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CCNA Data Center DCICN 640-911 Official Cert Guide Premium Edition eBook and Practice Tests

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  • Copyright 2015
  • Edition: 1st
  • Premium Edition eBook
  • ISBN-10: 0-13-378784-2
  • ISBN-13: 978-0-13-378784-9

CCNA Data Center DCICN 640-911 Official Cert Guide, Premium Edition eBook and Practice Test
The exciting new CCNA Data Center DCICN 640-911 Official Cert Guide, Premium Edition eBook and Practice Test is a digital-only certification preparation product combining an eBook with enhanced Pearson IT Certification Practice Test. The Premium Edition eBook and Practice Test contains the following items:

* The CCNA Data Center DCICN 640-911 Premium Edition Practice Test, including more than 400 practice exam questions and enhanced practice test features
* PDF and EPUB formats of the CCNA Data Center DCICN 640-911 Official Cert Guide from Cisco Press, which are accessible via your PC, tablet, and smartphone

About the Premium Edition Practice Test

This Premium Edition contains an enhanced version of the Pearson IT Certification Practice Test (PCPT) software with more than 400 practice test questions. In addition, it contains all the chapter-opening assessment questions from the book. This integrated learning package

* Enables you to focus on individual topic areas or take complete, timed exams
* Includes direct links from each question to detailed tutorials to help you understand the concepts behind the questions
* Provides unique sets of exam-realistic practice questions
* Tracks your performance and provides feedback on a module-by-module basis, laying out a complete assessment of your knowledge to help you focus your study where it is needed most

Pearson IT Certification Practice Test minimum system requirements:
Windows XP (SP3), Windows Vista (SP2), Windows 7, or Windows 8.1 (desktop UI only); Microsoft .NET Framework 4.0 Client; Pentium class 1GHz processor (or equivalent); 512 MB RAM; 650 MB disc space plus 50 MB for each downloaded practice exam; access to the Internet to register and download exam databases

About the Premium Edition eBook

CCNA Data Center DCICN 640-911 Official Cert Guide from Cisco Press enables you to succeed on the exam the first time and is the only self-study resource approved by Cisco. Expert instructors and engineers Wendell Odom and Chad Hintz share preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. 

This complete, official study package includes

* A test-preparation routine proven to help you pass the exam
* "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
* The powerful Pearson IT Certification Practice Test software, complete with hundreds of well-reviewed, exam-realistic questions, customization options, and detailed performance reports
* A final preparation chapter that guides you through tools and resources to help you craft your review and test-taking strategies
* A Nexus lab guide appendix, with advice for building hands-on Nexus labs
* Study plan suggestions and templates to help you organize and optimize your study time

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

The official study guide helps you master topics on the CCNA Data Center DCICN 640-911 exam, including

* Networking fundamentals
* Installing, operating, and configuring Nexus switches
* VLANs and trunking concepts and configuration
* Spanning Tree Protocol (STP) concepts and configuration
* IP addressing and subnetting
* IPv6 fundamentals
* Cisco Nexus IPv4 routing configuration and routing protocol implementation
* IPv4 access control lists (ACL) on Nexus switches


