CCNA^TM: Cisco^«áCeritifed Network Associate Study Guide (Exam 640-801), Deluxe Edition

by Todd Lammle

• ISBN13: 9780782143140
• ISBN10: 0782143148
• Edition: 3rd
• Format: Hardcover
• Copyright: 2004-01-01
• 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 provides: * In-depth coverage of every exam objective * Practical information on essential network configuration tasks * Expert insight into real-world implementation of Cisco internetworking technologies * 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 Provides authoritative coverage of all exam objectives, including: * Network planning & designing * Implementation & operation * LAN and WAN troubleshooting * Communications technology

Table of Contents

Introduction	xxi
Assessment Test	xxxv
Chapter 1 Internetworking	1	(54)
Internetworking Basics	3	(3)
Internetworking Models	6	(1)
The Layered Approach	6	(1)
Advantages of Reference Models	7	(1)
The OSI Reference Model	7	(15)
The Application Layer	10	(1)
The Presentation Layer	11	(1)
The Session Layer	11	(1)
The Transport Layer	12	(4)
The Network Layer	16	(3)
The Data Link Layer	19	(2)
The Physical Layer	21	(1)
Ethernet Networking	22	(9)
Half- and Full-Duplex Ethernet	23	(1)
Ethernet at the Data Link Layer	24	(5)
Ethernet at the Physical Layer	29	(2)
Ethernet Cabling	31	(3)
Straight-Through Cable	32	(1)
Crossover Cable	32	(1)
Rolled Cable	33	(1)
Wireless Networking	34	(2)
Data Encapsulation	36	(2)
The Cisco Three-Layer Hierarchical Model	38	(3)
The Core Layer	39	(1)
The Distribution Layer	40	(1)
The Access Layer	41	(1)
Summary	41	(1)
Exam Essentials	42	(1)
Key Terms	43	(1)
Written Lab 1	44	(3)
Written Lab 1.1: OSI Questions	44	(1)
Written Lab 1.2: Defining the OSI Layers and Devices	45	(1)
Written Lab 1.3: Identifying Collision and Broadcast Domains	46	(1)
Review Questions	47	(4)
Answers to Review Questions	51	(2)
Answers to Written Lab 1	53	(2)
Answers to Written Lab 1.1	53	(1)
Answers to Written Lab 1.2	54	(1)
Answers to Written Lab 1.3	54	(1)
Chapter 2 Internet Protocols	55	(46)
TCP/IP and the DoD Model	56	(22)
The Process/Application Layer Protocols	58	(4)
The Host-to-Host Layer Protocols	62	(8)
The Internet Layer Protocols	70	(8)
Binary to Decimal and Hexadecimal Conversion	78	(4)
IP Addressing	82	(7)
IP Terminology	82	(1)
The Hierarchical IP Addressing Scheme	82	(5)
Private IP Addresses	87	(2)
Broadcast Addresses	89	(1)
Introduction to Network Address Translation (NAT)	90	(1)
Summary	91	(1)
Exam Essentials	91	(1)
Key Terms	92	(1)
Written Lab 2	93	(1)
Review Questions	94	(4)
Answers to Review Questions	98	(2)
Answers to Written Lab 2	100	(1)
Chapter 3 IP Subnetting and Variable Length Subnet Masks (VLSM)	101	(44)
Subnetting Basics	102	(4)
How to Create Subnets	103	(1)
Subnet Masks	104	(1)
Classless Inter-Domain Routing (CIDR)	104	(2)
Subnetting Class C Addresses	106	(17)
The Binary Method: Subnetting a Class C Address	107	(1)
The Fast Way: Subnetting a Class C Address	108	(6)
Subnetting Class B Addresses	114	(6)
Subnetting Class A Addresses	120	(3)
Variable Length Subnet Masks (VLSMs)	123	(9)
VLSM Design	124	(2)
Implementing VLSM Networks	126	(6)
Troubleshooting IP Addressing	132	(3)
Determining IP Address Problems	132	(3)
Summary	135	(1)
Exam Essentials	135	(1)
Key Terms	136	(1)
Written Lab 3	136	(1)
Review Questions	137	(5)
Answers to Review Questions	142	(2)
Answers to Written Lab 3	144	(1)
Chapter 4 Introduction to the Cisco IOS	145	(60)
