CCNP CIT Exam Cram 2 (Exam Cram 642-831)

by Odom, Sean

• ISBN13: 9780789730213
• ISBN10: 0789730219
• Edition: CD
• Format: Paperback w/CD
• Copyright: 2003-01-01
• Publisher: Que

Summary

& bull; Demand for Cisco certification has increased 30% in the last year, according to certification insiders & lt;br/ & gt; & bull; Updated to the latest exam objectives due to release summer 2003 & lt;br/ & gt; & bull; Ciscos CCNP is a growing certification area currently with several hundred thousand certified professionals & lt;br/ & gt; & bull; Features The Cram Sheet for that last minute review

Table of Contents

Introduction	p. xxv
Self-Assessment	p. xxvii
Overview of Cisco Certification	p. 1
The Exam Situation	p. 2
Exam Layout and Design	p. 4
Exam-Taking Techniques	p. 6
Question-Handling Strategies	p. 7
Mastering the Inner Game	p. 8
Additional Resources	p. 9
Networking Principles	p. 11
Network Models	p. 12
OSI Reference Model	p. 12
The Application Layer	p. 14
The Presentation Layer	p. 14
The Session Layer	p. 15
The Transport Layer	p. 15
The Network Layer	p. 16
The Data Link Layer	p. 17
The Physical Layer	p. 18
Internetwork Troubleshooting Model	p. 18
Define the Problem	p. 20
Gather the Facts	p. 20
Review and Evaluate the Possibilities	p. 21
Design a Plan of Action	p. 21
Implement the Action Plan	p. 21
Evaluate and Observe the Solution	p. 21
Document the Solution	p. 22
Cisco Three-Layer Hierarchical Model	p. 22
The Core Layer	p. 23
The Distribution Layer	p. 24
The Access Layer	p. 24
LAN Technologies	p. 31
LAN Topology Types	p. 32
Bus	p. 32
Ring	p. 33
Star	p. 34
Ethernet	p. 34
Collision and Broadcast Domains	p. 35
Ethernet Elements	p. 36
CSMA/CD (Carrier Sense Multiple Access with Collision Detection) Protocol	p. 38
Fast Ethernet	p. 38
Duplexing	p. 40
Gigabit Ethernet	p. 40
Unicast, Broadcasts, and Multicast	p. 41
ATM (Asynchronous Transfer Mode)	p. 42
Token Ring	p. 43
Frame Format of Token Ring	p. 44
Active Monitor	p. 45
Wireless	p. 46
802.11a and 802.11b	p. 46
IEEE 802.11g	p. 47
Segmentation	p. 47
Segmenting a Network with Bridges	p. 47
Segmentation Using LAN Switches	p. 48
Segmenting with a Router	p. 48
Troubleshooting TCP/IP	p. 55
TCP/IP Overview	p. 56
DoD Model	p. 57
TCP Versus UDP	p. 58
TCP Port Numbers	p. 58
Troubleshooting and Configuring Address Resolution Protocol (ARP)	p. 59
IP Addressing and Subnetting	p. 62
Subnetting IP	p. 63
Subnet Masks	p. 64
Subnetting Class C Network Addresses	p. 64
The Magic Number	p. 65
Class B Subnetting	p. 65
Configuring IP Addresses on Interfaces	p. 67
DNS (Domain Name System)	p. 68
Configuring a Router with DNS Servers	p. 68
DNS Caching and Default Gateways	p. 69
Internet Control Message Protocol (ICMP)	p. 70
ping and trace Commands	p. 71
The Default Route	p. 74
Show Commands for Troubleshooting TCP/IP	p. 75
show ip access-list Command	p. 76
show ip arp Command	p. 76
show controllers Command	p. 76
show ip interface Command	p. 77
show ip protocols	p. 78
show ip route Command	p. 79
show ip traffic Command	p. 80
IP debug Commands	p. 81
Configuring DHCP and the IP Helper Command	p. 83
IP Helper Addresses	p. 85
Windows Troubleshooting	p. 93
ipconfig Command	p. 94
winipcfg Command	p. 98
ping Command	p. 99
The tracert Command	p. 103
pathping Command	p. 105
The nslookup Command	p. 106
The server Command	p. 108
The root Command	p. 108
ls	p. 108
set debug Command	p. 109
The set type Command	p. 110
The nslookup Command	p. 110
The nbtstat Command	p. 112
The arp Command	p. 116
The ftp Command	p. 117
The telnet Command	p. 118
IPX/SPX	p. 125
Protocol Overview	p. 126
IPX	p. 126
IPX Encapsulation	p. 127
SAP and GNS	p. 128
Understanding SAP	p. 129
Troubleshooting SAP	p. 130
