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CCNA Routing and Switching ICND2 200-101 Official Cert Guide, CourseSmart eTextbook

By Wendell Odom

Published by Cisco Press

Published Date: Apr 9, 2013

Description

Cisco Press has the only Self-Study Guides Approved by Cisco for the New CCNA Routing and Switching Certification.¿ The New Edition of this Best-Selling Official Cert Guide includes Updated Content, New Exercises, Enhanced Practice Exams, and 60 Minutes of Video Training -- PLUS the CCNA Network Simulator Lite Edition with lab exercises.

 

Cisco CCNA Routing and Switching ICND2 200-101 Official Cert Guide from Cisco Press enables you to succeed on the exam the first time. Best-selling author and expert instructor Wendell Odom shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills.

 

This complete study package includes

  • A test-preparation routine proven to help you pass the exams
  • Do I Know This Already? quizzes, which enable you to decide how much time you need to spend on each section
  • Chapter-ending and part-ending exercises, which help you drill on key concepts you must know thoroughly
  • Troubleshooting sections, which help you master the complex scenarios you will face on the exam
  • The powerful Pearson IT Certification Practice Test software, complete with hundreds of well-reviewed, exam-realistic questions, customization options, and detailed performance reports
  • A free copy of the CCNA ICND2 200-101 Network Simulator Lite software, complete with meaningful lab exercises that help you hone your hands-on skills with the command-line interface for routers and switches
  • More than 60 minutes of video mentoring from the author
  • A final preparation chapter, which guides you through tools and resources to help you craft your review and test-taking strategies
  • Study plan suggestions and templates to help you organize and optimize your study time

 

The official study guide helps you master all the topics on the CCNA exam, including

  • Spanning Tree Protocol (STP)
  • Troubleshooting LAN switching
  • IPv4 routing
  • VPNs
  • OSPF and EIGRP configuration and troubleshooting
  • Wide area networks and Frame Relay
  • IPv6 implementation and troubleshooting
  • Network management

 

Well regarded for its level of detail, study plans, assessment features, challenging review questions and exercises, video instruction, and hands-on labs, this official study guide helps you master the concepts and techniques that ensure your exam success.

