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Trust the best-selling Official Cert Guide series from Cisco Press to help you learn, prepare, and practice for exam success. This series is built with the objective of providing assessment, review, and practice to help ensure you are fully prepared for your certification exam. 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 timeWell 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 switchesCCNA Data Center DCICN 640-911 Official Cert Guide is part of a recommended learning path from Cisco that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. To find out more about instructor-led training, e-learning, and hands-on instruction offered by authorized Cisco Learning Partners worldwide, please visit www.cisco.com.The print edition of the CCNA Data Center DCICN 640-911 Official Cert Guide contains more than 200 practice exam questions.Also available from Cisco Press is the CCNA Data Center DCICN 640-911 Official Cert Guide Premium Edition eBook and Practice Test. This digital-only certification preparation product combines an eBook with enhanced Pearson IT Certification Practice Test. 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 additional 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 mostThis print book includes a 70% discount offer off the list price of the CCNA Data Center DCICN 640-911 Official Cert Guide Premium Edition eBook and Practice Test to help enhance your exam preparation experience.
Contents
Introduction xxxiGetting Started 1Part I: Networking Fundamentals 9Chapter 1 The TCP/IP and OSI Networking Models 11"Do I Know This Already?" Quiz 11Foundation Topics 14Perspectives on Networking 14TCP/IP Networking Model 15History Leading to TCP/IP 16Overview of the TCP/IP Networking Model 17TCP/IP Application Layer 19HTTP Overview 19HTTP Protocol Mechanisms 20TCP/IP Transport Layer 21TCP Error Recovery Basics 21Same-Layer and Adjacent-Layer Interactions 22TCP/IP Network Layer 22Internet Protocol and the Postal Service 23Internet Protocol Addressing Basics 24IP Routing Basics 25TCP/IP Link Layer (Data Link Plus Physical) 26TCP/IP Model and Terminology 28Comparing the Original and Modern TCP/IP Models 28Data Encapsulation Terminology 28Names of TCP/IP Messages 30OSI Networking Model 30Comparing OSI and TCP/IP 30Describing Protocols by Referencing the OSI Layers 31OSI Layers and Their Functions 32OSI Layering Concepts and Benefits 33OSI Encapsulation Terminology 34Exam Preparation Tasks 36Review All the Key Topics 36Definitions of Key Terms 36Chapter 2 Fundamentals of Ethernet LANs 39"Do I Know This Already?" Quiz 39Foundation Topics 42An Overview of LANs 42Typical SOHO LANs 42Typical Enterprise Campus LANs 43Typical Data Center Ethernet LAN 44The Variety of Ethernet Physical Layer Standards 45Consistent Behavior over All Links Using the Ethernet Data Link Layer 46Building Physical Ethernet Networks with UTP 47Transmitting Data Using Twisted Pairs 47Breaking Down a UTP Ethernet Link 48UTP Cabling Pinouts for 10BASE-T and 100BASE-T 51Straight-Through Cable Pinout 51Crossover Cable Pinout 53Choosing the Right Cable Pinouts 54UTP Cabling Pinouts for 1000BASE-T 55Sending Data in Ethernet Networks 55Ethernet Data-Link Protocols 55Ethernet Addressing 56Identifying Network Layer Protocols with the Ethernet Type Field 58Error Detection with FCS 59Sending Ethernet Frames with Switches and Hubs 59Sending in Modern Ethernet LANs Using Full-Duplex 59Using Half-Duplex with LAN Hubs 60Exam Preparation Tasks 63Review All the Key Topics 63Complete the Tables and Lists from Memory 63Definitions of Key Terms 64Chapter 3 Fundamentals of WANs 67"Do I Know This Already?" Quiz 67Foundation Topics 70Leased Line WANs 70Positioning Leased Lines with LANs and Routers 70Physical Details of Leased Lines 71Leased