Table of Contents

Introduction xxxi
Getting Started 1
Part I: Networking Fundamentals 9
Chapter 1 The TCP/IP and OSI Networking Models 11
“Do I Know This Already?” Quiz 11
Foundation Topics 14
Perspectives on Networking 14
TCP/IP Networking Model 15
    History Leading to TCP/IP 16
    Overview of the TCP/IP Networking Model 17
    TCP/IP Application Layer 19
        HTTP Overview 19
        HTTP Protocol Mechanisms 20
    TCP/IP Transport Layer 21
        TCP Error Recovery Basics 21
        Same-Layer and Adjacent-Layer Interactions 22
    TCP/IP Network Layer 22
        Internet Protocol and the Postal Service 23
        Internet Protocol Addressing Basics 24
        IP Routing Basics 25
    TCP/IP Link Layer (Data Link Plus Physical) 26
    TCP/IP Model and Terminology 28
        Comparing the Original and Modern TCP/IP Models 28
        Data Encapsulation Terminology 28
        Names of TCP/IP Messages 30
OSI Networking Model 30
    Comparing OSI and TCP/IP 30
    Describing Protocols by Referencing the OSI Layers 31
    OSI Layers and Their Functions 32
    OSI Layering Concepts and Benefits 33
    OSI Encapsulation Terminology 34
Exam Preparation Tasks 36
Review All the Key Topics 36
Definitions of Key Terms 36
Chapter 2 Fundamentals of Ethernet LANs 39
“Do I Know This Already?” Quiz 39
Foundation Topics 42
An Overview of LANs 42
    Typical SOHO LANs 42
    Typical Enterprise Campus LANs 43
    Typical Data Center Ethernet LAN 44
    The Variety of Ethernet Physical Layer Standards 45
    Consistent Behavior over All Links Using the Ethernet Data Link Layer 46
Building Physical Ethernet Networks with UTP 47
    Transmitting Data Using Twisted Pairs 47
    Breaking Down a UTP Ethernet Link 48
    UTP Cabling Pinouts for 10BASE-T and 100BASE-T 51
        Straight-Through Cable Pinout 51
        Crossover Cable Pinout 53
        Choosing the Right Cable Pinouts 54
    UTP Cabling Pinouts for 1000BASE-T 55
Sending Data in Ethernet Networks 55
    Ethernet Data-Link Protocols 55
        Ethernet Addressing 56
        Identifying Network Layer Protocols with the Ethernet Type Field 58
        Error Detection with FCS 59
    Sending Ethernet Frames with Switches and Hubs 59
        Sending in Modern Ethernet LANs Using Full-Duplex 59
        Using Half-Duplex with LAN Hubs 60
Exam Preparation Tasks 63
Review All the Key Topics 63
Complete the Tables and Lists from Memory 63
Definitions of Key Terms 64
Chapter 3 Fundamentals of WANs 67
“Do I Know This Already?” Quiz 67
Foundation Topics 70
Leased Line WANs 70
    Positioning Leased Lines with LANs and Routers 70
    Physical Details of Leased Lines 71
        Leased Line Cabling 72
        Building a WAN Link in a Lab 73
    Data Link Details of Leased Lines 74
        HDLC Basics 74
        How Routers Use a WAN Data Link 75
Ethernet as a WAN Technology 77
    Ethernet WANs that Create a Layer 2 Service 78
    How Routers Route IP Packets Using Ethernet Emulation 79
Accessing the Internet 80
    The Internet as a Large WAN 80
    Internet Access (WAN) Links 81
    Digital Subscriber Line 82
    Cable Internet 84
Exam Preparation Tasks 86
Review All the Key Topics 86
Complete the Tables and Lists from Memory 86
Definitions of Key Terms 86
Chapter 4 Fundamentals of IPv4 Addressing and Routing 89
“Do I Know This Already?” Quiz 89
Foundation Topics 92
Overview of Network Layer Functions 92
    Network Layer Routing (Forwarding) Logic 92
        Host Forwarding Logic: Send the Packet to the Default Router 93
        R1 and R2’s Logic: Routing Data Across the Network 94
        R3’s Logic: Delivering Data to the End Destination 94
    How Network Layer Routing Uses LANs and WANs 94
    IP Addressing and How Addressing Helps IP Routing 95
    Routing Protocols 97
IPv4 Addressing 97
    Rules for IP Addresses 98
    Rules for Grouping IP Addresses 98
        Class A, B, and C IP Networks 99
        The Actual Class A, B, and C IP Networks 101
    IP Subnetting 103
IPv4 Routing 105
    IPv4 Host Routing 105
    Router Forwarding Decisions and the IP Routing Table 106
        A Summary of Router Forwarding Logic 106
        A Detailed Routing Example 107
IPv4 Routing Protocols 109
Other Network Layer Features 111
    Using Names and the Domain Name System 111
    The Address Resolution Protocol 112
    ICMP Echo and the ping Command 113
Exam Preparation Tasks 115
Review All the Key Topics 115
Complete the Tables and Lists from Memory 115
Definitions of Key Terms 115
Chapter 5 Fundamentals of TCP/IP Transport and Applications 117
“Do I Know This Already?” Quiz 117
Foundation Topics 120
TCP/IP Layer 4 Protocols: TCP and UDP 120
    Transmission Control Protocol 121
        Multiplexing Using TCP Port Numbers 122
        Popular TCP/IP Applications 125
        Connection Establishment and Termination 126
        Error Recovery and Reliability 127
        Flow Control Using Windowing 130
    User Datagram Protocol 131
TCP/IP Applications 132
    QoS Needs and the Impact of TCP/IP Applications 132
        Defining Interactive and Batch Applications 132
        Real-Time Voice and Video Applications 133
    The World Wide Web, HTTP, and SSL 134
        Uniform Resource Locators 134
        Finding the Web Server Using DNS 135
        Transferring Files with HTTP 137
        How the Receiving Host Identifies the Correct Receiving Application 138
Exam Preparation Tasks 140
Review All the Key Topics 140
Complete the Tables and Lists from Memory 140
Definitions of Key Terms 140
Part I Review 142
Part II: Ethernet LAN Basics 147

