CCNA^TM: Cisco^® Certified Network Associate Study Guide: Exam 640 - 801, Deluxe, 4th Edition

by Todd Lammle

• ISBN13: 9780782143928
• ISBN10: 078214392X
• Edition: 4th
• Format: Hardcover
• Copyright: 2005-03-01
• Publisher: Sybex

Summary

If you're serious about getting your CCNA certification and advancing your career in the field of internetworking, then here's the book you need. This Deluxe Edition of the best-selling CCNA: Cisco Certified Network Associate Study Guide was developed to meet the exacting requirements of today's Cisco certification candidates. In addition to the engaging and accessible instructional approach that has earned author Todd Lammle the "Best Study Guide Author" award in CertCities Readers Choice Awards for two consecutive years, this updated fourth edition provides: * In-depth coverage of every CCNA exam objective * Expanded IP addressing and subnetting coverage * More detailed information on EIGRP and OSPF * Leading-edge exam preparation software, including the CCNA Virtual Lab, Gold Edition, as well as Sybex's custom test engine, electronic flashcards, and the entire book in PDF Authoritative coverage of all exam objectives, including: * Network planning & designing * Implementation & operation * LAN and WAN troubleshooting * Communications technology

Author Biography

Todd Lammle, CCNA, CCNP, has over twenty years of experience working with various LANs and WANs, and has been working on Cisco router networks since 1986. He is CEO and Chief Scientist of RouterSim, LLC and President of GlobalNet Training, Inc.