Line Cabling 72Building a WAN Link in a Lab 73Data Link Details of Leased Lines 74HDLC Basics 74How Routers Use a WAN Data Link 75Ethernet as a WAN Technology 77Ethernet WANs that Create a Layer 2 Service 78How Routers Route IP Packets Using Ethernet Emulation 79Accessing the Internet 80The Internet as a Large WAN 80Internet Access (WAN) Links 81Digital Subscriber Line 82Cable Internet 84Exam Preparation Tasks 86Review All the Key Topics 86Complete the Tables and Lists from Memory 86Definitions of Key Terms 86Chapter 4 Fundamentals of IPv4 Addressing and Routing 89"Do I Know This Already?" Quiz 89Foundation Topics 92Overview of Network Layer Functions 92Network Layer Routing (Forwarding) Logic 92Host Forwarding Logic: Send the Packet to the Default Router 93R1 and R2's Logic: Routing Data Across the Network 94R3's Logic: Delivering Data to the End Destination 94How Network Layer Routing Uses LANs and WANs 94IP Addressing and How Addressing Helps IP Routing 95Routing Protocols 97IPv4 Addressing 97Rules for IP Addresses 98Rules for Grouping IP Addresses 98Class A, B, and C IP Networks 99The Actual Class A, B, and C IP Networks 101IP Subnetting 103IPv4 Routing 105IPv4 Host Routing 105Router Forwarding Decisions and the IP Routing Table 106A Summary of Router Forwarding Logic 106A Detailed Routing Example 107IPv4 Routing Protocols 109Other Network Layer Features 111Using Names and the Domain Name System 111The Address Resolution Protocol 112ICMP Echo and the ping Command 113Exam Preparation Tasks 115Review All the Key Topics 115Complete the Tables and Lists from Memory 115Definitions of Key Terms 115Chapter 5 Fundamentals of TCP/IP Transport and Applications 117"Do I Know This Already?" Quiz 117Foundation Topics 120TCP/IP Layer 4 Protocols: TCP and UDP 120Transmission Control Protocol 121Multiplexing Using TCP Port Numbers 122Popular TCP/IP Applications 125Connection Establishment and Termination 126Error Recovery and Reliability 127Flow Control Using Windowing 130User Datagram Protocol 131TCP/IP Applications 132QoS Needs and the Impact of TCP/IP Applications 132Defining Interactive and Batch Applications 132Real-Time Voice and Video Applications 133The World Wide Web, HTTP, and SSL 134Uniform Resource Locators 134Finding the Web Server Using DNS 135Transferring Files with HTTP 137How the Receiving Host Identifies the Correct Receiving Application 138Exam Preparation Tasks 140Review All the Key Topics 140Complete the Tables and Lists from Memory 140Definitions of Key Terms 140Part I Review 142Part II: Ethernet LAN Basics 147Chapter 6 Building Ethernet LANs with Switches 149"Do I Know This Already?" Quiz 149Foundation Topics 152Ethernet History 152Early Ethernet with Coaxial Cabling 152Ethernet Devices 154Ethernet Repeaters 15410BASE-T with Hub 155Ethernet Transparent Bridges 157Ethernet Switches 158Ethernet Standards 159Ethernet Data-Link Protocols 160Ethernet Physical Layer Standards 161Ethernet Competition 162Switching Logic 164Layer 2 Switching Basics 164The Forward Versus Filter Decision 165How Switches Learn MAC Addresses 167Flooding Frames 167Avoiding Loops Using Spanning Tree Protocol 168LAN Switching Summary 169Design Choices in Ethernet LANs 170Collision Domains, Broadcast Domains, and VLANs 170Collision Domains 170Broadcast Domains 171Virtual LANs and Broadcast Domains 172The Impact of Collision and Broadcast Domains on LAN Design 173Ethernet LAN Media and Cable Lengths 174Autonegotiation 175Autonegotiation Results When Only One Node Uses Autonegotiation 176Autonegotiation and LAN Hubs 178Exam Preparation Tasks 179Review All the Key Topics 179Complete the Tables and Lists from Memory 179Definitions of Key Terms 180Chapter 7 Installing and Operating Nexus Switches 183"Do I Know This Already?" Quiz 183Foundation Topics 186Accessing the Cisco Nexus 5500 Switch