Chapter 6 Building Ethernet LANs with Switches 149
“Do I Know This Already?” Quiz 149
Foundation Topics 152
Ethernet History 152
    Early Ethernet with Coaxial Cabling 152
    Ethernet Devices 154
        Ethernet Repeaters 154
        10BASE-T with Hub 155
        Ethernet Transparent Bridges 157
        Ethernet Switches 158
    Ethernet Standards 159
        Ethernet Data-Link Protocols 160
        Ethernet Physical Layer Standards 161
        Ethernet Competition 162
Switching Logic 164
    Layer 2 Switching Basics 164
    The Forward Versus Filter Decision 165
        How Switches Learn MAC Addresses 167
        Flooding Frames 167
        Avoiding Loops Using Spanning Tree Protocol 168
    LAN Switching Summary 169
Design Choices in Ethernet LANs 170
    Collision Domains, Broadcast Domains, and VLANs 170
        Collision Domains 170
        Broadcast Domains 171
        Virtual LANs and Broadcast Domains 172
        The Impact of Collision and Broadcast Domains on LAN Design 173
    Ethernet LAN Media and Cable Lengths 174
    Autonegotiation 175
        Autonegotiation Results When Only One Node Uses Autonegotiation 176
        Autonegotiation and LAN Hubs 178
Exam Preparation Tasks 179
Review All the Key Topics 179
Complete the Tables and Lists from Memory 179
Definitions of Key Terms 180
Chapter 7 Installing and Operating Nexus Switches 183
“Do I Know This Already?” Quiz 183
Foundation Topics 186
Accessing the Cisco Nexus 5500 Switch CLI 186
    Cisco Nexus Switches and the 5500 Switch 186
    Accessing the Cisco NX-OS CLI 186
        Cabling the Console Connection 187
        Configuring the Terminal Emulator for the Console 188
        Accessing the CLI with Telnet and SSH in NX-OS 189
        Management Interface 190
        Password Security for CLI Access 191
    User Settings 192
        CLI Help Features 194
    The debug and show Commands 196
Introduction to Cisco NX-OS 196
    Software Modularity in Cisco NX-OS 197
    Service Restart in Cisco NX-OS 198
    Software High Availability in Cisco NX-OS 199
        In-Service Software Upgrades 199
    Cisco NX-OS Licensing 200
    Cisco NX-OS and Cisco IOS Comparison 201
Configuring Cisco NX-OS Software 202
    Configuration Submodes and Contexts 202
    Storing Switch Configuration Files 204
    Copying and Erasing Configuration Files 206
    Initial Configuration (Setup Mode) 208
NX-OS Version and Other Reload Facts 209
Exam Preparation Tasks 211
Review All the Key Topics 211
Complete the Tables and Lists from Memory 211
Definitions of Key Terms 211
Command References 211
Chapter 8 Configuring Ethernet Switching 215
“Do I Know This Already?” Quiz 215
Foundation Topics 217
Configuration of Features in Common on all Nexus Switches 217
    Securing the Switch CLI 217
        Securing Access with Local Usernames and Passwords 217
        Securing Access with External Authentication Servers 218
        Configuring Secure Shell 219
        Banners 220
        History Buffer Commands 221
        The logging synchronous and exec-timeout Commands 222
Nexus Switch Configuration and Operation 222
    Switch Virtual Interface Concept Inside a Switch 223
    Configuring IPv4 on a Cisco Nexus Switch 223
    Verifying IPv4 on a Switch 224
    Configuring Switch Interfaces 225
    Securing Unused Switch Interfaces 226
    Predicting the Contents of the MAC Address Table 227
        Scenario 1: Communication Between S1 and S2 228
        Scenario 2: Communication from S1 to S3 228
Exam Preparation Tasks 230
Review All the Key Topics 230
Complete the Tables and Lists from Memory 230
Definitions of Key Terms 230
Command References 230
Part II Review 234
Part III: Ethernet Virtual LANs and Spanning Tree 239
Chapter 9
VLAN and Trunking Concepts 241
“Do I Know This Already?” Quiz 241
Foundation Topics 244
Virtual LANs and VLAN Trunks 244
    Creating Multiswitch VLANs Using Trunking 245
    The 802.1Q and ISL VLAN Trunking Protocols 247
Forwarding Data Between VLANs 248
    Routing Packets Between VLANs with a Router 249
    Routing Packets with a Layer 3 Switch 251
VLAN Trunking Protocol 252
    VTP Functions 252
    Making VTP Work with VTP Servers and Clients 253
    Disabling VTP 256
    Summary of VTP Features 257
Exam Preparation Tasks 259
Review All the Key Topics 259
Complete the Tables and Lists from Memory 259
Definitions of Key Terms 259
Chapter 10 VLAN Trunking and Configuration 261
“Do I Know This Already?” Quiz 261
Foundation Topics 264
VLAN Configuration and Verification 264
    VLAN Guidelines for Cisco Nexus Switches 264
    Creating VLANs and Assigning Access VLANs to an Interface 265
        VLAN Configuration Example 1: Full VLAN Configuration 265
        VLAN Configuration Example 2: Shorter VLAN Configuration 268
VLAN Trunking Configuration and Verification 268
    Controlling Which VLANs Can Be Supported on a Trunk 271
VTP Configuration and Verification 275
    Enabling VTP 275
    Limiting VTP Using Pruning 278
Exam Preparation Tasks 280
Review All the Key Topics 280
Complete the Tables and Lists from Memory 280
Command Reference to Check Your Memory 280
Chapter 11 Spanning Tree Protocol Concepts 283
“Do I Know This Already?” Quiz 283
Foundation Topics 286
Spanning Tree Protocol (IEEE 802.1D) 286
    The Need for Spanning Tree 286
    What IEEE 802.1D Spanning Tree Does 288
        How Spanning Tree Works 290
        The STP Bridge ID and Hello BPDU 291
        Electing the Root Switch 292
        Choosing Each Switch’s Root Port 294
        Tiebreakers for Root Port 296
        Choosing the Designated Port on Each LAN Segment 296
    Influencing and Changing the STP Topology 297
        Making Configuration Changes to Influence the STP Topology 298
