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Full Product Details

Author:   Anthony Bruno ,  Steve Jordan
Publisher:   Pearson Education (US)
Imprint:   Cisco Press
Edition:   4th edition
Dimensions:   Width: 19.60cm , Height: 4.60cm , Length: 23.00cm
Weight:   1.540kg
ISBN:  

9781587142574

ISBN 10:   1587142570
Pages:   768
Publication Date:   07 July 2011
Audience:   Professional and scholarly ,  Professional & Vocational
Replaced By:   9781587144547
Format:   Mixed media product
Publisher's Status:   Out of Print
Availability:   In Print  
Limited stock is available. It will be ordered for you and shipped pending supplier's limited stock.

Table of Contents

Introduction xxxi Part I General Network Design Chapter 1 Network Design Methodology 5 Do I Know This Already? Quiz 5 Foundation Topics 8 Cisco Architectures for the Enterprise 8 Borderless Networks Architecture 9 Collaboration Architecture 9 Data Center/Virtualization Architecture 10 Prepare, Plan, Design, Implement, Operate, and Optimize Phases 11 Prepare Phase 13 Plan Phase 14 Design Phase 14 Implement Phase 14 Operate Phase 14 Optimize Phase 14 Summary of PPDIOO Phases 14 Design Methodology Under PPDIOO 15 Identifying Customer Design Requirements 15 Characterizing the Existing Network 17 Steps in Gathering Information 17 Network Audit Tools 18 Network Analysis Tools 22 Network Checklist 22 Designing the Network Topology and Solutions 23 Top-Down Approach 23 Pilot and Prototype Tests 24 Design Document 25 References and Recommended Reading 26 Exam Preparation Tasks 27 Review All Key Topics 27 Complete Tables and Lists from Memory 27 Define Key Terms 27 Q&A 28 Chapter 2 Network Structure Models 37 Do I Know This Already? Quiz 37 Foundation Topics 40 Hierarchical Network Models 40 Benefits of the Hierarchical Model 40 Hierarchical Network Design 41 Core Layer 41 Distribution Layer 42 Access Layer 43 Hierarchical Model Examples 45 Cisco Enterprise Architecture Model 47 Enterprise Campus Module 48 Enterprise Edge Area 50 E-Commerce Module 50 Internet Connectivity Module 51 VPN/Remote Access 52 Enterprise WAN 53 Service Provider Edge Module 54 Remote Modules 55 Enterprise Branch Module 56 Enterprise Data Center Module 56 Enterprise Teleworker Module 56 Borderless Network Services 58 High Availability Network Services 58 Workstation-to-Router Redundancy and LAN High Availability Protocols 59 ARP 59 Explicit Configuration 59 RDP 59 RIP 59 HSRP 60 VRRP 61 GLBP 61 Server Redundancy 61 Route Redundancy 62 Load Balancing 62 Increasing Availability 62 Link Media Redundancy 64 References and Recommended Reading 65 Exam Preparation Tasks 66 Review All Key Topics 66 Complete Tables and Lists from Memory 66 Define Key Terms 66 Q&A 66 Part II LAN and WAN Design Chapter 3 Enterprise LAN Design 79 Do I Know This Already? Quiz 79 Foundation Topics 82 LAN Media 82 Ethernet Design Rules 83 100-Mbps Fast Ethernet Design Rules 84 Gigabit Ethernet Design Rules 86 1000BASE-LX Long-Wavelength Gigabit Ethernet 86 1000BASE-SX Short-Wavelength Gigabit Ethernet 87 1000BASE-CX Gigabit Ethernet over Coaxial Cable 87 1000BASE-T Gigabit Ethernet over UTP 87 10 Gigabit Ethernet Design Rules 88 10GE Media Types 88 EtherChannel 89 Comparison of Campus Media 89 LAN Hardware 89 Repeaters 90 Hubs 90 Bridges 91 Switches 91 Routers 92 Layer 3 Switches 93 Campus LAN Design and Best Practices 94 Best Practices for Hierarchical Layers 95 Access Layer Best Practices 96 Distribution Layer Best Practices 96 Core Layer Best Practices 98 Large-Building LANs 101 Enterprise Campus LANs 102 Edge Distribution 103 Medium-Size LANs 103 Small and Remote Site LANs 103 Server Farm Module 104 Server Connectivity Options 105 Enterprise Data Center Infrastructure 105 Campus LAN QoS Considerations 106 Multicast Traffic Considerations 108 CGMP 108 IGMP Snooping 109 References and Recommended Readings 109 Exam Preparation Tasks 110 Review All Key Topics 110 Complete Tables and Lists from Memory 110 Define Key Terms 110 Q&A 110 Chapter 4 Data Center Design 121 Do I Know This Already? Quiz 121 Foundation Topics 124 Enterprise DC Architectures 124 Data Center 3.0 Components 125 Data Center 3.0 Topology Components 127 Challenges in the DC 127 Data Center Facility Aspects 128 Data Center Space 130 Data Center Power 131 Data Center Cooling 132 Data Center Heat 133 Data Center Cabling 133 