CCNP ONT Official Exam Certification Guide

✍ Scribed by Ranjbar, Amir

• Publisher: Cisco Press
• Year: 2007
• Tongue: English
• Leaves: 406
• Category: Library

✦ Synopsis

Master all 642-845 exam topics with the official study guideAssess your knowledge with chapter-opening quizzesReview key concepts with foundation summariesPractice with hundreds of exam questions on the CD-ROMAmir Ranjbar, CCIE(R) No. 8669 CCNP ONT Official Exam Certification Guide is a best of breed Cisco(R) exam study guide that focuses specifically on the objectives for the Optimizing Converged Cisco Networks exam (642-845 ONT). Successfully passing the ONT 642-845 exam certifies that you have the knowledge and skills necessary to optimize and apply effective QoS techniques for converged networks. CCNP ONT Official Exam Certification Guide follows a logical organization of the CCNP(R) ONT exam objectives. Material is presented in a concise manner, focusing on increasing your retention and recall of exam topics. You can organize your exam preparation through the use of the consistent features in these chapters. "Do I Know This Already?" quizzes open each chapter and allow you to decide how much time you need to spend on each section. Exam topic lists and concise Foundation Summary information make referencing easy and give you a quick refresher whenever you need it. Challenging chapter-ending review questions help you assess your knowledge and reinforce key concepts. The companion CD-ROM contains a powerful testing engine that allows you to focus on individual topic areas or take complete, timed exams. The assessment engine also tracks your performance and provides feedback on a topic-by-topic basis, presenting question-by-question remediation to the text. Well regarded for its level of detail, assessment features, and challenging review questions and exercises, this book helps you master the concepts and techniques that can enable you to succeed on the exam the first time. Amir Ranjbar, CCIE(R) No. 8669, is a certified Cisco instructor and an internetworking consultant. He conducts Cisco official courses such as BCMSN, BSCI, ONT, CVOICE, BGP, and MPLS for Global Knowledge, the largest Cisco training partner. Amir has a bachelor's degree in computing and information science and a master's degree in knowledge-based systems from the University of Guelph in Ontario, Canada. The official study guide helps you master all the topics on the CCNP ONT exam, includingImplementing a voice-over-IP (VoIP) networkImplementing QoS on converged networksSpecific IP QoS mechanisms for implementing the DiffServ QoS modelAutoQoSWireless securityBasic wireless managementCompanion CD-ROMThe CD-ROM contains an electronic copy of the book and more than 200 practice questions for the ONT exam, which are all available in study mode, test mode, and flash card format. This volume is part of the Exam Certification Guide Series from Cisco Press(R). Books in this series provide officially developed exam preparation materials that offer assessment, review, and practice to help Cisco Career Certification candidates identify weaknesses, concentrate their study efforts, and enhance their confidence as exam day nears. Category: Cisco CertificationCovers: ONT Exam 642-845

✦ Table of Contents

Cover......Page 1
Contents......Page 11
Foreword......Page 18
Introduction......Page 19
Part I: Voice over IP......Page 26
“Do I Know This Already?” Quiz......Page 28
Introduction to VoIP Networks......Page 33
Digitizing and Packetizing Voice......Page 42
Encapsulating Voice Packets......Page 50
Bandwidth Calculation......Page 57
Implementing VoIP Support in an Enterprise Network......Page 65
Foundation Summary......Page 73
Q&A......Page 75
Part II: Quality of Service......Page 78
“Do I Know This Already?” Quiz......Page 80
Introduction to QoS......Page 85
Identifying and Comparing QoS Models......Page 95
QoS Implementation Methods......Page 99
Foundation Summary......Page 112
Q&A......Page 114
“Do I Know This Already?” Quiz......Page 116
Classification and Marking......Page 120
The DiffServ Model, Differentiated Services Code Point (DSCP), and Per-Hop Behavior (PHB)......Page 123
QoS Service Class......Page 129
Trust Boundaries......Page 131
Network Based Application Recognition (NBAR)......Page 133
Cisco IOS Commands to Configure NBAR......Page 135
Foundation Summary......Page 141
Q&A......Page 143
“Do I Know This Already?” Quiz......Page 146
Introduction to Congestion Management and Queuing......Page 150
First-In-First-Out, Priority Queuing, Round-Robin, and Weighted Round-Robin Queuing......Page 153
Weighted Fair Queuing......Page 155
Class-Based Weighted Fair Queuing......Page 161
Low-Latency Queuing......Page 165
Foundation Summary......Page 169
Q&A......Page 170
“Do I Know This Already?” Quiz......Page 172
Congestion Avoidance......Page 176
Traffic Shaping and Policing......Page 186
Link Efficiency Mechanisms......Page 190
Foundation Summary......Page 195
Q&A......Page 198
“Do I Know This Already?” Quiz......Page 200
Implementing QoS Pre-Classify......Page 203
Deploying End-to-End QoS......Page 208
Foundation Summary......Page 217
Q&A......Page 221
“Do I Know This Already?” Quiz......Page 224
Introducing AutoQoS......Page 228
Implementing and Verifying AutoQoS......Page 230
AutoQoS Shortcomings and Remedies......Page 238
Foundation Summary......Page 245
Q&A......Page 250
Part III: Wireless LAN......Page 252
“Do I Know This Already?” Quiz......Page 254
The Need for Wireless LAN QoS......Page 258
Current Wireless LAN QoS Implementation......Page 262
Configuring Wireless LAN QoS......Page 266
Foundation Summary......Page 270
Q&A......Page 275
“Do I Know This Already?” Quiz......Page 278
Overview of WLAN Security......Page 281
802.1x and EAP Authentication Protocols......Page 283
Configuring Encryption and Authentication on Lightweight Access Points......Page 295
Foundation Summary......Page 304
Q&A......Page 308
“Do I Know This Already?” Quiz......Page 310
The Need for WLAN Management......Page 314
CiscoWorks Wireless LAN Solution Engine......Page 318
Cisco Wireless Control System......Page 322
Foundation Summary......Page 337
Q&A......Page 340
Part IV: Appendix......Page 342
Appendix A: Answers to the “Do I Know This Already?” Quizzes and Q&A Sections......Page 344
A......Page 377
C......Page 379
D......Page 382
E......Page 383
H......Page 384
I......Page 385
L......Page 386
M......Page 387
O......Page 388
P......Page 389
Q......Page 390
R......Page 391
S......Page 392
T......Page 393
V......Page 394
W......Page 395
X......Page 396