CLI 186Cisco Nexus Switches and the 5500 Switch 186Accessing the Cisco NX-OS CLI 186Cabling the Console Connection 187Configuring the Terminal Emulator for the Console 188Accessing the CLI with Telnet and SSH in NX-OS 189Management Interface 190Password Security for CLI Access 191User Settings 192CLI Help Features 194The debug and show Commands 196Introduction to Cisco NX-OS 196Software Modularity in Cisco NX-OS 197Service Restart in Cisco NX-OS 198Software High Availability in Cisco NX-OS 199In-Service Software Upgrades 199Cisco NX-OS Licensing 200Cisco NX-OS and Cisco IOS Comparison 201Configuring Cisco NX-OS Software 202Configuration Submodes and Contexts 202Storing Switch Configuration Files 204Copying and Erasing Configuration Files 206Initial Configuration (Setup Mode) 208NX-OS Version and Other Reload Facts 209Exam Preparation Tasks 211Review All the Key Topics 211Complete the Tables and Lists from Memory 211Definitions of Key Terms 211Command References 211Chapter 8 Configuring Ethernet Switching 215"Do I Know This Already?" Quiz 215Foundation Topics 217Configuration of Features in Common on all Nexus Switches 217Securing the Switch CLI 217Securing Access with Local Usernames and Passwords 217Securing Access with External Authentication Servers 218Configuring Secure Shell 219Banners 220History Buffer Commands 221The logging synchronous and exec-timeout Commands 222Nexus Switch Configuration and Operation 222Switch Virtual Interface Concept Inside a Switch 223Configuring IPv4 on a Cisco Nexus Switch 223Verifying IPv4 on a Switch 224Configuring Switch Interfaces 225Securing Unused Switch Interfaces 226Predicting the Contents of the MAC Address Table 227Scenario 1: Communication Between S1 and S2 228Scenario 2: Communication from S1 to S3 228Exam Preparation Tasks 230Review All the Key Topics 230Complete the Tables and Lists from Memory 230Definitions of Key Terms 230Command References 230Part II Review 234Part III: Ethernet Virtual LANs and Spanning Tree 239Chapter 9 VLAN and Trunking Concepts 241"Do I Know This Already?" Quiz 241Foundation Topics 244Virtual LANs and VLAN Trunks 244Creating Multiswitch VLANs Using Trunking 245The 802.1Q and ISL VLAN Trunking Protocols 247Forwarding Data Between VLANs 248Routing Packets Between VLANs with a Router 249Routing Packets with a Layer 3 Switch 251VLAN Trunking Protocol 252VTP Functions 252Making VTP Work with VTP Servers and Clients 253Disabling VTP 256Summary of VTP Features 257Exam Preparation Tasks 259Review All the Key Topics 259Complete the Tables and Lists from Memory 259Definitions of Key Terms 259Chapter 10 VLAN Trunking and Configuration 261"Do I Know This Already?" Quiz 261Foundation Topics 264VLAN Configuration and Verification 264VLAN Guidelines for Cisco Nexus Switches 264Creating VLANs and Assigning Access VLANs to an Interface 265VLAN Configuration Example 1: Full VLAN Configuration 265VLAN Configuration Example 2: Shorter VLAN Configuration 268VLAN Trunking Configuration and Verification 268Controlling Which VLANs Can Be Supported on a Trunk 271VTP Configuration and Verification 275Enabling VTP 275Limiting VTP Using Pruning 278Exam Preparation Tasks 280Review All the Key Topics 280Complete the Tables and Lists from Memory 280Command Reference to Check Your Memory 280Chapter 11 Spanning Tree Protocol Concepts 283"Do I Know This Already?" Quiz 283Foundation Topics 286Spanning Tree Protocol (IEEE 802.1D) 286The Need for Spanning Tree 286What IEEE 802.1D Spanning Tree Does 288How Spanning Tree Works 290The STP Bridge ID and Hello BPDU 291Electing the Root Switch 292Choosing Each Switch's Root Port 294Tiebreakers for Root Port 296Choosing the Designated Port on Each LAN Segment 296Influencing and Changing the STP Topology 297Making Configuration Changes to Influence the STP Topology 298Reacting to State