The Security Protocols	424	(2)
SSL and TLS	425	(1)
SMIME	425	(1)
IPSEC	426	(1)
Secure Shell	426	(3)
The Secure Command Shell	427	(1)
Secure File Transfer	427	(1)
Port Forwarding	427	(1)
Secure Copy	428	(1)
WEP and WPA	428	(1)
Defending Against Viruses	429	(3)
Chapter Summary	432	(7)
Brain Drain	432	(1)
The 64K$ Questions	433	(3)
Tricky Terminology	436	(1)
Acronym Alert	437	(2)
Data Recovery and Fault Tolerance	439	(48)
Disk Structure and Data Recovery	440	(14)
Partitions	443	(2)
The Master Boot Record	445	(4)
Partition Tables	449	(1)
File Allocation Tables	450	(2)
Disk Editors and Partioning Utilities	452	(2)
Unformatting Utilities	454	(1)
Initiating Disaster Recovery	454	(2)
Holding Off Disaster	455	(1)
Planning a Good Backup Routine	456	(4)
Backup Hardware	457	(2)
Backup Software	459	(1)
Backup and Recovery Strategies	460	(9)
Determining a Backup Type	461	(1)
Determining a Backup Rotation	462	(2)
One-Touch Disaster Recovery	464	(2)
Internet Backup Storage Solutions	466	(1)
Network Attached Storage versus the Storage Area Network	467	(2)
Fault Tolerance	469	(9)
Implementing Fault Tolerance	469	(9)
Backup Data Sites	478	(2)
The Hot Site	478	(1)
Warm Sites	479	(1)
Cold Sites	479	(1)
Chapter Summary	480	(7)
Brain Drain	480	(1)
The 64K$ Questions	481	(3)
Tricky Terminology	484	(1)
Acronym Alert	485	(2)
Planning a Network Installation	487	(26)
Developing Your Plan	487	(9)
Creating Administrative Accounts	488	(2)
A Naming Convention for User Accounts	490	(1)
Creating a Computer Naming Convention	491	(2)
Developing an Addressing Scheme	493	(2)
Creating a Network Policy	495	(1)
Networking and the Environment	496	(5)
Heat	496	(1)
Humidity	497	(1)
EMI and RFI	498	(1)
ESD	499	(1)
Pollution	500	(1)
The Basic Components	501	(4)
Network Cabling	501	(1)
Managing the Hardware	502	(3)
Finalizing the Network	505	(1)
Chapter Summary	506	(7)
Brain Drain	506	(1)
The 64K$ Questions	506	(4)
Tricky Terminology	510	(1)
Acronym Alert	511	(2)
Network Documentation and Scheduled Maintenance	513	(22)
Hardware and Software Documentation	514	(2)
Documenting Your Network	516	(4)
Maintaining a Technical Library	520	(1)
Preventative Maintenance	521	(7)
NOS Maintenance	521	(1)
Device Drivers	522	(1)
Hardware Maintenance	523	(4)
Other Maintenance Routines	527	(1)
Chapter Summary	528	(7)
Brain Drain	528	(1)
The 64K$ Questions	529	(3)
Tricky Terminology	532	(1)
Acronym Alert	533	(2)
Troubleshooting the Network	535	(36)
The Network+ Troubleshooting Method	536	(5)
Identifying the Problem	537	(1)
Re-creating the Problem	538	(1)
Isolating the Cause of the Problem	538	(1)
Deciding on a Possible Solution	539	(1)
Testing Your Idea	540	(1)
Fixing the Problem	540	(1)
Following Up	540	(1)
Other Troubleshooting Approaches	541	(3)
The Novell Troubleshooting Model	541	(2)
The Collect, Isolate, and Correct Model	543	(1)
Troubleshooting Remote Connections	544	(2)
Troubleshooting Tools	546	(10)
Hardware-Based Troubleshooting Tools	546	(4)
Software-Based Troubleshooting Tools	550	(6)
A Session in Troubleshooting	556	(2)
Troubleshooting the Small Network	558	(2)
User Error/Intervention	558	(1)
Network Topology	559	(1)
Media Type	560	(1)
When Network Services Go Wrong	560	(2)
Machines That Can't Get Onto the Network	562	(2)
Chapter Summary	564	(7)
Brain Drain	564	(1)
The 64K$ Questions	564	(4)
Tricky Terminology	568	(1)
Acronym Alert	569	(2)
Navigating the Internet	571	(86)
The History of the Internet	571	(2)
Foundations of the Internet	573	(7)
The User's PC	574	(1)
The User's Datacom	574	(2)
The Local Loop Carrier	576	(1)
The ISP Point of Presence	576	(1)
The User Services	577	(1)
The ISP Backbone	578	(1)
On-line Content	578	(1)
Origin of Content	579	(1)
Administering the Internet	580	(2)
Chapter Summary	582	(7)
Brain Drain	582	(1)
The 64K$ Questions	582	(4)
Tricky Terminology	586	(1)
Acronym Alert	586	(3)
Appendices
Appendix A Answers to Chapter Exercises	589	(24)
Appendix B Complete Listing of Well-Known Ports	613	(14)
Appendix C Glossary	627	(16)
Appendix D Networking Acronyms	643	(14)
Index	657