The Cisco Router User Interface	146	(8)
Cisco Router IOS	147	(1)
Connecting to a Cisco Router	147	(1)
Bringing Up a Router	148	(2)
Setup Mode	150	(4)
Command-Line Interface	154	(32)
Logging into the Router	155	(1)
Overview of Router Modes	156	(1)
CLI Prompts	157	(2)
Editing and Help Features	159	(5)
Gathering Basic Routing Information	164	(1)
Setting Passwords	165	(4)
Encrypting Your Passwords	169	(1)
Banners	170	(2)
Router Interfaces	172	(4)
Hostnames	176	(1)
Descriptions	177	(1)
Viewing and Saving Configurations	178	(2)
Verifying Your Configuration	180	(6)
Summary	186	(1)
Exam Essentials	187	(1)
Key Terms	188	(1)
Commands Used in This Chapter	189	(3)
Written Lab 4	192	(1)
Hands-on Labs	192	(7)
Hands-on Lab 4.1: Logging into a Router	192	(1)
Hands-on Lab 4.2: Using the Help and Editing Features	193	(1)
Hands-on Lab 4.3: Saving a Router Configuration	194	(1)
Hands-on Lab 4.4: Setting Your Passwords	195	(2)
Hands-on Lab 4.5: Setting the Hostname, Descriptions, IP Address, and Clock Rate	197	(2)
Review Questions	199	(4)
Answers to Review Questions	203	(1)
Answers to Written Lab	204	(1)
Chapter 5 IP Routing	205	(60)
Routing Basics	206	(1)
The IP Routing Process	207	(10)
IP Routing in a Larger Network	211	(6)
Configuring IP Routing in Our Network	217	(7)
Static Routing	217	(5)
Default Routing	222	(1)
Dynamic Routing	223	(1)
Routing Protocol Basics	224	(6)
Administrative Distances	224	(1)
Routing Protocols	225	(1)
Distance-Vector Routing Protocols	226	(1)
Routing Loops	227	(1)
Maximum Hop Count	228	(1)
Split Horizon	229	(1)
Route Poisoning	229	(1)
Holddowns	229	(1)
Routing Information Protocol (RIP)	230	(6)
RIP Timers	230	(1)
Configuring RIP Routing	231	(2)
Verifying the RIP Routing Tables	233	(2)
Holding Down RIP Propagations	235	(1)
Interior Gateway Routing Protocol (IGRP)	236	(4)
IGRP Timers	236	(1)
Configuring IGRP Routing	237	(2)
Verifying the IGRP Routing Tables	239	(1)
Verifying Your Configurations	240	(6)
The show protocols Command	241	(1)
The show ip protocols Command	241	(2)
The debug ip rip Command	243	(1)
The debug ip igrp Command	244	(2)
Summary	246	(1)
Exam Essentials	246	(1)
Key Terms	247	(1)
Commands Used in This Chapter	247	(1)
Written Lab 5	248	(1)
Hands-on Labs	249	(5)
Hands-on Lab 5.1: Creating Static Routes	250	(1)
Hands-on Lab 5.2: Dynamic Routing with RIP	251	(1)
Hands-on Lab 5.3: Dynamic Routing with IGRP	252	(2)
Review Questions	254	(7)
Answers to Review Questions	261	(2)
Answers to Written Lab 5	263	(2)
Chapter 6 Enhanced IGRP (EIGRP) and Open Shortest Path First (OSPF)	265	(46)
EIGRP Features and Operation	266	(3)
Protocol-Dependent Modules	267	(1)
Neighbor Discovery	267	(1)
Reliable Transport Protocol (RTP)	268	(1)
Diffusing Update Algorithm (DUAL)	269	(1)
Using EIGRP to Support Large Networks	269	(3)
Multiple AS	269	(1)
VLSM Support and Summarization	270	(1)
Route Discovery and Maintenance	271	(1)
Configuring EIGRP	272	(2)
Lab_A	274	(1)
Lab_B	275	(1)
Lab_C	275	(2)
Verifying EIGRP	277	(2)
Open Shortest Path First (OSPF) Basics	279	(5)
OSPF Terminology	281	(2)
SPF Tree Calculation	283	(1)
Configuring OSPF	284	(3)
Enabling OSPF	284	(1)
Configuring OSPF Areas	285	(2)
Verifying OSPF Configuration	287	(5)
The show ip ospf Command	288	(1)
The show ip ospf database Command	289	(1)
The show ip ospf interface Command	290	(1)
The show ip ospf neighbor Command	291	(1)
The show ip protocols Command	291	(1)