Changes That Affect the STP Topology 298How Switches React to Changes with STP 299Changing Interface States with STP 300Optional STP Features 301EtherChannel 302PortFast 303BPDU Guard 303Rapid STP (IEEE 802.1w) 304RSTP and the Alternate (Root) Port 305RSTP States and Processes 306RSTP Backup (Designated) Ports 307Exam Preparation Tasks 309Review All the Key Topics 309Complete the Tables and Lists from Memory 309Definitions of Key Terms 309Chapter 12 Cisco Nexus Spanning Tree Protocol Implementation 311"Do I Know This Already?" Quiz 311Foundation Topics 314STP Configuration and Verification 314Connecting STP Concepts to STP Configuration Options 315Per-VLAN Configuration Settings 315The Bridge ID and System ID Extension 316Per-VLAN Port Costs 317STP Configuration Option Summary 317Verifying STP Operation 318Improving STP Operation 321Configuring STP Port Costs 321Configuring Priority to Influence the Root Election 322Spanning-Tree Port Types 324Configuring PortFast and BPDU Guard 324Configuring EtherChannel 326Configuring a Manual EtherChannel 326Configuring Dynamic EtherChannels 328Troubleshooting EtherChannel 329Incorrect Options on the channel-group Command 329Configuration Checks Before Adding Interfaces to EtherChannels 331Exam Preparation Tasks 333Review All the Key Topics 333Definitions of Key Terms 333Command Reference to Check Your Memory 333Part III Review 336Part IV: IP Addressing and Subnetting 341Chapter 13 Perspectives on IPv4 Subnetting 343"Do I Know This Already?" Quiz 343Foundation Topics 346Introduction to Subnetting 346Subnetting Defined Through a Simple Example 346Operational View Versus Design View of Subnetting 347Analyze Subnetting and Addressing Needs 348Rules About Which Hosts Are in Which Subnet 348Subnet Rules with Layer 3 Switches 349Determine the Number of Subnets 351Determine the Number of Hosts per Subnet 353One Size Subnet Fits All (Or Not) 354Defining the Size of a Subnet 354One Size Subnet Fits All 355Multiple Subnet Sizes (Variable-Length Subnet Masks) 356Make Design Choices 357Choose a Classful Network 357Public IP Networks 357Growth Exhausts the Public IP Address Space 358Private IP Networks 359Choose an IP Network During the Design Phase 360Choose the Mask 360Classful IP Networks Before Subnetting 361Borrow Host Bits to Create Subnet Bits 361Choose Enough Subnet and Host Bits 362Example Design: 172.16.0.0, 200 Subnets, 200 Hosts 364Masks and Mask Formats 364Build a List of All Subnets 365Plan the Implementation 366Assign Subnets to Different Locations 367Choose Static and Dynamic Ranges per Subnet 367Foundation Topics 369Review All the Key Topics 369Complete the Tables and Lists from Memory 369Definitions of Key Terms 369Chapter 14 Analyzing Classful IPv4 Networks 371"Do I Know This Already?" Quiz 371Foundation Topics 374Classful Network Concepts 374IPv4 Network Classes and Related Facts 374Actual Class A, B, and C Networks 375Address Formats 376Default Masks 377Number of Hosts per Network 377Deriving the Network ID and Related Numbers 378Unusual Network IDs and Network Broadcast Addresses 380Practice with Classful Networks 381Practice Deriving Key Facts Based on an IP Address 381Practice Remembering the Details of Address Classes 382Additional Practice 383Exam Preparation Tasks 384Review All the Key Topics 384Complete the Tables and Lists from Memory 384Definitions of Key Terms 384Practice 384Answers to Earlier Practice Problems 385Answers to Practice Problem 7 (From Table 14-5) 385Answers to Practice Problem 8 (From Table 14-5) 386Answers to Practice Problem 9 (From Table 14-5) 386Chapter 15 Analyzing Subnet Masks 389"Do I Know This Already?" Quiz 389Foundation Topics 392Subnet Mask Conversion 392Three Mask Formats 392Converting Between Binary and Prefix Masks 393Converting Between Binary and DDN Masks 394Converting Between