Cisco QOS Exam Certification Guide (IP Telephony Self-Study)

by Odom, Wendell; Cavanaugh, Michael J.

• ISBN13: 9781587201240
• ISBN10: 1587201240
• Edition: 2nd
• Format: Hardcover
• Copyright: 2004-11-18
• Publisher: Cisco Press

Summary

Prepare for the 642-642 QOS exam for IP Telephony from Cisco Systems with the official test preparation guide

Author Biography

Wendell Odom is a senior instructor with Skyline Advanced Technology Services, where he teaches courses on QoS, CCNA, and CCIE lab preparation.

Table of Contents

Introduction

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

Identify Traffic and Its Requirements

Divide Traffic into Classes

Define Policies for Each Traffic Class

Foundation Summary Q&A

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

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 tQ&A

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 tQ&A

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 Concept

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