OSPF and Loopback Interfaces	292	(2)
Configuring Loopback Interfaces	292	(1)
Verifying Loopbacks and RIDS	293	(1)
Summary	294	(1)
Exam Essentials	295	(1)
Key Terms	296	(1)
Commands Used in This Chapter	297	(1)
Written Lab 6	298	(1)
Hands-On Labs	298	(5)
Lab 6.1: Configuring and Verifying EIGRP	299	(2)
Lab 6.2: Enabling the OSPF Process	301	(1)
Lab 6.3: Configuring OSPF Neighbors	301	(1)
Lab 6.4: Verifying OSPF Operation	302	(1)
Review Questions	303	(4)
Answers to Review Questions	307	(2)
Answers to Written Lab 6	309	(2)
Chapter 7 Layer 2 Switching	311	(38)
Before Layer 2 Switching	312	(3)
Switching Services	315	(6)
Limitations of Layer 2 Switching	316	(1)
Bridging vs. LAN Switching	317	(1)
Three Switch Functions at Layer 2	317	(4)
Spanning Tree Protocol (STP)	321	(6)
Spanning Tree Terms	321	(1)
Spanning Tree Operations	322	(2)
Spanning Tree Example	324	(3)
LAN Switch Types	327	(1)
Cut-Through (Real Time)	327	(1)
FragmentFree (Modified Cut-Through)	328	(1)
Store-and-Forward	328	(1)
Configuring the Catalyst 1900 and 2950 Switches	328	(8)
1900 and 2950 Switch Startup	329	(1)
Setting the Passwords	330	(2)
Setting the Hostname	332	(1)
Setting IP Information	333	(1)
Configuring Interface Descriptions	334	(1)
Erasing the Switch Configuration	335	(1)
Summary	336	(1)
Exam Essentials	336	(1)
Key Terms	337	(1)
Commands Used in This Chapter	337	(1)
Written Lab 7	338	(1)
Hands-on Labs	339	(4)
Hands-on Lab 7.1: Switch Basic Administrative Configurations	339	(3)
Hands-on Lab 7.2: Verifying the Switch Configurations	342	(1)
Review Questions	343	(4)
Answers to Review Questions	347	(1)
Answers to Written Lab 7	348	(1)
Chapter 8 Virtual LANs (VLANs)	349	(42)
VLAN Basics	350	(5)
Broadcast Control	352	(1)
Security	352	(1)
Flexibility and Scalability	353	(2)
VLAN Memberships	355	(1)
Static VLANs	356	(1)
Dynamic VLANs	356	(1)
Identifying VLANs	356	(3)
Frame Tagging	358	(1)
VLAN Identification Methods	358	(1)
Inter-Switch Link (ISL) Protocol	359	(1)
VLAN Trunking Protocol (VTP)	359	(3)
VTP Modes of Operation	360	(2)
VTP Pruning	362	(1)
Routing between VLANs	362	(1)
Configuring VLANs	363	(7)
Assigning Switch Ports to VLANs	366	(1)
Configuring Trunk Ports	367	(2)
Configuring Inter-VLAN Routing	369	(1)
Configuring VTP	370	(2)
Configuring Switching in Our Sample Internetwork	372	(7)
Summary	379	(1)
Exam Essentials	379	(1)
Key Terms	380	(1)
Commands Used in This Chapter	380	(1)
Written Lab 8	381	(2)
Review Questions	383	(4)
Answers to Review Questions	387	(2)
Answers to Written Lab 8	389	(2)
Chapter 9 Managing a Cisco Internetwork	391	(52)
The Internal Components of a Cisco Router	392	(1)
The Router Boot Sequence	393	(1)
Managing Configuration Registers	394	(6)
Understanding the Configuration Register Bits	394	(2)
Checking the Current Configuration Register Value	396	(1)
Changing the Configuration Register	396	(1)
Recovering Passwords	397	(3)
Backing Up and Restoring the Cisco IOS	400	(5)
Verifying Flash Memory	400	(1)
Backing Up the Cisco IOS	401	(1)
Restoring or Upgrading the Cisco Router IOS	402	(3)
Backing Up and Restoring the Cisco Configuration	405	(3)
Backing Up the Cisco Router Configuration	405	(2)
Restoring the Cisco Router Configuration	407	(1)
Erasing the Configuration	408	(1)
Using Cisco Discovery Protocol (CDP)	408	(6)
Getting CDP Timers and Holdtime Information	409	(1)
Gathering Neighbor Information	410	(2)
Gathering Interface Traffic Information	412	(1)