Prefix and DDN Masks 396Practice Converting Subnet Masks 397Identifying Subnet Design Choices Using Masks 398Masks Divide the Subnet's Addresses into Two Parts 399Masks and Class Divide Addresses into Three Parts 400Classless and Classful Addressing 401Calculations Based on the IPv4 Address Format 401Practice Analyzing Subnet Masks 403Exam Preparation Tasks 405Review All the Key Topics 405Complete the Tables and Lists from Memory 405Definitions of Key Terms 405Practice 405Answers to Earlier Practice Problems 406Chapter 16 Analyzing Existing Subnets 409"Do I Know This Already?" Quiz 409Foundation Topics 412Defining a Subnet 412An Example with Network 172.16.0.0 and Four Subnets 412Subnet ID Concepts 414Subnet Broadcast Address 415Range of Usable Addresses 415Analyzing Existing Subnets: Binary 416Finding the Subnet ID: Binary 416Finding the Subnet Broadcast Address: Binary 418Binary Practice Problems 419Shortcut for the Binary Process 420Brief Note About Boolean Math 422Finding the Range of Addresses 422Analyzing Existing Subnets: Decimal 422Analysis with Easy Masks 423Predictability in the Interesting Octet 424Finding the Subnet ID: Difficult Masks 425Resident Subnet Example 1 426Resident Subnet Example 2 427Resident Subnet Practice Problems 427Finding the Subnet Broadcast Address: Difficult Masks 428Subnet Broadcast Example 1 428Subnet Broadcast Example 2 429Subnet Broadcast Address Practice Problems 430Practice Analyzing Existing Subnets 430A Choice: Memorize or Calculate 430Additional Practice 431Exam Preparation Tasks 432Review All the Key Topics 432Complete the Tables and Lists from Memory 432Definitions of Key Terms 432Practice 432Answers to Earlier Practice Problems 433Chapter 17 Fundamentals of IP Version 6 437"Do I Know This Already?" Quiz 437Foundation Topics 440Introduction to IP Version 6 440The Need and Effect of a New Internet Protocol 440Additional Motivations for IPv6 441Many Protocols Updated 442Introduction to IPv6 Addresses and Prefixes 442Representing Full (Unabbreviated) IPv6 Addresses 443Abbreviating IPv6 Addresses 443Expanding IPv6 Addresses 444Representing the Prefix Length of an Address 445Calculating the IPv6 Prefix (Subnet ID) 445Assigning Unique IPv6 Prefixes Across the Globe 447IPv6 Addressing and Subnetting 449Global Unicast Addresses and IPv6 Subnetting 449IPv6 Subnetting Concepts 450Assign Subnets and Addresses 452The Actual Global Unicast Addresses 453Unique Local Unicast Addresses 453Link Local Addresses 454IPv6 Multicast Addresses 455Miscellaneous IPv6 Addresses 456Implementing IPv6 457IPv6 Address Assignment 457Dynamic Assignment of the Interface ID with EUI-64 457Discovering the IPv6 Prefix with SLAAC 459Dynamic Configuration Using Stateful DHCP 460IPv6 Transition and Coexistence 461Dual Stack 462Tunneling IPv6 Inside IPv4 462Exam Preparation Tasks 464Review All the Key Topics 464Complete the Tables and Lists from Memory 464Definitions of Key Terms 464Answers to Earlier Practice Problems 464Part IV Review 466Part V: IPv4 Routing 471Chapter 18 IPv4 Routing Concepts 473"Do I Know This Already?" Quiz 473Foundation Topics 475IP Routing 475IPv4 Routing Process Reference 475An Example of IP Routing 478Host Forwards the IP Packet to the Default Router (Gateway) 478Routing Step 1: Decide Whether to Process the Incoming Frame 479Routing Step 2: Deencapsulation of the IP Packet 480Routing Step 3: Choosing Where to Forward the Packet 480Routing Step 4: Encapsulating the Packet in a New Frame 481Routing Step 5: Transmitting the Frame 482Internal Processing on Cisco Routers 482Potential Routing Performance Issues 483Cisco Router Fast Switching and CEF 483Cisco Nexus Switch Operations with Routing 484Exam Preparation Tasks 488Review All the Key Topics 488Complete the Tables and Lists from Memory 488Definitions of Key Terms 488Chapter 19 Cisco