CCNA Voice Exam Cram

David J. Batemanis a certified Cisco instructor with more than 20 years of internetworking experience. In addition to teaching, he is involved in authoring courses and books, including Configuring Cisco CallManager and Unity: A Step-by-Step Guide, published by Cisco Press. David currently is the director of curriculum development for Skyline-ATS. His years of real-world technical and business knowledge allow him to bring a unique perspective to the classroom, where he not only delivers critical technical knowledge but also explains how technologies can be used to address various business needs.   William E. Burton,CCSI, CCIE No. 1119, CCVP, CCNP, CCVA, CCNA, is an author, instructor, and IT implementer with more than 35 years of experience. Mr. Burton’s experience includes small to global network architecture and deployments for federal agencies, state and local governments, corporations, and educational institutions. He also has extensive programming experience in the telephony arena at AT&T Long Lines and Bell Labs.  

Introduction

Self Assessment

Part I: Traditional Telephony

CHAPTER 1:Traditional Telephony Overview

Understanding the Legacy PSTN

Business Phone Systems

Call Signaling

    Supervisory Signaling

    Addressing

    Informational

PSTN Call Setup

Numbering Plans

E.164 Addressing

Exam Prep Questions

Answers to Exam Prep Questions

CHAPTER 2:Introducing Analog Circuits

Analog Telephone Components

Foreign Exchange Trunks

    Foreign Exchange Station

    Foreign Exchange Office

Understanding Circuit Types

    Loop Start

    Ground Start

    E&M

Exam Prep Questions

Answers to Exam Prep Questions

Suggested Reading and Resources

CHAPTER 3: Introducing Digital Circuits

From Analog to Digital: Coder/Decoder (Codec) Revealed

    Sampling

    Quantization

    Encoding Quantized Values to Binary

    Compression

Introducing TDM

Understanding Circuit Types

    T1 Circuits

    E1 Circuits

Understanding Signaling Types

    Channel-Associated Signaling (CAS)