Table of Contents

Introduction xxviii

Getting Started 3

Part I: LAN Switching 11

Chapter 1 Spanning Tree Protocol Concepts 13

“Do I Know This Already?” Quiz 13

Foundation Topics 16

LAN Switching Review 16

    LAN Switch Forwarding Logic 16

    Switch Verification 17

        Viewing the MAC Address Table 17

        Determining the VLAN of a Frame 19

        Verifying Trunks 20

Spanning Tree Protocol (IEEE 802.1D) 21

    The Need for Spanning Tree 22

    What IEEE 802.1D Spanning Tree Does 24

    How Spanning Tree Works 25

        The STP Bridge ID and Hello BPDU 27

        Electing the Root Switch 27

        Choosing Each Switch’s Root Port 29

        Choosing the Designated Port on Each LAN Segment 31

    Influencing and Changing the STP Topology 32

        Making Configuration Changes to Influence the STP Topology 32

        Reacting to State Changes That Affect the STP Topology 33

        How Switches React to Changes with STP 34

        Changing Interface States with STP 35

Optional STP Features 36

    EtherChannel 37

    PortFast 37

    BPDU Guard 38

    Rapid STP (IEEE 802.1w) 38

Exam Preparation Tasks 40

Chapter 2 Spanning Tree Protocol Implementation 43

“Do I Know This Already?” Quiz 43

Foundation Topics 46

STP Configuration and Verification 46

    Setting the STP Mode 47

    Connecting STP Concepts to STP Configuration Options 47

        Per-VLAN Configuration Settings 47

        The Bridge ID and System ID Extension 48

        Per-VLAN Port Costs 49

        STP Configuration Option Summary 49

    Verifying STP Operation 50

    Configuring STP Port Costs 53

    Configuring Priority to Influence the Root Election 55

    Configuring PortFast and BPDU Guard 56

    Configuring EtherChannel 58

        Configuring a Manual EtherChannel 58

        Configuring Dynamic EtherChannels 60

STP Troubleshooting 61

    Determining the Root Switch 62

    Determining the Root Port on Nonroot Switches 63

        STP Tiebreakers When Choosing the Root Port 64

        Suggestions for Attacking Root Port Problems on the Exam 65

    Determining the Designated Port on Each LAN Segment 66

        Suggestions for Attacking Designated Port Problems on the Exam 67

    STP Convergence 68

    Troubleshooting EtherChannel 68

        Incorrect Options on the channel-group Command 68

        Configuration Checks Before Adding Interfaces to EtherChannels 70

Exam Preparation Tasks 73

Command Reference to Check Your Memory 73

Chapter 3 Troubleshooting LAN Switching 77

“Do I Know This Already?” Quiz 77

Foundation Topics 78

Generalized Troubleshooting Methodologies 78

    Analyzing and Predicting Normal Network Operation 79

        Data Plane Analysis 79

        Control Plane Analysis 81

        Predicting Normal Operations: Summary of the Process 81

    Problem Isolation 82

    Root Cause Analysis 83

    Real World Versus the Exams 84

Troubleshooting the LAN Switching Data Plane 84

    An Overview of the Normal LAN Switch Forwarding Process 85

    Step 1: Confirm the Network Diagrams Using CDP 86

    Step 2: Isolate Interface Problems 88

        Interface Status Codes and Reasons for Nonworking States 88

        The notconnect State and Cabling Pinouts 90

        Determining Switch Interface Speed and Duplex 91

        Issues Related to Speed and Duplex 92

    Step 3: Isolate Filtering and Port Security Problems 94

    Step 4: Isolate VLAN and Trunking Problems 98

        Ensuring That the Right Access Interfaces Are in the Right VLANs 98

        Access VLANs Not Being Defined or Not Being Active 100

        Identify Trunks and VLANs Forwarded on Those Trunks 100

Troubleshooting Examples and Exercises 102

    Troubleshooting Example 1: Find Existing LAN Data Plane Problems 103

        Step 1: Verify the Accuracy of the Diagram Using CDP 104

        Step 2: Check for Interface Problems 105

        Step 3: Check for Port Security Problems 107

        Step 4: Check for VLAN and VLAN Trunk Problems 109

    Troubleshooting Example 2: Predicting LAN Data Plane Behavior 112

        PC1 ARP Request (Broadcast) 113

        R1 ARP Reply (Unicast) 116

Exam Preparation Tasks 121

Answers to Troubleshooting Example 1 121

Part I Review 124

Part II: IP Version 4 Routing 129

Chapter 4 Troubleshooting IPv4 Routing Part I 131

“Do I Know This Already?” Quiz 131

Foundation Topics 132