        Reacting to State Changes That Affect the STP Topology 298
        How Switches React to Changes with STP 299
        Changing Interface States with STP 300
Optional STP Features 301
    EtherChannel 302
    PortFast 303
    BPDU Guard 303
Rapid STP (IEEE 802.1w) 304
    RSTP and the Alternate (Root) Port 305
    RSTP States and Processes 306
        RSTP Backup (Designated) Ports 307
Exam Preparation Tasks 309
Review All the Key Topics 309
Complete the Tables and Lists from Memory 309
Definitions of Key Terms 309
Chapter 12 Cisco Nexus Spanning Tree Protocol Implementation 311
“Do I Know This Already?” Quiz 311
Foundation Topics 314
STP Configuration and Verification 314
    Connecting STP Concepts to STP Configuration Options 315
        Per-VLAN Configuration Settings 315
        The Bridge ID and System ID Extension 316
        Per-VLAN Port Costs 317
        STP Configuration Option Summary 317
    Verifying STP Operation 318
Improving STP Operation 321
    Configuring STP Port Costs 321
    Configuring Priority to Influence the Root Election 322
    Spanning-Tree Port Types 324
    Configuring PortFast and BPDU Guard 324
    Configuring EtherChannel 326
        Configuring a Manual EtherChannel 326
        Configuring Dynamic EtherChannels 328
    Troubleshooting EtherChannel 329
        Incorrect Options on the channel-group Command 329
        Configuration Checks Before Adding Interfaces to EtherChannels 331
Exam Preparation Tasks 333
Review All the Key Topics 333
Definitions of Key Terms 333
Command Reference to Check Your Memory 333
Part III Review 336
Part IV: IP Addressing and Subnetting 341
Chapter 13
Perspectives on IPv4 Subnetting 343
“Do I Know This Already?” Quiz 343
Foundation Topics 346
Introduction to Subnetting 346
    Subnetting Defined Through a Simple Example 346
    Operational View Versus Design View of Subnetting 347
Analyze Subnetting and Addressing Needs 348
    Rules About Which Hosts Are in Which Subnet 348
    Subnet Rules with Layer 3 Switches 349
    Determine the Number of Subnets 351
    Determine the Number of Hosts per Subnet 353
    One Size Subnet Fits All (Or Not) 354
        Defining the Size of a Subnet 354
        One Size Subnet Fits All 355
        Multiple Subnet Sizes (Variable-Length Subnet Masks) 356
Make Design Choices 357
    Choose a Classful Network 357
        Public IP Networks 357
        Growth Exhausts the Public IP Address Space 358
        Private IP Networks 359
        Choose an IP Network During the Design Phase 360
    Choose the Mask 360
        Classful IP Networks Before Subnetting 361
        Borrow Host Bits to Create Subnet Bits 361
        Choose Enough Subnet and Host Bits 362
        Example Design:, 200 Subnets, 200 Hosts 364
        Masks and Mask Formats 364
    Build a List of All Subnets 365
Plan the Implementation 366
    Assign Subnets to Different Locations 367
    Choose Static and Dynamic Ranges per Subnet 367
Foundation Topics 369
Review All the Key Topics 369
Complete the Tables and Lists from Memory 369
Definitions of Key Terms 369
Chapter 14 Analyzing Classful IPv4 Networks 371
“Do I Know This Already?” Quiz 371
Foundation Topics 374
Classful Network Concepts 374
    IPv4 Network Classes and Related Facts 374
        Actual Class A, B, and C Networks 375
        Address Formats 376
        Default Masks 377
    Number of Hosts per Network 377
    Deriving the Network ID and Related Numbers 378
    Unusual Network IDs and Network Broadcast Addresses 380
Practice with Classful Networks 381
    Practice Deriving Key Facts Based on an IP Address 381
    Practice Remembering the Details of Address Classes 382
    Additional Practice 383
Exam Preparation Tasks 384
Review All the Key Topics 384
Complete the Tables and Lists from Memory 384
Definitions of Key Terms 384
Practice 384
    Answers to Earlier Practice Problems 385
    Answers to Practice Problem 7 (From Table 14-5) 385
    Answers to Practice Problem 8 (From Table 14-5) 386
    Answers to Practice Problem 9 (From Table 14-5) 386
Chapter 15 Analyzing Subnet Masks 389
“Do I Know This Already?” Quiz 389
Foundation Topics 392
Subnet Mask Conversion 392
    Three Mask Formats 392
    Converting Between Binary and Prefix Masks 393
    Converting Between Binary and DDN Masks 394
    Converting Between Prefix and DDN Masks 396
    Practice Converting Subnet Masks 397
Identifying Subnet Design Choices Using Masks 398
    Masks Divide the Subnet’s Addresses into Two Parts 399
    Masks and Class Divide Addresses into Three Parts 400
    Classless and Classful Addressing 401
    Calculations Based on the IPv4 Address Format 401
    Practice Analyzing Subnet Masks 403
Exam Preparation Tasks 405
Review All the Key Topics 405
Complete the Tables and Lists from Memory 405
Definitions of Key Terms 405
Practice 405
Answers to Earlier Practice Problems 406
Chapter 16 Analyzing Existing Subnets 409
“Do I Know This Already?” Quiz 409
Foundation Topics 412
Defining a Subnet 412
    An Example with Network and Four Subnets 412
    Subnet ID Concepts 414
    Subnet Broadcast Address 415
    Range of Usable Addresses 415
Analyzing Existing Subnets: Binary 416
    Finding the Subnet ID: Binary 416
    Finding the Subnet Broadcast Address: Binary 418
    Binary Practice Problems 419
    Shortcut for the Binary Process 420
    Brief Note About Boolean Math 422
    Finding the Range of Addresses 422
Analyzing Existing Subnets: Decimal 422
    Analysis with Easy Masks 423
    Predictability in the Interesting Octet 424
    Finding the Subnet ID: Difficult Masks 425
        Resident Subnet Example 1 426
        Resident Subnet Example 2 427
        Resident Subnet Practice Problems 427
    Finding the Subnet Broadcast Address: Difficult Masks 428
