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Cisco QOS exam certification guide (with CD-ROM, 2nd Ed., exam 642-642)

Langue : Anglais

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Couverture de l’ouvrage Cisco QOS exam certification guide (with CD-ROM, 2nd Ed., exam 642-642)
Prepare for the 642-642 QOS exam for IP Telephony from Cisco Systems with the official test preparation guide
  • Master the topics on the new 642-642 QOS exam for IP Telephony from Cisco
  • Learn from the number 1 selling author of Cisco certification books
  • Rely on proven learning tools from the Exam Certification Guide Series
  • Practice with the 200-question test engine and electronic version of the book on the enclosed CD-ROM
Cisco QOS Exam Certification Guide, Second Edition is a mid- to late-stage assessment, review, and practice tool for the new IP Telephony QOS exam. It not only prepares readers to succeed on the exam, but also in their daily job as a certified networking professional. Revised to eliminate material dropped from the exam and to include new topics added, the book now also covers VPN/tunnel pre-classification, MDRR Queuing, ECN, class-based compression, and autoQoS. Coverage of all exam topics as provided by Cisco ensures readers will arrive at a complete understanding of what they need to master to pass the exam on their first attempt. The book follows a logical organization of the QOS exam objectives. Material is presented in a concise manner, focusing on increasing readers' retention and recall of exam topics. Readers will organize their exam preparation through the use of the consistent features in these chapters including pre- and post-chapter quizzes, foundation summaries and scenario-based exercises. The included CD-ROM contained with this book provides a 200-question test engine as well as an electronic version of the book. Wendell Odom, CCIE No. 1624, is a senior instructor with Skyline Computer. Wendell is the author of several Cisco Press books, including the best-selling series of CCNA Exam Certification Guides, Computer Networking First-Step, and the first edition of the presented title. Michael J. Cavanaugh, CCIE No. 4516, has been in the networking industry for more than 17 years, and is also a co-author of the first edition of the presented title.

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.

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