Table of Contents

Introduction	xix
Assessment Test	xxxiii
Internetworking	1	(58)
Internetworking Basics	2	(5)
Internetworking Models	7	(1)
The Layered Approach	7	(1)
Advantages of Reference Models	8	(1)
The OSI Reference Model	8	(16)
The Application Layer	10	(1)
The Presentation Layer	11	(1)
The Session Layer	12	(1)
The Transport Layer	13	(4)
The Network Layer	17	(3)
The Data Link Layer	20	(3)
The Physical Layer	23	(1)
Ethernet Networking	24	(9)
Half- and Full-Duplex Ethernet	25	(1)
Ethernet at the Data Link Layer	26	(5)
Ethernet at the Physical Layer	31	(2)
Ethernet Cabling	33	(3)
Straight-Through Cable	33	(1)
Crossover Cable	34	(1)
Rolled Cable	35	(1)
Wireless Networking	36	(2)
Data Encapsulation	38	(4)
The Cisco Three-Layer Hierarchical Model	42	(3)
The Core Layer	44	(1)
The Distribution Layer	44	(1)
The Access Layer	45	(1)
Summary	45	(1)
Exam Essentials	46	(1)
Written Lab 1	47	(3)
Written Lab 1.1: OSI Questions	47	(1)
Written Lab 1.2: Defining the OSI Layers and Devices	48	(1)
Written Lab 1.3: Identifying Collision and Broadcast Domains	49	(1)
Review Questions	50	(4)
Answers to Review Questions	54	(2)
Answers to Written Lab 1.1	56	(1)
Answer to Written Lab 1.2	57	(1)
Answers to Written Lab 1.3	57	(2)
Internet Protocols	59	(46)
TCP/IP and the DoD Model	60	(23)
The Process/Application Layer Protocols	62	(4)
The Host-to-Host Layer Protocols	66	(9)
The Internet Layer Protocols	75	(8)
Binary to Decimal and Hexadecimal Conversion	83	(3)
IP Addressing	86	(8)
IP Terminology	87	(1)
The Hierarchical IP Addressing Scheme	87	(5)
Private IP Addresses	92	(2)
Broadcast Addresses	94	(1)
Introduction to Network Address Translation (NAT)	95	(1)
Summary	96	(1)
Exam Essentials	96	(1)
Written Lab 2	97	(1)
Review Questions	98	(4)
Answers to Review Questions	102	(2)
Answers to Written Lab 2	104	(1)
IP Subnetting and Variable Length Subnet Masks (VLSMs)	105	(54)
Subnetting Basics	106	(6)
IP Subnet-Zero	107	(1)
How to Create Subnets	108	(1)
Subnet Masks	109	(1)
Classless Inter-Domain Routing (CIDR)	110	(2)
Subnetting Class C Addresses	112	(18)
The Binary Method: Subnetting a Class C Address	112	(2)
The Fast Way: Subnetting a Class C Address	114	(8)
Subnetting Class B Addresses	122	(6)
Subnetting Class A Addresses	128	(2)
Variable Length Subnet Masks (VLSMs)	130	(11)
VLSM Design	132	(2)
Implementing VLSM Networks	134	(7)
Summarization	141	(1)
Troubleshooting IP Addressing	142	(6)
Determining IP Address Problems	143	(5)
Summary	148	(1)
Exam Essentials	148	(1)
Written Lab 3	149	(1)
Review Questions	150	(5)
Answers to Review Questions	155	(2)
Answers to Written Lab 3	157	(2)
Introduction to the Cisco IOS	159	(62)
The Cisco Router User Interface	160	(8)
Cisco Router IOS	161	(1)
Connecting to a Cisco Router	161	(1)
Bringing Up a Router	162	(2)
Setup Mode	164	(4)
Command-Line Interface	168	(11)
Logging into the Router	169	(1)
Overview of Router Modes	170	(1)
CLI Prompts	171	(2)
Editing and Help Features	173	(5)
Gathering Basic Routing Information	178	(1)
Router and Switch Administrative Functions	179	(10)
Hostnames	179	(1)
Banners	180	(1)
Setting Passwords	181	(5)
Encrypting Your Passwords	186	(2)
Descriptions	188	(1)
Router Interfaces	189	(5)
Bringing Up an Interface	190	(1)
Configuring an IP Address on an Interface	191	(1)
Serial Interface Commands	192	(2)
Viewing, Saving, and Erasing Configurations	194	(8)
Verifying Your Configuration	196	(6)
Summary	202	(1)
Exam Essentials	203	(1)
Written Lab 4	204	(2)
Hands-on Labs	206	(7)
Hands-on Lab 4.1: Logging into a Router	206	(1)
Hands-on Lab 4.2: Using the Help and Editing Features	207	(1)
Hands-on Lab 4.3: Saving a Router Configuration	208	(1)
Hands-on Lab 4.4: Setting Your Passwords	208	(2)
Hands-on Lab 4.5: Setting the Hostname, Descriptions, IP Address, and Clock Rate	210	(3)
Review Questions	213	(5)
Answers to Review Questions	218	(2)
Answers to Written Lab 4	220	(1)
IP Routing	221	(68)
Routing Basics	222	(2)
The IP Routing Process	224	(12)
Testing Your IP Routing Understanding	228	(2)
IP Routing in a Larger Network	230	(6)
Configuring IP Routing in Our Network	236	(9)
Static Routing	236	(5)
Default Routing	241	(4)
Dynamic Routing	245	(1)
Routing Protocol Basics	245	(6)
Administrative Distances	245	(1)
Routing Protocols	246	(1)
Distance-Vector Routing Protocols	247	(2)
Routing Loops	249	(1)