        Subnet Broadcast Example 1 428
        Subnet Broadcast Example 2 429
        Subnet Broadcast Address Practice Problems 430
Practice Analyzing Existing Subnets 430
    A Choice: Memorize or Calculate 430
    Additional Practice 431
Exam Preparation Tasks 432
Review All the Key Topics 432
Complete the Tables and Lists from Memory 432
Definitions of Key Terms 432
Practice 432
Answers to Earlier Practice Problems 433
Chapter 17 Fundamentals of IP Version 6 437
“Do I Know This Already?” Quiz 437
Foundation Topics 440
Introduction to IP Version 6 440
    The Need and Effect of a New Internet Protocol 440
        Additional Motivations for IPv6 441
        Many Protocols Updated 442
    Introduction to IPv6 Addresses and Prefixes 442
        Representing Full (Unabbreviated) IPv6 Addresses 443
        Abbreviating IPv6 Addresses 443
        Expanding IPv6 Addresses 444
        Representing the Prefix Length of an Address 445
        Calculating the IPv6 Prefix (Subnet ID) 445
    Assigning Unique IPv6 Prefixes Across the Globe 447
IPv6 Addressing and Subnetting 449
    Global Unicast Addresses and IPv6 Subnetting 449
        IPv6 Subnetting Concepts 450
        Assign Subnets and Addresses 452
        The Actual Global Unicast Addresses 453
    Unique Local Unicast Addresses 453
    Link Local Addresses 454
    IPv6 Multicast Addresses 455
    Miscellaneous IPv6 Addresses 456
Implementing IPv6 457
    IPv6 Address Assignment 457
        Dynamic Assignment of the Interface ID with EUI-64 457
        Discovering the IPv6 Prefix with SLAAC 459
        Dynamic Configuration Using Stateful DHCP 460
    IPv6 Transition and Coexistence 461
        Dual Stack 462
        Tunneling IPv6 Inside IPv4 462
Exam Preparation Tasks 464
Review All the Key Topics 464
Complete the Tables and Lists from Memory 464
Definitions of Key Terms 464
Answers to Earlier Practice Problems 464
Part IV Review 466
Part V: IPv4 Routing 471
Chapter 18
IPv4 Routing Concepts 473
“Do I Know This Already?” Quiz 473
Foundation Topics 475
IP Routing 475
    IPv4 Routing Process Reference 475
    An Example of IP Routing 478
        Host Forwards the IP Packet to the Default Router (Gateway) 478
        Routing Step 1: Decide Whether to Process the Incoming Frame 479
        Routing Step 2: Deencapsulation of the IP Packet 480
        Routing Step 3: Choosing Where to Forward the Packet 480
        Routing Step 4: Encapsulating the Packet in a New Frame 481
        Routing Step 5: Transmitting the Frame 482
    Internal Processing on Cisco Routers 482
        Potential Routing Performance Issues 483
        Cisco Router Fast Switching and CEF 483
Cisco Nexus Switch Operations with Routing 484
Exam Preparation Tasks 488
Review All the Key Topics 488
Complete the Tables and Lists from Memory 488
Definitions of Key Terms 488
Chapter 19 Cisco Nexus IPv4 Routing Configuration 491
“Do I Know This Already?” Quiz 491
Foundation Topics 494
Configuring Connected Routes on Cisco Nexus Switches 494
    Direct and Local Routes and the ip address Command 494
    Routing Between Subnets on VLANs 497
        Configuring Routing to VLANs Using a Layer 3 Switch 497
Configuring Static Routes 499
    Static Route Configuration 499
    Static Default Routes 501
Exam Preparation Tasks 502
Review All the Key Topics 502
Complete the Tables and Lists from Memory 502
Definitions of Key Terms 502
Command Reference to Check Your Memory 502
Chapter 20 IPv4 Routing Protocol Concepts 505
“Do I Know This Already?” Quiz 505
Foundation Topics 508
Introduction to Routing Protocols 508
    History of Interior Gateway Protocols 508
    Comparing IGPs 509
    Distance Vector Basics 511
        The Concept of a Distance and a Vector 511
        Full Update Messages and Split Horizon 512
        Monitoring Neighbor State with Periodic RIP Updates 513
        Split Horizon 513
        Route Poisoning 514
RIP Concepts and Operation 515
    Features of Both RIPv1 and RIPv2 515
    Differences Between RIPv1 and RIPv2 516
EIGRP Concepts and Operation 517
    EIGRP Maintains Neighbor Status Using Hello 518
    EIGRP Topology and the Metric Calculation 518
    EIGRP Convergence 519
    EIGRP Summary 521
Understanding the OSPF Link-State Routing Protocol 521
    OSPF Comparisons with EIGRP 521
    Building the OSPF LSDB and Creating IP Routes 522
        Topology Information and LSAs 522
        Applying Dijkstra SPF Math and OSPF Metrics to Find the Best Routes 524
    Scaling OSPF Through Hierarchical Design 525
Exam Preparation Tasks 528
Review All the Key Topics 528
Definitions of Key Terms 528
Chapter 21 Nexus Routing Protocol Configuration 531
“Do I Know This Already?” Quiz 531
Foundation Topics 533
RIP Version 2 Configuration on NX-OS 536
EIGRP Configuration on NX-OS 541
OSPF Configuration on NX-OS 546
Exam Preparation Tasks 551
Review All the Key Topics 551
Definitions of Key Terms 551
Command Reference to Check Your Memory 551
Chapter 22 IPv4 Access Control Lists on Cisco Nexus Switches 555
“Do I Know This Already?” Quiz 555
Foundation Topics 557
IPv4 Access Control List Basics 557
    ACL Location and Direction 557
    Matching Packets 558
    Taking Action When a Match Occurs 559
    Types of IP ACLs 559
    List Logic with IP ACLs 560
    Matching Logic and Command Syntax 562
    Matching TCP and UDP Port Numbers 562
    Implementing Cisco Nexus IPv4 ACLs 566
        ACL Example 1 566
        ACL Example 2 567
Practice Cisco Nexus IPv4 ACLs 568
    Practice Building access-list Commands 568
Exam Preparation Tasks 570
Review All the Key Topics 570
Definitions of Key Terms 570
Appendix H Practice Problems 570
Command Reference to Check Your Memory 570
Part V Review 572
Part VI: Final Preparation 577