    CCS

Summary

Exam Prep Questions

Answers to Exam Prep Questions

Suggested Reading and Resources

Part II: VoIP

CHAPTER 4: Voice to VoIP

Introducing Digital Signal Processors

Understanding Transport Protocols

    Real-Time Transport Protocol

    Real-Time Transport Control Protocol

Packetizing Voice Streams

    G.711 Codec

    G.729 Codec

Understanding Codecs

    Comparing G.729 and G.729a Codecs

    Understanding the Effect of VAD

Additional DSP Functions

    Echo Cancellation

    Conferencing

    Transcoding and Media Termination Point

Exam Prep Questions

Answers to Exam Prep Questions

Suggested Reading and Resources

CHAPTER 5: Functions of VoIP Signaling Protocols

SCCP

H.323

MGCP

SIP

Exam Prep Questions

Answers to Exam Prep Questions

Suggested Reading and Resources

CHAPTER 6: Connecting Your VoIP System to the Rest of the World

Understanding Gateways

    Analog Gateways and Voice Ports

    Digital Gateways and Voice Ports

    Digital Gateways

Understanding Call Legs

Understanding Dial Peers

    Dial Peer Overview

    POTS Dial Peers

    VoIP Dial Peers

    Dial Peer Commands

    Matching Dial Peers

Using Internet Telephony Service Providers

Exam Prep Questions

Answers to Exam Prep Questions

Suggested Reading and Resources

CHAPTER 7: Configuring the Network to Support VoIP

Understanding the Theory of Voice VLANs

Configuring Voice VLANs

    VLANs and an External Router

    Router with Built-in Switch Ports

Power over Ethernet

Essential Network Services: DHCP and NTP

    DHCP Services

    DHCP Relay Service

    Network Time Protocol

Understanding the Phone Bootup Process

Installing Cisco IP Phone Firmware and XML Configuration Files

    Firmware

    Device Configuration XML File

    Default XML File

Exam Prep Questions

Answers to Exam Prep Questions

Suggested Reading and Resources

CHAPTER 8: Reviewing QoS and Configuring the Cisco AutoQoS Feature

Defining QoS

Why Converged Networks Need QoS

    Networks Before Convergence

    Networks After Convergence

Measurable QoS Issues: Bandwidth, Delay, Loss, and Jitter

    Bandwidth Capacity

    End-to-End Delay

    Packet Loss

    Variation of Delay: Jitter

    Techniques to Solve QoS Issues

QoS Traffic Tagging for IP and LAN Traffic

    The IP Header TOS Field

    The CoS Field for Layer 2 Frames

Understanding QoS Traffic Requirements

    Voice

    Video

    Data

Building a QoS Policy for Converged Networks

    Identifying the Network Traffic

    Divide the Traffic into Service Classes

    Define Policies for Each Service Class

An AutoQoS Primer

    Trust Boundaries

    Cisco Devices That Support AutoQoS

Exam Prep Questions

Answers to Exam Prep Questions

Part III: Cisco Unified CME and Unity Express in Business

CHAPTER 9: Introducing Cisco Unified CME

Understanding the Benefits of Cisco Unified CME

Understanding Cisco Unified CME Features

    Phone Features

    System Features

    Trunk Features

    Voicemail Features

Knowing the Hardware and Software Requirements

    Required Platform

    Software and Licensing

Exploring Supported Endpoints

Exam Prep Questions

Answers to Exam Prep Questions

Suggested Reading and Resources

CHAPTER 10: Configuring Cisco Unified CME to Support Endpoints

Ephones and Ephone-dns

    Configuring Ephones

    Configuring Ephone-dns

Configuring Telephony Service

    Telephony Service Commands

    Firmware Provisioning

    Registration Configuration

    Endpoint Verification

    Endpoint Reboot

Exam Prep Questions

Answers to Exam Prep Questions

Suggested Reading and Resources

CHAPTER 11: Configuring Cisco Unity Express

Setting Up Cisco Unity Express Voicemail

    Cisco Unity Express Platforms and Capacities

    Cisco Unity Express Features and Functionality

    Preintegration CLI Configuration

    Installation and Upgrade Procedure

    GUI Initialization Wizard

Using Cisco Auto Attendant

    Activating the Auto Attendant

    Managing Prompts with the GUI and AVT (TUI)

Troubleshooting Cisco Unity Express

    Host Router CLI Tools

Exam Prep Questions

Answers to Exam Prep Questions

CHAPTER 12: Implementing Business Features

Configuring Common Features

    Call Forward

    Call Transfer

    Call Park

    Call Pickup Groups

    Intercom

Configuring Additional Features

    Paging

    MOH

    Directory Services

    Call Blocking

    Call Accounting

Exam Prep Questions

Answers to Exam Prep Questions

Suggested Reading and Resources

CHAPTER 13: Maintaining and Troubleshooting Cisco Unified CME

Backup and Restore

Troubleshooting the Cisco Unified CME Installation

    Initial IP Phone Activation and Registration Issues

    Common show Commands Used to Verify CUCME Operations

Exam Prep Questions

Answers to Exam Prep Questions

Part IV: Cisco Smart Business Communications System

CHAPTER 14: Introducing the Smart Business Communications System

SBCS Overview

    Cisco Unified Communications 500 Series Platform

    Catalyst Express Switches

    Supported Endpoints

Using Additional SBCS Features

    SBCS Wireless Features

    SBCS Security Features

Understanding the Cisco Configuration Assistant

Exam Prep Questions

Answers to Exam Prep Questions

Suggested Reading and Resources

CHAPTER 15: Implementing the Smart Business Communications System

Installing CCA and Managing the SBCS

    Setup

    Device Properties

    Graphical Views

    Upgrading

    File Management

Cisco Configuration Assistant: Voice Configuration

    Device

    System

    Network

    Auto Attendant and Voicemail

    SIP Trunk

    Voice Features

    Dial Plan

    Users

Cisco Configuration Assistant: System Configuration

    Configure Port Settings

    Configure Security

    Configure Wireless

    Configure Routing

Monitoring SBCS with CCA

    View the Health of a Cisco Smart Business Communications System

    Review and Respond to Cisco Smart Business Communications System Events

    Review and Respond to Cisco Smart Business Communications System Messages

Maintaining SBCS with CCA

    Software Upgrade

    Back Up and Restore Device Configurations

    Reset a Cisco Smart Business Communications System to a Factory Default State

Exam Prep Questions

Answers to Exam Prep Questions

Part V: Practice Exams and Answers

CHAPTER 16: Practice Exam 1

CHAPTER 17: Practice Exam 1 Answer Key

CHAPTER 18: Practice Exam 2

CHAPTER 19: Practice Exam 2 Answer Key

Part VI: Appendixes

Appendix A: Cisco Unified Communications Overview

Appendix B: What’s on the CD-ROM

Glossary

 

078973799x   TOC   12/19/2008