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CCNP ONT Official Exam Certification Guide

Book Description

  • Master all 642-845 exam topics with the official study guide

  • Assess your knowledge with chapter-opening quizzes

  • Review key concepts with foundation summaries

  • Practice with hundreds of exam questions on the CD-ROM

  • Amir Ranjbar, CCIE® No. 8669

    CCNP ONT Official Exam Certification Guide is a best of breed Cisco® 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® 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® 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, including

  • Implementing a voice-over-IP (VoIP) network

  • Implementing QoS on converged networks

  • Specific IP QoS mechanisms for implementing the DiffServ QoS model

  • AutoQoS

  • Wireless security

  • Basic wireless management

  • Companion CD-ROM

    The 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®. 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 Certification

    Covers: ONT Exam 642-845

    Table of Contents

    1. Copyright
      1. Dedications
    2. About the Author
      1. About the Contributing Author
    3. About the Technical Reviewers
    4. Acknowledgments
    5. Icons Used in This Book
    6. Command Syntax Conventions
    7. Foreword
    8. Introduction
      1. Goals and Methods
      2. Who Should Read This Book?
      3. Strategies for Exam Preparation
      4. How This Book Is Organized
      5. Features of This Book
      6. ONT Exam Topics
    9. I. Voice over IP
      1. 1. Cisco VoIP Implementations
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
          1. Introduction to VoIP Networks
          2. Benefits of Packet Telephony Networks
          3. Packet Telephony Components
          4. Analog Interfaces
          5. Digital Interfaces
          6. Stages of a Phone Call
          7. Distributed Versus Centralized Call Control
        3. Digitizing and Packetizing Voice
          1. Basic Voice Encoding: Converting Analog to Digital
          2. Basic Voice Encoding: Converting Digital to Analog
          3. The Nyquist Theorem
          4. Quantization
          5. Compression Bandwidth Requirements and Their Comparative Qualities
          6. Digital Signal Processors
        4. Encapsulating Voice Packets
          1. End-to-End Delivery of Voice
          2. Protocols Used in Voice Encapsulation
          3. Reducing Header Overhead
        5. Bandwidth Calculation
          1. Impact of Voice Samples and Packet Size on Bandwidth
          2. Data Link Overhead
          3. Security and Tunneling Overhead
          4. Calculating the Total Bandwidth for a VoIP Call
          5. Effects of VAD on Bandwidth
        6. Implementing VoIP Support in an Enterprise Network
          1. Enterprise Voice Implementations
          2. Voice Gateway Functions on a Cisco Router
          3. Cisco Unified CallManager Functions
          4. Enterprise IP Telephony Deployment Models
            1. Single-Site Model
            2. Multisite with Centralized Call Processing Model
            3. Multisite with Distributed Call Processing Model
            4. Clustering over WAN Model
          5. Identifying Voice Commands in IOS Configurations
          6. Call Admission Control (CAC)
        7. Foundation Summary
        8. Q&A
    10. II. Quality of Service
      1. 2. IP Quality of Service
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
          1. Introduction to QoS
            1. Converged Network Issues Related to QoS
              1. Available Bandwidth
              2. End-to-End Delay
              3. Delay Variation
              4. Packet Loss
            2. Definition of QoS and the Three Steps to Implementing It
              1. Implementing QoS
              2. Step 1: Identifying Traffic Types and Their Requirements
              3. Step 2: Classifying Traffic Based on the Requirements Identified
              4. Step 3: Defining Policies for Each Traffic Class
          2. Identifying and Comparing QoS Models
            1. Best-Effort Model
            2. Integrated Services Model
            3. Differentiated Services Model
          3. QoS Implementation Methods
            1. Legacy Command-Line Interface (CLI)
            2. Modular QoS Command-Line Interface (MQC)
            3. AutoQoS
            4. Router and Security Device Manager (SDM) QoS Wizard
        3. Foundation Summary
        4. Q&A
      2. 3. Classification, Marking, and NBAR
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
          1. Classification and Marking
          2. Layer 2 QoS: CoS on 802.1Q/P Ethernet Frame
          3. Layer 2 QoS: DE and CLP on Frame Relay and ATM (Cells)
          4. Layer 2 1/2 QoS: MPLS EXP Field
        3. The DiffServ Model, Differentiated Services Code Point (DSCP), and Per-Hop Behavior (PHB)
          1. IP Precedence and DSCP
        4. QoS Service Class
        5. Trust Boundaries
        6. Network Based Application Recognition (NBAR)
        7. Cisco IOS Commands to Configure NBAR
        8. Foundation Summary
        9. Q&A
      3. 4. Congestion Management and Queuing
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
          1. Introduction to Congestion Management and Queuing
        3. First-In-First-Out, Priority Queuing, Round-Robin, and Weighted Round-Robin Queuing
        4. Weighted Fair Queuing
          1. WFQ Classification and Scheduling
          2. WFQ Insertion and Drop Policy
          3. Benefits and Drawbacks of WFQ
          4. Configuring and Monitoring WFQ
        5. Class-Based Weighted Fair Queuing
          1. Classification, Scheduling, and Bandwidth Guarantee
          2. Benefits and Drawbacks of CBWFQ
          3. Configuring and Monitoring CBWFQ
        6. Low-Latency Queuing
          1. Benefits of LLQ