Chapter 23 Final Review 579
Advice About the Exam Event 579
    Learn the Question Types Using the Cisco Certification Exam Tutorial 579
    Think About Your Time Budget Versus Numbers of Questions 580
    A Suggested Time-Check Method 581
    Miscellaneous Pre-Exam Suggestions 582
    Exam-Day Advice 582
Exam Review 583
    Practice Subnetting and Other Math-Related Skills 583
    Take Practice Exams 585
        Practicing Taking the DCICN Exam 585
        Advice on How to Answer Exam Questions 586
        Taking Other Practice Exams 587
    Find Knowledge Gaps Through Question Review 588
    Practice Hands-On CLI Skills 591
        Review Mind Maps from Part Review 591
    Other Study Tasks 591
    Final Thoughts 591
Part VII: Appendices 593
Appendix A Answers to the “Do I Know This Already?” Quizzes 595
Appendix B DCICN Exam Updates 613
Appendix C Numeric Reference Tables 615
Appendix D Nexus Lab Guide 623

DVD-only Appendices
Appendix E Practice for Chapter 14: Analyzing Classful IPv4 Networks
Appendix F Practice for Chapter 15: Analyzing Subnet Masks
Appendix G Practice for Chapter 16: Analyzing Existing Subnets
Appendix H Practice for Chapter 22: IPv4 Access Control Lists on Cisco Nexus Switches
Appendix I Memory Tables
Appendix J Memory Tables Answer Key