Managing IPX and SAP on Virtual Circuits	p. 131
Configuring IPX RIP	p. 132
IPX EIGRP	p. 133
Configuring EIGRP	p. 133
Troubleshooting IPX EIGRP	p. 133
NLSP	p. 135
Enabling NLSP	p. 135
NLSP Troubleshooting Commands	p. 136
IPX Access Lists	p. 138
Controlling SAP Advertisements with Access Lists	p. 139
IPX General Troubleshooting Commands	p. 140
Troubleshooting the Physical Layer	p. 151
Equipment Used to Troubleshoot the Physical Layer	p. 152
Basic Cable Testers	p. 153
Time Domain Reflectors (TDRs)	p. 153
Optical Time Domain Reflectors (OTDRs)	p. 154
Protocol Analyzers	p. 155
Troubleshooting with the show Commands	p. 155
The show interfaces Command	p. 155
The show interfaces ethernet Command	p. 157
The show interfaces tokenring Command	p. 162
The show controllers Command	p. 163
The show ip traffic Command	p. 165
show arp	p. 167
Cisco Discovery Protocol (CDP)	p. 167
The show cdp entry Command	p. 168
The show cdp interface Command	p. 169
The show cdp neighbors Command	p. 169
The show cdp traffic Command	p. 170
Configuring CDP	p. 171
Configuration and Fault Management	p. 172
How Network Monitors Work	p. 173
Simple Network Management Protocol (SNMP)	p. 174
Cisco NMS Software	p. 177
Troubleshooting the Data Link Layer	p. 185
Hardware Troubleshooting	p. 186
Power Failure	p. 186
Power-On Self Test (POST)	p. 187
Switch Indicator Lights	p. 188
Troubleshooting Cables	p. 190
Use the Correct Ethernet Cable	p. 191
Layer 2 Switching Troubleshooting Basics	p. 191
Broadcast and Unicast Forwarding	p. 192
Aggregate Bandwidth	p. 192
Full-Duplex Versus Half-Duplex	p. 193
Supported Media Types	p. 193
Differences Between Bridges and Switches	p. 193
Catalyst Switch Troubleshooting Software	p. 193
CWSI	p. 194
RMON (Remote Monitoring)	p. 195
Lost Password	p. 196
Switch Troubleshooting Commands	p. 197
show cam Command	p. 198
show cdp Command	p. 199
show config Command	p. 200
show flash and show platform Commands	p. 203
show interface Command	p. 204
show log Command	p. 206
show mac Command	p. 207
show module Command	p. 208
show port Command	p. 209
show spantree Command	p. 211
show system Command	p. 214
show test Command	p. 214
show version Command	p. 216
show diagnostics	p. 217
Troubleshooting Virtual LAN	p. 225
VLAN Trunks	p. 226
IEEE 802.10	p. 227
IEEE 802.1Q	p. 227
Inter-Switch Link (ISL)	p. 227
LANE	p. 229
The VLAN Trunk Protocol (VTP)	p. 229
VTP Advertisements	p. 231
Inter-VLAN Routing	p. 232
VLAN Configuration	p. 234
Configuring VLAN Trunks	p. 237
VTP Pruning	p. 240
Assigning a VLAN Membership to a 1900 Series Switch	p. 240
Static and Dynamic VLANs	p. 241
Configuring VLAN and Enabling VTP on the 1900EN Series Switch	p. 242
Configuring Inter-VLAN Routing on an External Router	p. 243
Inter-Switch Link (ISL)	p. 246
IEEE 802.1Q Standard	p. 247
Inter-VLAN Routing Troubleshooting	p. 247
show vtp domain Command	p. 249
Troubleshooting Serial Links	p. 257
Diagnosing Serial Link Symptoms with the show interface Command	p. 258
Interface Is Administratively Down; Line Protocol Is Down	p. 259
Interface Is Down; Line Protocol Is Down	p. 259
Interface Is Up; Line Protocol Is Down	p. 260
Keepalive Sequencing Not Incrementing	p. 260
Interface Is Up; Line Protocol Is Up (Looped)	p. 260
Incrementing Carrier Transition Counter	p. 261
Incrementing Interface Resets	p. 261
Input Drops, CRC, and Framing Errors	p. 261
Troubleshooting Techniques for Serial Link Problems	p. 262
Cable Faults Causing Loss of the Carrier Detect	p. 262
Line Speed Overloads the Router's Capacity	p. 264
CSU/DSU Loopback Testing	p. 264
Serial Link Troubleshooting Commands	p. 267
The clear counters serial Command	p. 267
The debug serial interface Command	p. 268
The show buffers Command	p. 269
