Cisco QOS Exam Certification Guide, 2/e (Hardcover)
Wendell Odom, Michael J. Cavanaugh
- 出版商: Cisco Press
- 出版日期: 2004-11-28
- 售價: $2,910
- 貴賓價: 9.5 折 $2,765
- 語言: 英文
- 頁數: 768
- 裝訂: Hardcover
- ISBN: 1587201240
- ISBN-13: 9781587201240
-
相關分類:
Cisco
海外代購書籍(需單獨結帳)
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商品描述
Description:
Official self-study test preparation guide for the Cisco QOS 642-642 exam
- >QoS concepts, tools, and architectures
- Modular QoS CLI (MQC), QoS Policy Manager (QPM), and AutoQoS
- Classification and marking
- Congestion management
- Traffic shaping and policing
- Congestion avoidance through drop policies
- Compression tools and link fragmentation and interleaving (LFI) tools for link efficiency
- LAN QoS
- QoS best practices
The Cisco IP Telephony focused certification tracks validate proficiency in designing, installing, and supporting a multiservice network solution. A solid understanding of quality-of-service (QoS) features and implementation is essential for all of the Cisco IP Telephony focused certifications and is also a core component of the CCIP certification.
Cisco QOS Exam Certification Guide, Second Edition, is a best-of-breed Cisco exam study guide that focuses specifically on the objectives for the QOS 642-642 exam. Senior instructor and best-selling author Wendell Odom and senior AVVID consultant Michael Cavanaugh share preparation hints and test-taking tips, helping you identify areas of weakness and improve your QoS knowledge. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.
Cisco QOS Exam Certification Guide, Second Edition, presents you with an organized test preparation routine through the use of proven series elements and techniques. "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 Foundation Summary tables, figures, and snapshot 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 module-by-module 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 will enable you to succeed on the exam the first time.
Cisco QOS Exam Certification Guide, Second Edition, is part of a recommended learning path from Cisco Systems that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. To find out more about instructor-led training, e-learning, and hands-on instruction offered by authorized Cisco Learning Partners worldwide, please visit www.cisco.com/go/authorizedtraining.
Companion CD-ROM
The companion CD-ROM contains a test bank with more than 300 practice questions and an electronic version of the text. CD-ROM test engine powered by www.boson.com. Boson Software is a Cisco Learning Partner.This volume is part of the Exam Certification Guide Series from Cisco Press. 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.
Table of Contents:
Introduction.
1. QoS Overview.
"Do I Know This Already?" Quiz.
QoS: Tuning Bandwidth, Delay, Jitter, and Loss Questions.
Traffic Characteristics of Voice, Video, and Data Questions.
Planning and Implementing QoS Policies.
Foundation Topics.
QoS: Tuning Bandwidth, Delay, Jitter, and Loss.
Bandwidth.
Delay.
Jitter.
Loss.
Summary: QoS Characteristics: Bandwidth, Delay, Jitter, and Loss.
Traffic Characteristics of Voice, Video, and Data.
Voice Traffic Characteristics.
Video Traffic Characteristics.
Data Traffic Characteristics.
Planning and Implementing QoS Policies.
Step 1: Identify Traffic and Its Requirements.
Step 2: Divide Traffic into Classes.
Step 3: Define Policies for Each Traffic Class.
Foundation Summary.
Q&A.
2. QoS Tools and Architectures.
"Do I Know This Already?" Quiz.
QoS Tools Questions.
Classifying Using Flows or Service Classes Questions.
The Differentiated Services QoS Model Questions.
The Integrated Services QoS Model Questions.
Foundation Topics.
Introduction to IOS QoS Tools.
Classification and Marking.
Queuing.
Shaping and Policing.
Congestion Avoidance.
Link Efficiency.
Call Admission Control.
Classifying Using Flows or Service Classes.
Flow-Based QoS.
Class-Based QoS.
Proper Planning and Marking for Enterprises and Service Providers.
The Differentiated Services QoS Model.
DiffServ Specifications and Terminology.
DiffServ Per-Hop Behaviors.
The Integrated Services QoS Model.
Comparison of the Three QoS Models.
Foundation Summary.
Q&A.
3. MQC, QPM, and AutoQoS.
"Do I Know This Already?" Quiz Questions.
Cisco Modular QoS CLI.
The Cisco QoS Policy Manager.
The Cisco AutoQoS Feature.
Comparisons of CLI, MQC, and AutoQoS.
Foundation Topics.
Cisco Modular QoS CLI.
The Mechanics of MQC.
Classification Using Class Maps.
Performing QoS Actions (PHBs) Using policy-map Commands.
Enabling a Policy Map Using service-policy.
Show Commands for MQC.
QoS Policy Manager (QPM).