Maximum Hop Count	250	(1)
Split Horizon	250	(1)
Route Poisoning	250	(1)
Holddowns	251	(1)
Routing Information Protocol (RIP)	251	(8)
RIP Timers	252	(1)
Configuring RIP Routing	252	(3)
Verifying the RIP Routing Tables	255	(1)
Holding Down RIP Propagations	256	(1)
RIP Version 2 (RIPv2)	257	(2)
Interior Gateway Routing Protocol (IGRP)	259	(6)
IGRP Timers	259	(1)
Configuring IGRP Routing	260	(2)
Verifying the IGRP Routing Tables	262	(2)
Troubleshooting IGRP	264	(1)
Using Both RIP and IGRP	264	(1)
Verifying Your Configurations	265	(8)
The show protocols Command	266	(1)
The show ip protocols Command	266	(3)
The debug ip rip Command	269	(2)
The debug ip igrp Command	271	(2)
Summary	273	(1)
Exam Essentials	273	(1)
Written Lab 5	274	(1)
Hands-on Labs	275	(5)
Hands-on Lab 5.1: Creating Static Routes	276	(1)
Hands-on Lab 5.2: Dynamic Routing with RIP	277	(1)
Hands-on Lab 5.3: Dynamic Routing with IGRP	278	(2)
Review Questions	280	(6)
Answers to Review Questions	286	(2)
Answers to Written Lab 5	288	(1)
Enhanced IGRP (EIGRP) and Open Shortest Path First (OSPF)	289	(54)
EIGRP Features and Operation	290	(4)
Protocol-Dependent Modules	291	(1)
Neighbor Discovery	291	(2)
Reliable Transport Protocol (RTP)	293	(1)
Diffusing Update Algorithm (DUAL)	293	(1)
Using EIGRP to Support Large Networks	294	(4)
Multiple ASes	294	(1)
VLSM Support and Summarization	295	(1)
Route Discovery and Maintenance	296	(2)
Configuring EIGRP	298	(2)
Lab_A	300	(1)
Lab_B	301	(1)
Lab_C	301	(2)
Configuring Discontiguous Networks	302	(1)
Verifying EIGRP	303	(2)
Open Shortest Path First (OSPF) Basics	305	(6)
OSPF Terminology	308	(2)
SPF Tree Calculation	310	(1)
Configuring OSPF	311	(3)
Enabling OSPF	311	(1)
Configuring OSPF Areas	312	(2)
Verifying OSPF Configuration	314	(5)
The show ip ospf Command	315	(1)
The show ip ospf database Command	316	(1)
The show ip ospf interface Command	317	(1)
The show ip ospf neighbor Command	318	(1)
The show ip protocols Command	318	(1)
OSPF and Loopback Interfaces	319	(3)
Configuring Loopback Interfaces	319	(2)
Verifying Loopbacks and RIDs	321	(1)
Troubleshooting OSPF	322	(3)
Configuring EIGRP and OSPF Summary Routes	325	(2)
Summary	327	(1)
Exam Essentials	328	(1)
Written Lab 6	329	(1)
Hands-on Labs	330	(5)
Hands-on Lab 6.1: Configuring and Verifying EIGRP	331	(1)
Hands-on Lab 6.2: Enabling the OSPF Process	332	(1)
Hands-on Lab 6.3: Configuring OSPF Neighbors	333	(1)
Hands-on Lab 6.4: Verifying OSPF Operation	334	(1)
Review Questions	335	(5)
Answers to Review Questions	340	(2)
Answers to Written Lab 6	342	(1)
Layer 2 Switching	343	(40)
Before Layer 2 Switching	344	(3)
Switching Services	347	(6)
Limitations of Layer 2 Switching	348	(1)
Bridging vs. LAN Switching	349	(1)
Three Switch Functions at Layer 2	349	(4)
Spanning Tree Protocol (STP)	353	(7)
Spanning Tree Terms	354	(1)
Spanning Tree Operations	355	(3)
Spanning Tree Example	358	(2)
LAN Switch Types	360	(2)
Cut-Through (Real Time)	361	(1)
FragmentFree (Modified Cut-Through)	361	(1)
Store-and-Forward	362	(1)
Configuring the Catalyst 1900 and 2950 Switches	362	(8)
1900 and 2950 Switch Startup	363	(1)
Setting the Passwords	364	(2)
Setting the Hostname	366	(1)
Setting IP Information	367	(1)
Configuring Interface Descriptions	368	(1)
Setting Port Security on a Catalyst Switch	369	(1)
Erasing the Switch Configuration	369	(1)
Summary	370	(1)
Exam Essentials	370	(1)
Written Lab 7	371	(1)
Hands-on Labs	372	(4)
Hands-on Lab 7.1: Switch Basic Administrative Configurations	372	(3)
Hands-on Lab 7.2: Verifying the Switch Configurations	375	(1)
Review Questions	376	(4)
Answers to Review Questions	380	(2)
Answers to Written Lab 7	382	(1)
Virtual LANs (VLANs)	383	(48)
VLAN Basics	384	(5)
Broadcast Control	386	(1)
Security	386	(1)
Flexibility and Scalability	387	(2)
VLAN Memberships	389	(1)
Static VLANs	390	(1)
Dynamic VLANs	390	(1)
Identifying VLANs	390	(3)
Frame Tagging	392	(1)
VLAN Identification Methods	392	(1)
Inter-Switch Link (ISL) Protocol	393	(1)
VLAN Trunking Protocol (VTP)	393	(3)
VTP Modes of Operation	394	(2)
VTP Pruning	396	(1)
Routing between VLANs	396	(1)
Configuring VLANs	397	(12)
Assigning Switch Ports to VLANs	399	(2)
Configuring Trunk Ports	401	(2)
Configuring Inter-VLAN Routing	403	(6)
Configuring VTP	409	(4)
Troubleshooting VTP	411	(2)
Configuring Switching in Our Sample Internetwork	413	(7)