The show controllers serial Command	p. 270
The show interface serial Command	p. 273
Troubleshooting Frame Relay	p. 275
Frame Relay Troubleshooting Steps	p. 276
Encapsulation Type Issues	p. 278
DLCI Mismatch	p. 278
Access List Issues	p. 278
Frame Relay Troubleshooting Commands	p. 279
Troubleshooting X.25	p. 283
X.25 and Packet-Layer Protocol (PLP)	p. 284
X.121 Address Format	p. 285
X.25 Troubleshooting Problems	p. 286
X.25 Troubleshooting Commands	p. 288
Troubleshooting Routing Protocols	p. 295
Routing Protocols	p. 296
Link-State Routing Protocols	p. 297
Convergence Time	p. 298
Distance-Vector Routing Protocols	p. 298
Routing Information Protocol(RIP)	p. 300
Troubleshooting RIP	p. 301
Internet Gateway Routing Protocol (IGRP)	p. 302
Troubleshooting IGRP	p. 303
Open Shortest Path First (OSPF)	p. 303
Troubleshooting OSPF	p. 304
IGRP Versus EIGRP	p. 307
Benefits of EIGRP	p. 308
EIGRP Features	p. 308
EIGRP Troubleshooting Commands	p. 309
Border Gateway Protocol (BGP)	p. 311
Intermediate System-to-Intermediate System (IS-IS)	p. 312
Troubleshooting ISDN	p. 321
ISDN Overview	p. 322
Dial-On-Demand Routing	p. 323
Using Dialer Lists to Specify Interesting Traffic	p. 324
Troubleshooting ISDN Misconfigurations	p. 325
Service Profile Identifier	p. 326
Challenge Handshake Authentication Protocol	p. 326
The dialer map Command	p. 328
Access Lists	p. 329
Point-To-Point Protocol (PPP)	p. 330
Troubleshooting Connections at the Physical Layer	p. 331
The Local Loop and Its Connections	p. 332
Terminology for Troubleshooting After the Physical Layer	p. 333
Troubleshooting Misconfigured Provider Switches	p. 334
Troubleshooting the Data Link Layer: q.921 and PPP	p. 335
The q.921 Protocol	p. 335
PPP (Point-to-Point Protocol)	p. 337
Troubleshooting the Network Layer	p. 338
Call Reference Flag Definitions and Message Types	p. 339
Information Elements	p. 339
Call Setup Steps for q.931 Signaling	p. 340
Correct Switch Types	p. 341
ISDN Troubleshooting Commands to Know	p. 342
The clear interface bri Command	p. 342
The debug bri Command	p. 342
The debug dialer Command	p. 343
The show controller bri Command	p. 344
The show dialer Command	p. 345
Practice Exam 1	p. 353
Questions, Questions, Questions	p. 353
Choosing the Correct Answers	p. 354
Tips for Success	p. 355
Answer Key 1	p. 377
Practice Exam 2	p. 389
Answer Key 2	p. 409
Top-Down and Bottom-Up Troubleshooting	p. 421
The Cisco Campus Model	p. 422
Contacting Cisco for Support	p. 425
Contacting the TAC	p. 426
Utilizing the Cisco CCO Site	p. 427
Core Dumps	p. 428
Scenario Questions	p. 431
Bad Subnetting	p. 431
Utilizations	p. 432
Determining the Probable Source	p. 433
Determining the Probable Source II	p. 433
Conclusion	p. 434
What's on the CD-ROM	p. 435
PrepLogic Practice Tests, Preview Edition	p. 435
An Exclusive Electronic Version of the Text	p. 436
Using PrepLogic Practice Exams, Preview Edition Software	p. 437
Exam Simulation	p. 437
Question Quality	p. 438
Interface Design	p. 438
Effective Learning Environment	p. 438
Software Requirements	p. 438
Installing PrepLogic Practice Exams, Preview Edition	p. 439
Removing PrepLogic Practice Exams, Preview Edition from Your Computer	p. 439
Using PrepLogic Practice Exams, Preview Edition	p. 439
Starting a Practice Test Mode Session	p. 440
Starting a Flash Review Mode Session	p. 441
Standard PrepLogic Practice Exams, Preview Edition Options	p. 441
Time Remaining	p. 442
Your Examination Score Report	p. 442
Review Your Exam	p. 442
Get More Exams	p. 442
Contacting PrepLogic	p. 443
Customer Service	p. 443
Product Suggestions and Comments	p. 443
License Agreement	p. 443
Glossary	p. 445
Index	p. 479
Table of Contents provided by Ingram. All Rights Reserved.