          2. Configuring and Monitoring LLQ
        7. Foundation Summary
        8. Q&A
      4. 5. Congestion Avoidance, Policing, Shaping, and Link Efficiency Mechanisms
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
        3. Congestion Avoidance
          1. Tail Drop and Its Limitations
          2. Random Early Detection
          3. Weighted Random Early Detection
          4. Class-Based Weighted Random Early Detection
          5. Configuring CBWRED
        4. Traffic Shaping and Policing
          1. Measuring Traffic Rates
          2. Cisco IOS Policing and Shaping Mechanisms
        5. Link Efficiency Mechanisms
          1. Layer 2 Payload Compression
          2. Header Compression
          3. Link Fragmentation and Interleaving
          4. Applying Link Efficiency Mechanisms
        6. Foundation Summary
        7. Q&A
      5. 6. Implementing QoS Pre-Classify and Deploying End-to-End QoS
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
          1. Implementing QoS Pre-Classify
            1. Virtual Private Networks (VPN)
            2. QoS Pre-Classify Applications
            3. QoS Pre-Classification Deployment Options
          2. Deploying End-to-End QoS
            1. QoS Service Level Agreements (SLAs)
            2. Enterprise Campus QoS Implementations
            3. WAN Edge QoS Implementations
            4. Control Plane Policing (CoPP)
        3. Foundation Summary
        4. Q&A
      6. 7. Implementing AutoQoS
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
          1. Introducing AutoQoS
          2. Implementing and Verifying AutoQoS
            1. Two-Step Deployment of AutoQoS Enterprise on Routers
            2. Deploying AutoQoS VoIP on IOS-Based Catalyst Switches
            3. Verifying AutoQoS on Cisco Routers and IOS-Based Catalyst Switches
          3. AutoQoS Shortcomings and Remedies
            1. Automation with Cisco AutoQoS
            2. Common AutoQoS Problems
            3. Interpreting and Modifying AutoQoS Configurations
        3. Foundation Summary
        4. Q&A
    11. III. Wireless LAN
      1. 8. Wireless LAN QoS Implementation
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
          1. The Need for Wireless LAN QoS
            1. WLAN QoS Description
            2. Split MAC Architecture and Light Weight Access Point
          2. Current Wireless LAN QoS Implementation
          3. Configuring Wireless LAN QoS
        3. Foundation Summary
        4. Q&A
      2. 9. Introducing 802.1x and Configuring Encryption and Authentication on Lightweight Access Points
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
          1. Overview of WLAN Security
            1. WLAN Security Issues
            2. Evolution of WLAN Security Solutions
          2. 802.1x and EAP Authentication Protocols
            1. EAP Authentication Protocols
              1. Cisco LEAP
              2. EAP-FAST
              3. EAP-TLS
              4. PEAP
            2. WPA, 802.11i, and WPA2
          3. Configuring Encryption and Authentication on Lightweight Access Points
            1. Open Authentication
            2. Static WEP Authentication
            3. WPA Preshared Key
            4. Web Authentication
            5. 802.1x Authentication
        3. Foundation Summary
        4. Q&A
      3. 10. WLAN Management
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
          1. The Need for WLAN Management
            1. Cisco Unified Wireless Networks
            2. Cisco WLAN Implementation
            3. WLAN Components
          2. CiscoWorks Wireless LAN Solution Engine
            1. WLSE Software Features
            2. WLSE Key Benefits
            3. CiscoWorks WLSE and WLSE Express
            4. Simplified WLSE Express Setup
            5. WLSE Configuration Templates
            6. WLSE IDS Features
            7. WLSE Summary
          3. Cisco Wireless Control System
            1. WCS Location Tracking Options
              1. WCS Base Software Features
              2. WCS Location Software Features
              3. WCS Location + 2700 Series Wireless Location Appliance Features
            2. WCS System Features
              1. Cisco WCS User Interface
              2. Cisco WCS System Requirements
            3. WCS Summary Pages
            4. Wireless Location Appliance
              1. Wireless Location Appliance Architecture
              2. Wireless Location Appliance Applications
            5. WCS Configuration Examples
              1. WCS Login Steps
              2. Changing the Root Password
              3. Adding a Wireless LAN Controller
              4. Configuring Access Points
            6. WCS Map
              1. Adding a Campus Map
              2. Adding a New Building
            7. Rogue Access Point Detection
              1. Rogue Access Point Alarms
              2. Rogue Access Point Location
        3. Foundation Summary
        4. Q&A
    12. IV. Appendix
      1. A. Answers to the “Do I Know This Already?” Quizzes and Q&A Sections
        1. Chapter 1
          1. “Do I Know This Already?” Quiz
          2. Q&A
        2. Chapter 2
          1. “Do I Know This Already?” Quiz
          2. Q&A
        3. Chapter 3
          1. “Do I Know This Already?” Quiz
          2. Q&A
        4. Chapter 4
          1. “Do I Know This Already?” Quiz
          2. Q&A
        5. Chapter 5
          1. “Do I Know This Already?” Quiz
          2. Q&A
        6. Chapter 6
          1. “Do I Know This Already?” Quiz
          2. Q&A
        7. Chapter 7
          1. “Do I Know This Already?” Quiz
          2. Q&A
        8. Chapter 8
          1. “Do I Know This Already?” Quiz
          2. Q&A
        9. Chapter 9
          1. “Do I Know This Already?” Quiz
          2. Q&A
        10. Chapter 10
          1. “Do I Know This Already?” Quiz
          2. Q&A