SNMP Support for QoS.
Cisco AutoQoS Feature.
AutoQoS VoIP for Routers.
AutoQoS VoIP for Cisco IOS Switches.
AutoQoS VoIP for 6500 Cat-OS.
Comparisons of CLI, MQC, and AutoQoS.
Foundation Summary.
For Further Reading.
Q&A.
4. Classification and Marking.
"Do I Know This Already?" Quiz Questions.
Classification and Marking Concepts Questions.
Classification and Marking Tools Questions.
Classification Issues when Using VPNs Questions.
Foundation Topics.
Classification and Marking Concepts.
Classification.
Marking.
Classification and Marking Design Choices.
Classification and Marking Tools.
Class-Based Marking (CB Marking) Configuration.
Miscellaneous Features of Class-Based Marking.
Classification Issues when Using VPNs.
Classification and Marking Before Entering the VPN Tunnel.
Classification and Marking on the Router Creating the VPN Tunnel.
Configuring QoS Pre-classification.
Foundation Summary.
For Further Reading.
Q&A.
5. Congestion Management.
"Do I Know This Already?" Quiz.
Cisco Router Queuing Concepts Questions.
Scheduling Concepts: FIFO, PQ, CQ, and MDRR Questions.
Concepts and Configuration: WFQ, CBWFQ, and LLQ Questions.
Foundation Topics.
Cisco Router Queuing Concepts.
Software Queues and Hardware Queues.
Queuing on Interfaces Versus Subinterfaces and Virtual Circuits (VCs).
Summary of Queuing Concepts.
Scheduling Concepts: FIFO, PQ, CQ, and MDRR.
FIFO Queuing.
Priority Queuing.
Custom Queuing.
Modified Deficit Round-Robin.
Concepts and Configuration: WFQ, CBWFQ, and LLQ.
Weighted Fair Queuing (WFQ).
Class-Based WFQ (CBWFQ).
Low Latency Queuing (LLQ).
Comparisons of WFQ, CBWFQ, and LLQ.
Foundation Summary.
For Further Reading.
Q&A.
6. Traffic Policing and Shaping.
"Do I Know This Already?" Quiz.
Shaping and Policing Concepts Questions.
Configuring Class-Based Shaping.
Configuring Class-Based Policing.
Foundation Topics.
Traffic Policing and Traffic Shaping Concepts.
When and Where to Use Shaping and Policing.
How Shaping Works.
How Policing Works.
Summary of CB Policing Mechanics.
Class-Based Shaping Configuration.
Setting Bc to Tune Tc.
Tuning Shaping for Voice Using LLQ and a Small Tc.
Shaping to a Peak Rate.
Miscellaneous CB Shaping Configuration: Adaptive Shaping.
Miscellaneous CB Shaping Configuration: Shaping by Percent.
Comparing CB Shaping and FRTS.
Class Based Policing Configuration.
Policing a Subset of the Traffic.
Configuring Dual-Rate Policing.
CB Policing Miscellany.
CB Policing Configuration Summary.
Foundation Summary.
Q&A.
7. Congestion Avoidance Through Drop Policies.
"Do I Know This Already?" Quiz.
Congestion-Avoidance Concepts and RED Questions.
WRED Questions.
ECN Questions.
Foundation Topics.
Congestion-Avoidance Concepts and Random Early Detection (RED).
TCP and UDP Reactions to Packet Loss.
Tail Drop, Global Synchronization, and TCP Starvation.
Random Early Detection (RED).
Weighted RED (WRED).
How WRED Weights Packets.
WRED and Queuing.
WRED Configuration.
WRED Summary.
Explicit Congestion Notification.
ECN Concepts.
ECN Configuration.
Foundation Summary.
Q&A.
8. Link Efficiency Tools.
"Do I Know This Already?" Quiz.
Compression Questions.
Link Fragmentation and Interleave Questions.
Foundation Topics.
Payload and Header Compression.
Header Compression.
Class-Based TCP and RTP Header Compression Configuration.
Link Fragmentation and Interleaving.
Multilink PPP LFI.
Frame Relay LFI Using FRF.12.
Multilink PPP Interleaving Configuration.
Frame Relay Fragmentation Configuration.
MLP LFI and FRF.12 Configuration: The Short Version.
Foundation Summary.
Compression Tools.
LFI Tools.
Q&A.
9. LAN QoS.
"Do I Know This Already?" Quiz.
Classification and Marking.
Congestion Management.
Policing.
AutoQoS.
Foundation Topics.
The Need for QoS on the LAN.
Buffer Overflow (Overrun).
The Cisco Catalyst 2950.
Classification and Marking.
Layer 2 Header Classification and Marking.
Layer 3 Header Classification and Marking.