9780133787849  TOC   10/15/2014

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For orders and purchases placed through our online store on this site, we collect order details, name, institution name and address (if applicable), email address, phone number, shipping and billing addresses, credit/debit card information, shipping options and any instructions. We use this information to complete transactions, fulfill orders, communicate with individuals placing orders or visiting the online store, and for related purposes.


Pearson may offer opportunities to provide feedback or participate in surveys, including surveys evaluating Pearson products, services or sites. Participation is voluntary. Pearson collects information requested in the survey questions and uses the information to evaluate, support, maintain and improve products, services or sites; develop new products and services; conduct educational research; and for other purposes specified in the survey.

Contests and Drawings

Occasionally, we may sponsor a contest or drawing. Participation is optional. Pearson collects name, contact information and other information specified on the entry form for the contest or drawing to conduct the contest or drawing. Pearson may collect additional personal information from the winners of a contest or drawing in order to award the prize and for tax reporting purposes, as required by law.


If you have elected to receive email newsletters or promotional mailings and special offers but want to unsubscribe, simply email

Service Announcements

On rare occasions it is necessary to send out a strictly service related announcement. For instance, if our service is temporarily suspended for maintenance we might send users an email. Generally, users may not opt-out of these communications, though they can deactivate their account information. However, these communications are not promotional in nature.

Customer Service

We communicate with users on a regular basis to provide requested services and in regard to issues relating to their account we reply via email or phone in accordance with the users' wishes when a user submits their information through our Contact Us form.

Other Collection and Use of Information

Application and System Logs

Pearson automatically collects log data to help ensure the delivery, availability and security of this site. Log data may include technical information about how a user or visitor connected to this site, such as browser type, type of computer/device, operating system, internet service provider and IP address. We use this information for support purposes and to monitor the health of the site, identify problems, improve service, detect unauthorized access and fraudulent activity, prevent and respond to security incidents and appropriately scale computing resources.