Summary	420	(1)
Exam Essentials	420	(1)
Written Lab 8	421	(1)
Review Questions	422	(6)
Answers to Review Questions	428	(2)
Answers to Written Lab 8	430	(1)
Managing a Cisco Internetwork	431	(52)
The Internal Components of a Cisco Router	432	(1)
The Router Boot Sequence	433	(1)
Managing Configuration Registers	434	(6)
Understanding the Configuration Register Bits	434	(2)
Checking the Current Configuration Register Value	436	(1)
Changing the Configuration Register	436	(1)
Recovering Passwords	437	(3)
Backing Up and Restoring the Cisco IOS	440	(6)
Verifying Flash Memory	441	(1)
Backing Up the Cisco IOS	442	(1)
Restoring or Upgrading the Cisco Router IOS	443	(3)
Backing Up and Restoring the Cisco Configuration	446	(3)
Backing Up the Cisco Router Configuration	446	(2)
Restoring the Cisco Router Configuration	448	(1)
Erasing the Configuration	449	(1)
Using Cisco Discovery Protocol (CDP)	449	(6)
Getting CDP Timers and Holdtime Information	450	(1)
Gathering Neighbor Information	450	(3)
Gathering Interface Traffic Information	453	(1)
Gathering Port and Interface Information	453	(2)
Using Telnet	455	(6)
Telnetting into Multiple Devices Simultaneously	457	(2)
Checking Telnet Connections	459	(1)
Checking Telnet Users	459	(1)
Closing Telnet Sessions	459	(2)
Resolving Hostnames	461	(5)
Building a Host Table	461	(2)
Using DNS to Resolve Names	463	(3)
Checking Network Connectivity	466	(1)
Using the ping Command	466	(1)
Using the traceroute Command	467	(1)
Summary	467	(1)
Exam Essentials	468	(1)
Written Lab 9	469	(1)
Hands-on Labs	470	(5)
Hands-on Lab 9.1: Backing Up Your Router IOS	470	(1)
Hands-on Lab 9.2: Upgrading or Restoring Your Router IOS	470	(1)
Hands-on Lab 9.3: Backing Up the Router Configuration	471	(1)
Hands-on Lab 9.4: Using the Cisco Discovery Protocol (CDP)	471	(1)
Hands-on Lab 9.5: Using Telnet	472	(1)
Hands-on Lab 9.6: Resolving Hostnames	473	(2)
Review Questions	475	(4)
Answers to Review Questions	479	(2)
Answers to Written Lab 9	481	(2)
Managing Traffic with Access Lists	483	(36)
Introduction to Access Lists	484	(3)
Standard Access Lists	487	(7)
Wildcard Masking	488	(2)
Standard Access List Example	490	(3)
Controlling VTY (Telnet) Access	493	(1)
Extended Access Lists	494	(6)
Extended Access List Example 1	498	(1)
Extended Access List Example 2	499	(1)
Named Access Lists	500	(2)
Monitoring Access Lists	502	(2)
Summary	504	(1)
Exam Essentials	504	(1)
Written Lab 10	505	(1)
Hands-on Labs	506	(4)
Hands-on Lab 10.1: Standard IP Access Lists	506	(1)
Hands-on Lab 10.2: Extended IP Access Lists	507	(3)
Review Questions	510	(5)
Answers to Review Questions	515	(2)
Answers to Written Lab 10	517	(2)
Wide Area Networking Protocols	519	(70)
Introduction to Wide Area Networks	520	(4)
Defining WAN Terms	520	(1)
WAN Connection Types	521	(1)
WAN Support	522	(2)
Cabling the Wide Area Network	524	(3)
Serial Transmission	525	(1)
Data Terminal Equipment and Data Communication Equipment	525	(1)
Fixed and Modular Interfaces	526	(1)
High-Level Data-Link Control (HDLC) Protocol	527	(1)
Point-to-Point Protocol (PPP)	528	(8)
Link Control Protocol (LCP) Configuration Options	529	(1)
PPP Session Establishment	529	(1)
PPP Authentication Methods	530	(1)
Configuring PPP on Cisco Routers	531	(1)
Configuring PPP Authentication	531	(1)
Verifying PPP Encapsulation	532	(4)
Frame Relay	536	(18)
Introduction to Frame Relay Technology	537	(10)
Frame Relay Implementation and Monitoring	547	(7)
Integrated Services Digital Network (ISDN)	554	(7)
ISDN Connections	555	(1)
ISDN Components	556	(3)
Basic Rate Interface (BRI)	559	(1)
Primary Rate Interface (PRI)	560	(1)
ISDN with Cisco Routers	560	(1)
Dial-on-Demand Routing (DDR)	561	(7)
Configuring DDR	562	(4)
Optional Commands	566	(1)
DDR with Access Lists	566	(1)
Verifying the ISDN Operation	567	(1)
Summary	568	(1)
Exam Essentials	568	(1)
Written Lab 11	569	(2)
Hands-on Labs	571	(7)
Hands-on Lab 11.1: Configuring PPP Encapsulation and Authentication	571	(1)
Hands-on Lab 11.2: Configuring and Monitoring HDLC	572	(1)
Hands-on Lab 11.3: Configuring Frame Relay and Subinterfaces	573	(2)
Hands-on Lab 11.4: Configuring ISDN and BRI Interfaces	575	(3)
Review Questions	578	(7)
Answers to Review Questions	585	(2)
Answers to Written Lab 11	587	(2)
Appendix A Commands in This Study Guide	589	(12)
Glossary	601	(60)
Index	661