Predicting Normal IPv4 Routing Behavior 132

    Host IPv4 Routing Logic 132

    Routing Logic Used by IPv4 Routers 133

        IP Routing Logic on a Single Router 134

        IP Routing from Host to Host 135

        Building New Data Link Headers Using ARP Information 136

Problem Isolation Using the ping Command 137

    Ping Command Basics 138

    Strategies and Results When Testing with the ping Command 139

        Testing Longer Routes from Near the Source of the Problem 139

        Using Extended Ping to Test the Reverse Route 142

        Testing LAN Neighbors with Standard Ping 144

        Testing LAN Neighbors with Extended Ping 145

        Testing WAN Neighbors with Standard Ping 145

    Using Ping with Names and with IP Addresses 146

Problem Isolation Using the traceroute Command 147

    traceroute Basics 147

        How the traceroute Command Works 148

        Standard and Extended traceroute 150

    Using traceroute to Isolate the Problem to Two Routers 151

Exam Preparation Tasks 154

Chapter 5 Troubleshooting IPv4 Routing Part II 157

“Do I Know This Already?” Quiz 157

Foundation Topics 158

Problems Between the Host and the Default Router 158

    Root Causes Based on a Host’s IPv4 Settings 158

        Ensure IPv4 Settings Correctly Match 158

        Mismatched Masks Impact Route to Reach Subnet 160

        Typical Root Causes of DNS Problems 161

        Wrong Default Router IP Address Setting 163

    Root Causes Based on the Default Router’s Configuration 163

        Mismatched VLAN Trunking Configuration with Router on a Stick 163

        DHCP Relay Issues 166

        Router LAN Interface and LAN Issues 167

Problems with Routing Packets Between Routers 169

    IP Forwarding by Matching the Most Specific Route 170

        Using show ip route and Subnet Math to Find the Best Route 170

        Using show ip route address to Find the Best Route 172

        show ip route Reference 172

    Routing Problems Caused by Incorrect Addressing Plans 174

        Recognizing When VLSM Is Used or Not 174

        Overlaps When Not Using VLSM 174

        Overlaps When Using VLSM 176

        Configuring Overlapping VLSM Subnets 177

    Router WAN Interface Status 178

    Filtering Packets with Access Lists 178

Exam Preparation Tasks 181

Chapter 6 Creating Redundant First-Hop Routers 183

“Do I Know This Already?” Quiz 183

Foundation Topics 186

FHRP Concepts 186

    The Need for Redundancy in Networks 186

    The Need for a First Hop Redundancy Protocol 188

        The Three Solutions for First-Hop Redundancy 189

    HSRP Concepts 190

        HSRP Failover 191

        HSRP Load Balancing 192

    GLBP Concepts 193

FHRP Configuration and Verification 195

    Configuring and Verifying HSRP 195

    Configuring and Verifying GLBP 198

Exam Preparation Tasks 202

Command Reference to Check Your Memory 202

Chapter 7 Virtual Private Networks 205

“Do I Know This Already?” Quiz 205

Foundation Topics 207

VPN Fundamentals 207

    IPsec VPNs 209

    SSL VPNs 211

GRE Tunnels 212

    GRE Tunnel Concepts 212

        Routing over GRE Tunnels 213

        GRE Tunnels over the Unsecured Network 214

    Configuring GRE Tunnels 216

    Verifying a GRE Tunnel 218

Exam Preparation Tasks 221

Command Reference to Check Your Memory 221

Part II Review 224

Part III: IP Version 4 Routing Protocols 229

Chapter 8 Implementing OSPF for IPv4 231

“Do I Know This Already?” Quiz 231

Foundation Topics 234

OSPF Protocols and Operation 234

    OSPF Overview 234

    Becoming Neighbors and Exchanging the LSDB 235

        Agreeing to Become Neighbors 236

        Fully Exchanging LSAs with Neighbors 237

        Maintaining Neighbors and the LSDB 238

        Using Designated Routers on Ethernet Links 239

    Scaling OSPF Using Areas 240

        OSPF Areas 241

        How Areas Reduce SPF Calculation Time 242

        OSPF Area Design Advantages 243

    Link-State Advertisements 244

        Router LSAs Build Most of the Intra-Area Topology 245

        Network LSAs Complete the Intra-Area Topology 245

        LSAs in a Multi-Area Design 247

    Calculating the Best Routes with SPF 248

    Administrative Distance 250

OSPF Configuration and Verification 251

    OSPFv2 Configuration Overview 251

    Multi-Area OSPFv2 Configuration Example 252

        Single-Area Configurations 254