Layer 2-to-Layer 3 Mapping.
Trust Boundaries.
Using MQC for Classification and Marking.
Congestion Management.
Strict Priority Scheduling.
WRR Scheduling.
Strict Priority and WRR Scheduling.
Policing.
AutoQoS.
Foundation Summary.
For Further Reading.
Q&A.
10. Cisco QoS Best Practices.
"Do I Know This Already?" Quiz.
Foundation Topics.
The Need for QoS Best Practices.
End-to-End QoS.
QoS Service Level Agreements.
Application Requirements for QoS.
Voice Traffic.
Video Traffic.
Data Traffic.
QoS Best Practices Methodology.
Classification and Marking Best Practices.
Congestion Management Best Practices.
Congestion Avoidance Best Practices.
Policing Best Practices.
QoS Case Studies.
Enterprise Campus QoS Implementations.
Enterprise (CE) to Service Provider (PE) WAN QoS Implementations.
Service Provider (PE) to Enterprise (CE) WAN QoS Implementations.
Service Provider Backbone QoS Implementations.
Foundation Summary.
For Further Reading.
Q&A.
Appendix A Answers to the "Do I Know This Already?"
Quizzes and Q & A Sections.
Chapter 1.
"Do I Know This Already" Quiz.
Q&A.
Chapter 2.
"Do I Know This Already" Quiz.
Q&A.
Chapter 3.
"Do I Know This Already" Quiz.
Q&A.
Chapter 4.
"Do I Know This Already" Quiz.
Q&A.
Chapter 5.
"Do I Know This Already" Quiz.
Q&A .
Chapter 6.
"Do I Know This Already" Quiz.
Q&A.
Chapter 7.
"Do I Know This Already" Quiz.
Q&A.
Chapter 8.
"Do I Know This Already" Quiz.
Q&A.
Chapter 9.
"Do I Know This Already" Quiz.
Q&A .
Chapter 10.
"Do I Know This Already" Quiz.
Q&A.
Index.
商品描述(中文翻譯)
描述：
官方自學測試準備指南，針對 Cisco QOS 642-642 考試
- QoS 概念、工具和架構
- 模組化 QoS CLI (MQC)、QoS 政策管理器 (QPM) 和 AutoQoS
- 分類和標記
- 擁塞管理
- 流量整形和監控
- 透過丟包政策進行擁塞避免
- 壓縮工具和鏈路片段及交錯 (LFI) 工具以提高鏈路效率
- LAN QoS
- QoS 最佳實踐
Cisco IP 電話專注的認證路徑驗證設計、安裝和支援多服務網路解決方案的能力。對於所有 Cisco IP 電話專注的認證，對服務品質 (QoS) 特性和實施的深入理解是必不可少的，這也是 CCIP 認證的核心組成部分。
《Cisco QOS 考試認證指南》第二版，是一本最佳的 Cisco 考試學習指南，專注於 QOS 642-642 考試的目標。資深講師及暢銷書作者 Wendell Odom 和資深 AVVID 顧問 Michael Cavanaugh 分享準備提示和考試技巧，幫助您識別弱點並提升 QoS 知識。材料以簡潔的方式呈現，專注於增強您對考試主題的理解和記憶。
《Cisco QOS 考試認證指南》第二版，通過使用經驗證的系列元素和技術，為您提供有組織的測試準備例行程序。「我已經知道這個了嗎？」的測驗在每章開頭，讓您決定需要在每個部分花多少時間。考試主題列表和基礎摘要表、圖形及快照資訊使參考變得簡單，並在您需要時提供快速的複習。具有挑戰性的章節結尾回顧問題幫助您評估知識並加強關鍵概念。隨附的 CD-ROM 包含一個強大的測試引擎，讓您專注於個別主題區域或進行完整的計時考試。評估引擎還會追蹤您的表現，並提供模組逐一的反饋，針對每個問題提供文本的補救措施。這本書因其詳細程度、評估功能以及具有挑戰性的回顧問題和練習而受到好評，幫助您掌握概念和技術，使您能夠在第一次考試中成功。
《Cisco QOS 考試認證指南》第二版，是 Cisco 系統推薦學習路徑的一部分，該路徑包括來自授權 Cisco 學習夥伴的模擬和實作訓練，以及來自 Cisco Press 的自學產品。要了解更多有關授權 Cisco 學習夥伴在全球提供的講師主導訓練、電子學習和實作教學，請訪問 www.cisco.com/go/authorizedtraining。
隨附 CD-ROM
隨附的 CD-ROM 包含一個測試庫，內有超過 300 道練習題和文本的電子版本。CD-ROM 測試引擎由 www.boson.com 提供支持。Boson Software 是 Cisco Learn。