Nexus IPv4 Routing Configuration 491"Do I Know This Already?" Quiz 491Foundation Topics 494Configuring Connected Routes on Cisco Nexus Switches 494Direct and Local Routes and the ip address Command 494Routing Between Subnets on VLANs 497Configuring Routing to VLANs Using a Layer 3 Switch 497Configuring Static Routes 499Static Route Configuration 499Static Default Routes 501Exam Preparation Tasks 502Review All the Key Topics 502Complete the Tables and Lists from Memory 502Definitions of Key Terms 502Command Reference to Check Your Memory 502Chapter 20 IPv4 Routing Protocol Concepts 505"Do I Know This Already?" Quiz 505Foundation Topics 508Introduction to Routing Protocols 508History of Interior Gateway Protocols 508Comparing IGPs 509Distance Vector Basics 511The Concept of a Distance and a Vector 511Full Update Messages and Split Horizon 512Monitoring Neighbor State with Periodic RIP Updates 513Split Horizon 513Route Poisoning 514RIP Concepts and Operation 515Features of Both RIPv1 and RIPv2 515Differences Between RIPv1 and RIPv2 516EIGRP Concepts and Operation 517EIGRP Maintains Neighbor Status Using Hello 518EIGRP Topology and the Metric Calculation 518EIGRP Convergence 519EIGRP Summary 521Understanding the OSPF Link-State Routing Protocol 521OSPF Comparisons with EIGRP 521Building the OSPF LSDB and Creating IP Routes 522Topology Information and LSAs 522Applying Dijkstra SPF Math and OSPF Metrics to Find the Best Routes 524Scaling OSPF Through Hierarchical Design 525Exam Preparation Tasks 528Review All the Key Topics 528Definitions of Key Terms 528Chapter 21 Nexus Routing Protocol Configuration 531"Do I Know This Already?" Quiz 531Foundation Topics 533RIP Version 2 Configuration on NX-OS 536EIGRP Configuration on NX-OS 541OSPF Configuration on NX-OS 546Exam Preparation Tasks 551Review All the Key Topics 551Definitions of Key Terms 551Command Reference to Check Your Memory 551Chapter 22 IPv4 Access Control Lists on Cisco Nexus Switches 555"Do I Know This Already?" Quiz 555Foundation Topics 557IPv4 Access Control List Basics 557ACL Location and Direction 557Matching Packets 558Taking Action When a Match Occurs 559Types of IP ACLs 559List Logic with IP ACLs 560Matching Logic and Command Syntax 562Matching TCP and UDP Port Numbers 562Implementing Cisco Nexus IPv4 ACLs 566ACL Example 1 566ACL Example 2 567Practice Cisco Nexus IPv4 ACLs 568Practice Building access-list Commands 568Exam Preparation Tasks 570Review All the Key Topics 570Definitions of Key Terms 570Appendix H Practice Problems 570Command Reference to Check Your Memory 570Part V Review 572Part VI: Final Preparation 577Chapter 23 Final Review 579Advice About the Exam Event 579Learn the Question Types Using the Cisco Certification Exam Tutorial 579Think About Your Time Budget Versus Numbers of Questions 580A Suggested Time-Check Method 581Miscellaneous Pre-Exam Suggestions 582Exam-Day Advice 582Exam Review 583Practice Subnetting and Other Math-Related Skills 583Take Practice Exams 585Practicing Taking the DCICN Exam 585Advice on How to Answer Exam Questions 586Taking Other Practice Exams 587Find Knowledge Gaps Through Question Review 588Practice Hands-On CLI Skills 591Review Mind Maps from Part Review 591Other Study Tasks 591Final Thoughts 591Part VII: Appendices 593Appendix A Answers to the "Do I Know This Already?" Quizzes 595Appendix B DCICN Exam Updates 613Appendix C Numeric Reference Tables 615Appendix D Nexus Lab Guide 623DVD-only AppendicesAppendix E Practice for Chapter 14: Analyzing Classful IPv4 NetworksAppendix F Practice for Chapter 15: Analyzing Subnet MasksAppendix G Practice for Chapter 16: Analyzing Existing SubnetsAppendix H Practice for Chapter 22: IPv4 Access Control Lists on Cisco Nexus SwitchesAppendix I Memory TablesAppendix J Memory Tables Answer KeyGlossary9781587204548 TOC 10/15/2014