        Multi-Area Configuration 255

    Verifying the Multi-Area Configuration 256

        Verifying the Correct Areas on Each Interface on an ABR 256

        Verifying Which Router Is DR and BDR 257

        Verifying the Number and Type of LSAs 258

        Verifying OSPF Routes 259

    OSPF Metrics (Cost) 259

        Setting the Cost Based on Interface Bandwidth 260

        The Need for a Higher Reference Bandwidth 261

    OSPF Load Balancing 262

Exam Preparation Tasks 263

Command Reference to Check Your Memory 264

Chapter 9 Understanding EIGRP Concepts 267

“Do I Know This Already?” Quiz 267

Foundation Topics 269

EIGRP and Distance Vector Routing Protocols 269

    Introduction to EIGRP 269

    Basic Distance Vector Routing Protocol Features 271

        The Concept of a Distance and a Vector 271

        Full Update Messages and Split Horizon 273

        Route Poisoning 275

    EIGRP as an Advanced DV Protocol 276

        EIGRP Sends Partial Update Messages, As Needed 276

        EIGRP Maintains Neighbor Status Using Hello 276

        Summary of Interior Routing Protocol Features 277

EIGRP Concepts and Operation 278

    EIGRP Neighbors 278

    Exchanging EIGRP Topology Information 279

    Calculating the Best Routes for the Routing Table 280

        The EIGRP Metric Calculation 280

        An Example of Calculated EIGRP Metrics 281

        Caveats with Bandwidth on Serial Links 283

    EIGRP Convergence 284

        Feasible Distance and Reported Distance 284

        EIGRP Successors and Feasible Successors 285

        The Query and Reply Process 287

Exam Preparation Tasks 288

Chapter 10 Implementing EIGRP for IPv4 291

“Do I Know This Already?” Quiz 291

Foundation Topics 294

Core EIGRP Configuration and Verification 294

    EIGRP Configuration 294

    Configuring EIGRP Using a Wildcard Mask 296

    Verifying EIGRP Core Features 296

        Finding the Interfaces on Which EIGRP is Enabled 297

        Displaying EIGRP Neighbor Status 300

        Displaying the IPv4 Routing Table 301

EIGRP Metrics, Successors, and Feasible Successors 302

    Viewing the EIGRP Topology Table 303

        Finding Successor Routes 305

        Finding Feasible Successor Routes 306

        Convergence Using the Feasible Successor Route 308

    Examining the Metric Components 310

Other EIGRP Configuration Settings 311

    Load Balancing Across Multiple EIGRP Routes 311

    Tuning the EIGRP Metric Calculation 313

    Autosummarization and Discontiguous Classful Networks 314

        Automatic Summarization at the Boundary of a Classful Network 314

        Discontiguous Classful Networks 315

Exam Preparation Tasks 318

Command Reference to Check Your Memory 318

Chapter 11 Troubleshooting IPv4 Routing Protocols 323

“Do I Know This Already?” Quiz 323

Foundation Topics 324

Perspectives on Troubleshooting Routing Protocol Problems 324

Interfaces Enabled with a Routing Protocol 325

    EIGRP Interface Troubleshooting 327

        Examining Working EIGRP Interfaces 327

        Examining the Problems with EIGRP Interfaces 330

    OSPF Interface Troubleshooting 332

Neighbor Relationships 335

    EIGRP Neighbor Verification Checks 337

    EIGRP Neighbor Troubleshooting Example 338

    OSPF Neighbor Troubleshooting 339

        Finding Area Mismatches 341

        Finding Duplicate OSPF Router IDs 342

        Finding OSPF Hello and Dead Timer Mismatches 343

    Other OSPF Issues 345

        Mismatched OSPF Network Types 345

        Mismatched MTU Settings 346

Exam Preparation Tasks 348

Command Reference to Check Your Memory 348

Part III Review 352

Part IV: Wide-Area Networks 357

Chapter 12 Implementing Point-to-Point WANs 359

“Do I Know This Already?” Quiz 359

Foundation Topics 362

Leased Line WANs with HDLC 362

    Layer 1 Leased Lines 363

        The Physical Components of a Leased Line 363

        Leased Lines and the T-Carrier System 365

        The Role of the CSU/DSU 367

        Building a WAN Link in a Lab 367

    Layer 2 Leased Lines with HDLC 368

    Configuring HDLC 370

Leased-Line WANs with PPP 373

    PPP Concepts 373

        PPP Framing 374

        PPP Control Protocols 374

        PPP Authentication 375

    Configuring PPP 376

    CHAP Configuration and Verification 377

Troubleshooting Serial Links 378

    Troubleshooting Layer 1 Problems 379

    Troubleshooting Layer 2 Problems 380