Web Analytics

Pearson may use third party web trend analytical services, including Google Analytics, to collect visitor information, such as IP addresses, browser types, referring pages, pages visited and time spent on a particular site. While these analytical services collect and report information on an anonymous basis, they may use cookies to gather web trend information. The information gathered may enable Pearson (but not the third party web trend services) to link information with application and system log data. Pearson uses this information for system administration and to identify problems, improve service, detect unauthorized access and fraudulent activity, prevent and respond to security incidents, appropriately scale computing resources and otherwise support and deliver this site and its services.

Cookies and Related Technologies

This site uses cookies and similar technologies to personalize content, measure traffic patterns, control security, track use and access of information on this site, and provide interest-based messages and advertising. Users can manage and block the use of cookies through their browser. Disabling or blocking certain cookies may limit the functionality of this site.

Do Not Track

This site currently does not respond to Do Not Track signals.


Pearson uses appropriate physical, administrative and technical security measures to protect personal information from unauthorized access, use and disclosure.


This site is not directed to children under the age of 13.


Pearson may send or direct marketing communications to users, provided that

  • Pearson will not use personal information collected or processed as a K-12 school service provider for the purpose of directed or targeted advertising.
  • Such marketing is consistent with applicable law and Pearson's legal obligations.
  • Pearson will not knowingly direct or send marketing communications to an individual who has expressed a preference not to receive marketing.
  • Where required by applicable law, express or implied consent to marketing exists and has not been withdrawn.

Pearson may provide personal information to a third party service provider on a restricted basis to provide marketing solely on behalf of Pearson or an affiliate or customer for whom Pearson is a service provider. Marketing preferences may be changed at any time.

Correcting/Updating Personal Information

If a user's personally identifiable information changes (such as your postal address or email address), we provide a way to correct or update that user's personal data provided to us. This can be done on the Account page. If a user no longer desires our service and desires to delete his or her account, please contact us at and we will process the deletion of a user's account.


Users can always make an informed choice as to whether they should proceed with certain services offered by Cisco Press. If you choose to remove yourself from our mailing list(s) simply visit the following page and uncheck any communication you no longer want to receive:

Sale of Personal Information

Pearson does not rent or sell personal information in exchange for any payment of money.

While Pearson does not sell personal information, as defined in Nevada law, Nevada residents may email a request for no sale of their personal information to

Supplemental Privacy Statement for California Residents

California residents should read our Supplemental privacy statement for California residents in conjunction with this Privacy Notice. The Supplemental privacy statement for California residents explains Pearson's commitment to comply with California law and applies to personal information of California residents collected in connection with this site and the Services.

Sharing and Disclosure

Pearson may disclose personal information, as follows:

  • As required by law.
  • With the consent of the individual (or their parent, if the individual is a minor)
  • In response to a subpoena, court order or legal process, to the extent permitted or required by law
  • To protect the security and safety of individuals, data, assets and systems, consistent with applicable law
  • In connection the sale, joint venture or other transfer of some or all of its company or assets, subject to the provisions of this Privacy Notice
  • To investigate or address actual or suspected fraud or other illegal activities
  • To exercise its legal rights, including enforcement of the Terms of Use for this site or another contract
  • To affiliated Pearson companies and other companies and organizations who perform work for Pearson and are obligated to protect the privacy of personal information consistent with this Privacy Notice
  • To a school, organization, company or government agency, where Pearson collects or processes the personal information in a school setting or on behalf of such organization, company or government agency.


This web site contains links to other sites. Please be aware that we are not responsible for the privacy practices of such other sites. We encourage our users to be aware when they leave our site and to read the privacy statements of each and every web site that collects Personal Information. This privacy statement applies solely to information collected by this web site.

Requests and Contact

Please contact us about this Privacy Notice or if you have any requests or questions relating to the privacy of your personal information.

Changes to this Privacy Notice

We may revise this Privacy Notice through an updated posting. We will identify the effective date of the revision in the posting. Often, updates are made to provide greater clarity or to comply with changes in regulatory requirements. If the updates involve material changes to the collection, protection, use or disclosure of Personal Information, Pearson will provide notice of the change through a conspicuous notice on this site or other appropriate way. Continued use of the site after the effective date of a posted revision evidences acceptance. Please contact us if you have questions or concerns about the Privacy Notice or any objection to any revisions.

Last Update: November 17, 2020