Gathering Port and Interface Information	412	(2)
Using Telnet	414	(5)
Telnetting into Multiple Devices Simultaneously	416	(1)
Checking Telnet Connections	417	(1)
Checking Telnet Users	418	(1)
Closing Telnet Sessions	418	(1)
Resolving Hostnames	419	(5)
Building a Host Table	420	(2)
Using DNS to Resolve Names	422	(2)
Checking Network Connectivity	424	(2)
Using the ping Command	424	(1)
Using the traceroute Command	425	(1)
Summary	426	(1)
Exam Essentials	427	(1)
Key Terms	428	(1)
Commands Used in This Chapter	428	(2)
Written Lab 9	430	(1)
Hands-on Labs	431	(5)
Hands-on Lab 9.1: Backing Up Your Router IOS	431	(1)
Hands-on Lab 9.2: Upgrading or Restoring Your Router IOS	431	(1)
Hands-on Lab 9.3: Backing Up the Router Configuration	432	(1)
Hands-on Lab 9.4: Using the Cisco Discovery Protocol (CDP)	432	(1)
Hands-on Lab 9.5: Using Telnet	433	(1)
Hands-on Lab 9.6: Resolving Hostnames	434	(2)
Review Questions	436	(4)
Answers to Review Questions	440	(2)
Answers to Written Lab 9	442	(1)
Chapter 10 Managing Traffic with Access Lists	443	(34)
Introduction to Access Lists	444	(3)
Standard Access Lists	447	(5)
Wildcard Masking	448	(2)
Standard Access List Example	450	(1)
Controlling VTY (Telnet) Access	451	(1)
Extended Access Lists	452	(5)
Extended Access List Example	457	(1)
Named Access Lists	457	(2)
Monitoring Access Lists	459	(2)
Summary	461	(1)
Exam Essentials	462	(1)
Key Terms	462	(1)
Commands Used in This Chapter	463	(1)
Written Lab 10	463	(1)
Hands-on Labs	464	(4)
Hands-on Lab 10.1: Standard IP Access Lists	464	(1)
Hands-on Lab 10.2: Extended IP Access Lists	465	(3)
Review Questions	468	(5)
Answers to Review Questions	473	(2)
Answers to Written Lab 10	475	(2)
Chapter 11 Wide Area Networking Protocols	477	(60)
Introduction to Wide Area Networks	478	(4)
Defining WAN Terms	478	(1)
WAN Connection Types	479	(1)
WAN Support	480	(2)
Cabling the Wide Area Network	482	(1)
Serial Transmission	482	(1)
Data Terminal Equipment and Data Communication Equipment	482	(1)
Fixed and Modular Interfaces	483	(1)
High-Level Data-Link Control (HDLG) Protocol	483	(1)
Point-to-Point Protocol (PPP)	484	(5)
Link Control Protocol (LCP) Configuration Options	485	(1)
PPP Session Establishment	486	(1)
PPP Authentication Methods	486	(1)
Configuring PPP on Cisco Routers	487	(1)
Configuring PPP Authentication	487	(1)
Verifying PPP Encapsulation	488	(1)
Frame Relay	489	(14)
Introduction to Frame Relay Technology	489	(8)
Frame Relay Implementation and Monitoring	497	(6)
Integrated Services Digital Network (ISDN)	503	(7)
ISDN Connections	504	(1)
ISDN Components	504	(4)
Basic Rate Interface (BRI)	508	(1)
Primary Rate Interface (PRI)	508	(1)
ISDN with Cisco Routers	508	(2)
Dial-on-Demand Routing (DDR)	510	(6)
Configuring DDR	511	(3)
Optional Commands	514	(1)
DDR with Access Lists	515	(1)
Verifying the ISDN Operation	515	(1)
Summary	516	(1)
Exam Essentials	517	(1)
Key Terms	518	(1)
Commands Used in This Chapter	519	(2)
Written Lab 11	521	(1)
Hands-on Labs	521	(8)
Hands-on Lab 11.1: Configuring PPP Encapsulation and Authentication	522	(1)
Hands-on Lab 11.2: Configuring and Monitoring HDLG	523	(1)
Hands-on Lab 11.3: Configuring Frame Relay and Subinterfaces	524	(1)
Hands-on Lab 11.4: Configuring ISDN and BRI Interfaces	525	(4)
Review Questions	529	(4)
Answers to Review Questions	533	(2)
Answers to Written Lab 11	535	(2)
Appendix A Commands in This Study Guide	537	(12)
Glossary	549	(60)
Index	609