        Keepalive Failure 381

        PAP and CHAP Authentication Failure 382

    Troubleshooting Layer 3 Problems 383

Exam Preparation Tasks 386

Command Reference to Check Your Memory 386

Chapter 13 Understanding Frame Relay Concepts 389

“Do I Know This Already?” Quiz 389

Foundation Topics 392

Frame Relay Overview 392

    Virtual Circuits 394

    LMI and Encapsulation Types 396

    Frame Relay Encapsulation and Framing 397

Frame Relay Addressing 398

    Frame Relay Local Addressing 398

    Frame Forwarding with One DLCI Field 399

Network Layer Addressing with Frame Relay 401

    Frame Relay Layer 3 Addressing: One Subnet Containing All Frame Relay DTEs 401

    Frame Relay Layer 3 Addressing: One Subnet Per VC 402

    Frame Relay Layer 3 Addressing: Hybrid Approach 404

Exam Preparation Tasks 406

Chapter 14 Implementing Frame Relay 409

“Do I Know This Already?” Quiz 409

Foundation Topics 412

Frame Relay Configuration and Verification 412

    Planning a Frame Relay Configuration 412

    Configuring Using Physical Interfaces and One IP Subnet 413

    Configuring the Encapsulation and LMI 415

    Frame Relay Address Mapping 416

    Configuring Point-to-Point Subinterfaces 421

    Configuring with Multipoint Subinterfaces 426

    OSPF Issues on Frame Relay Multipoint and Physical Interfaces 429

Frame Relay Troubleshooting 430

    A Suggested Frame Relay Troubleshooting Process 430

    Layer 1 Issues on the Access Link (Step 1) 432

    Layer 2 Issues on the Access Link (Step 2) 432

    PVC Problems and Status (Step 3) 433

    Frame Relay Mapping Issues (Step 4) 440

    End-to-End Encapsulation (Step 5) 441

    Mismatched Subnet Numbers (Step 6) 441

Exam Preparation Tasks 442

Command Reference to Check Your Memory 442

Chapter 15 Identifying Other Types of WANs 445

“Do I Know This Already?” Quiz 445

Foundation Topics 447

Private WANs to Connect Enterprises 447

    Leased Lines 447

    Frame Relay 449

    Ethernet WANs 449

    MPLS 451

    VSAT 452

Public WANs and Internet Access 453

    Internet Access (WAN) Links 453

    Dial Access with Modems and ISDN 454

    Digital Subscriber Line 456

    Cable Internet 457

    Mobile Phone Access with 3G/4G 459

    PPP over Ethernet 460

Exam Preparation Tasks 463

Part IV Review 464

Part V: IP Version 6 469

Chapter 16 Troubleshooting IPv6 Routing 471

“Do I Know This Already?” Quiz 471

Foundation Topics 472

Normal IPv6 Operation 472

    Unicast IPv6 Addresses and IPv6 Subnetting 472

    Assigning Addresses to Hosts 475

        Stateful DHCPv6 475

        Stateless Address Autoconfiguration 476

        Router Address and Static Route Configuration 477

        Configuring IPv6 Routing and Addresses on Routers 477

        IPv6 Static Routes on Routers 478

    Verifying IPv6 Connectivity 479

        Verifying Connectivity from IPv6 Hosts 479

        Verifying IPv6 from Routers 481

Troubleshooting IPv6 483

    Pings from the Host Work Only in Some Cases 484

    Pings Fail from a Host to Its Default Router 486

    Problems Using Any Function That Requires DNS 487

    Host Is Missing IPv6 Settings: Stateful DHCP Issues 488

    Host Is Missing IPv6 Settings: SLAAC Issues 489

    Traceroute Shows Some Hops, But Fails 490

    Routing Looks Good, But Traceroute Still Fails 492

Exam Preparation Tasks 494

Command Reference to Check Your Memory 495

Chapter 17 Implementing OSPF for IPv6 499

“Do I Know This Already?” Quiz 499

Foundation Topics 502

OSPFv3 Configuration 502

    OSPFv3 ICND1 Configuration Review 502

    Example Multi-Area OSPFv3 Configuration 503

        Single Area Configuration on the Three Internal Routers 504

        Adding Multi-Area Configuration on the Area Border Router 506

    Other OSPFv3 Configuration Settings 507

        Setting OSPFv3 Interface Cost to Influence Route Selection 507

        OSPF Load Balancing 508

        Injecting Default Routes 508

OSPF Concepts, Verification, and Troubleshooting 509

    OSPFv3 Interfaces 511

        Verifying OSPFv3 Interfaces 511

        Troubleshooting OSPFv3 Interfaces 512

    OSPFv3 Neighbors 513

        Verifying OSPFv3 Neighbors 513

        Troubleshooting OSPFv3 Neighbors 514

    OSPFv3 LSDB and LSAs 517

        Verifying OSPFv3 LSAs 517

        Troubleshooting OSPFv3 LSAs 519

    OSPFv3 Metrics and IPv6 Routes 520

        Verifying OSPFv3 Interface Cost and Metrics 520

        Troubleshooting IPv6 Routes Added by OSPFv3 523

Exam Preparation Tasks 525

Command Reference to Check Your Memory 525

Chapter 18 Implementing EIGRP for IPv6 529

“Do I Know This Already?” Quiz 529

Foundation Topics 532

EIGRPv6 Configuration 532

    EIGRPv6 Configuration Basics 532

    EIGRPv6 Configuration Example 533

    Other EIGRPv6 Configuration Settings 536

        Setting Bandwidth and Delay to Influence EIGRPv6 Route Selection 536

        EIGRP Load Balancing 537

        EIGRP Timers 538

EIGRPv6 Concepts, Verification, and Troubleshooting 538

    EIGRPv6 Interfaces 539

    EIGRPv6 Neighbors 541

    EIGRPv6 Topology Database 543

    EIGRPv6 IPv6 Routes 545

Exam Preparation Tasks 547

Command Reference to Check Your Memory 547

Part V Review 550

Part VI: Network Management 555

Chapter 19 Managing Network Devices 557

“Do I Know This Already?” Quiz 557

Foundation Topics 560

Simple Network Management Protocol 560

    Describing SNMP 560

    The Management Information Base 562

    Configuring SNMP Version 2c 563

    SNMP Version 3 565

System Message Logging (Syslog) 566

    An Overview of System Message Logging 566

    System Message Format 567

    System Message Severity Levels 567

    Configuring and Verifying Syslog 568

    Using a Syslog Server 569

NetFlow 570

    An Overview of NetFlow 570

    Network Flows 571

    Configuring NetFlow 572

    Verifying and Using NetFlow 573

    The NetFlow Collector 575

Exam Preparation Tasks 576

Chapter 20 Managing IOS Files 579

“Do I Know This Already?” Quiz 579

Foundation Topics 581

Managing Cisco IOS Files 581

    Upgrading a Cisco IOS Software Image into Flash Memory 581

    The Cisco IOS Software Boot Sequence 584

        The Three Router Operating Systems 585

        The Configuration Register 586

        How a Router Chooses Which OS to Load 586

        Recovering If the IOS Does Not Load 588

        Verifying the IOS Image Using the show version Command 589

Password Recovery 591

    The General Ideas Behind Cisco Password Recovery/Reset 591

    A Specific Password Reset Example 592

Managing Configuration Files 595

    Configuration File Basics 595

    Copying and Erasing Configuration Files 597

    Initial Configuration (Setup Mode) 599

Exam Preparation Tasks 601

Command References 601

Chapter 21 Managing IOS Licensing 605

“Do I Know This Already?” Quiz 605

Foundation Topics 607

IOS Packaging 607

    IOS Images per Model, Series, and per Software Version/Release 607

    Original Packaging: One IOS Image per Feature Set Combination 608

    New IOS Packaging: One Universal Image with All Feature Sets 609

IOS Software Activation with Universal Images 609

    Managing Software Activation with Cisco License Manager 611

    Manually Activating Software Using Licenses 612

    Example of Manually Activating a License 614

        Showing the Current License Status 614

        Adding a Permanent Technology Package License 616

    Right-to-Use Licenses 618

Exam Preparation Tasks 621

Command Reference to Check Your Memory 621

Part VI Review 624

Part VII: Final Review 627

Chapter 22 Final Review 629

Advice About the Exam Event 629

    Learn the Question Types Using the Cisco Certification Exam Tutorial 629

    Think About Your Time Budget Versus Numbers of Questions 630

    A Suggested Time-Check Method 631

    Miscellaneous Pre-Exam Suggestions 631

    Exam-Day Advice 632

Exam Review 632

    Practice Subnetting and Other Math-Related Skills 633

    Take Practice Exams 635

        Practicing Taking the ICND2 Exam 635

        Practicing Taking the CCNA Exam 636

        Advice on How to Answer Exam Questions 638

        Taking Other Practice Exams 639

    Find Knowledge Gaps Through Question Review 640

    Practice Hands-On CLI Skills 642

        Review Mind Maps from Part Review 643

        Do Labs 643

    Other Study Tasks 643

    Final Thoughts 644

Part VIII: Appendixes 647

Appendix A Numeric Reference Tables 649

Appendix B ICND2 Exam Updates 657

Glossary 659

 

DVD-only Appendixes

 

Appendix C Answers to the “Do I Know This Already?” Quizzes

Appendix D Memory Tables

Appendix E Memory Tables Answer Key

Appendix F Mind Map Solutions

Appendix G Study Planner

 

9781587143731   TOC   3/22/2013

 

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