Enterprise DC Infrastructure 135 Defining the DC Access Layer 136 Defining the DC Aggregation Layer 138 Defining the DC Core Layer 139 Virtualization Overview 141 Challenges 141 Defining Virtualization and Benefits 141 Types of Virtualization 142 Virtualization Technologies 143 VSS 143 VRF 143 vPC 143 Device Contexts 144 Server Virtualization 144 Network Virtualization Design Considerations 144 Access Control 145 Path Isolation 145 Services Edge 145 References and Recommended Readings 145 Exam Preparation Tasks 147 Review All Key Topics 147 Complete Tables and Lists from Memory 148 Define Key Terms 148 Q&A 148 Chapter 5 Wireless LAN Design 153 Do I Know This Already? Quiz 153 Foundation Topics 155 Wireless LAN Technologies 155 WLAN Standards 155 ISM and UNII Frequencies 156 Summary of WLAN Standards 157 Service Set Identifier 157 WLAN Layer 2 Access Method 157 WLAN Security 157 Unauthorized Access 158 WLAN Security Design Approach 158 IEEE 802.1X-2001 Port-Based Authentication 159 Dynamic WEP Keys and LEAP 159 Controlling WLAN Access to Servers 159 Cisco Unified Wireless Network 160 Cisco UWN Architecture 160 LWAPP 162 CAPWAP 163 Cisco Unified Wireless Network Split-MAC Architecture 163 Local MAC 164 AP Modes 164 LWAPP Discovery of WLC 166 WLAN Authentication 167 Authentication Options 168 WLAN Controller Components 169 WLC Interface Types 169 AP Controller Equipment Scaling 171 Roaming and Mobility Groups 173 Intracontroller Roaming 173 Layer 2 Intercontroller Roaming 173 Layer 3 Intercontroller Roaming 174 Mobility Groups 174 WLAN Design 176 Controller Redundancy Design: Deterministic vs. Dynamic 176 N+1 WLC Redundancy 176 N+N WLC Redundancy 177 N+N+1 WLC Redundancy 177 Radio Management and Radio Groups 178 RF Groups 179 RF Site Survey 179 Using EoIP Tunnels for Guest Services 181 Wireless Mesh for Outdoor Wireless 181 Mesh Design Recommendations 182 Campus Design Considerations 183 Branch Design Considerations 184 Local MAC 184 REAP 184 Hybrid REAP 184 Branch Office Controller Options 185 References and Recommended Readings 186 Exam Preparation Tasks 187 Review All Key Topics 187 Complete Tables and Lists from Memory 187 Define Key Terms 187 Q&A 188 Chapter 6 WAN Technologies 199 Do I Know This Already? Quiz 199 Foundation Topics 202 WAN Overview 202 WAN Defined 202 WAN Connection Modules 203 WAN Transport Technologies 204 ISDN 205 ISDN BRI Service 205 ISDN PRI Service 205 Digital Subscriber Line 206 Cable 206 Wireless 207 Frame Relay 208 Time-Division Multiplexing 209 Metro Ethernet 209 SONET/SDH 209 Multiprotocol Label Switching 211 Dark Fiber 211 Dense Wavelength-Division Multiplexing 212 Ordering WAN Technology and Contracts 212 WAN Design Methodology 213 Response Time 214 Throughput 214 Reliability 215 Bandwidth Considerations 215 WAN Link Categories 216 Optimizing Bandwidth Using QoS 217 Queuing, Traffic Shaping, and Policing 217 Classification 218 Congestion Management 218 Priority Queuing 218 Custom Queuing 218 Weighted Fair Queuing 218 Class-Based Weighted Fair Queuing 218 Low-Latency Queuing 219 Traffic Shaping and Policing 219 Link Efficiency 220 Window Size 220 References and Recommended Readings 220 Exam Preparation Tasks 221 Review All Key Topics 221 Complete Tables and Lists from Memory 221 Define Key Terms 221 Q&A 222 Chapter 7 WAN Design 227 Do I Know This Already? Quiz 227 Foundation Topics 230 Traditional WAN Technologies 230 Hub-and-Spoke Topology 230 Full-Mesh Topology 231 Partial-Mesh Topology 231 Remote-Access Network Design 232 VPN Network Design 232 Enterprise VPN vs. Service Provider VPN 233 Enterprise VPNs 234 Service Provider Offerings 234 Enterprise Managed VPN: IPsec 234 IPsec Direct Encapsulation 234 Cisco Easy VPN 235 Generic Routing Encapsulation 236 IPsec DMVPN 236 IPsec Virtual Tunnel Interface Design 237 Layer 2 Tunneling Protocol Version 3 237 Service Provider Managed Offerings 237 Metro Ethernet 237 Virtual Private LAN Services 238 MPLS 238 MPLS Layer 3 Design Overview 239 VPN Benefits 239 WAN Backup Design 240 Load-Balancing Guidelines 240 WAN Backup over the Internet 241 Enterprise WAN Architecture 241 Cisco Enterprise MAN/WAN 243 Enterprise WAN/MAN Architecture Comparison 243 Enterprise WAN Components 245 Comparing Hardware and Software 247 Enterprise Branch Architecture 248 Branch Design 248 Enterprise Branch Profiles 248 ISR G2 New Features 249 Small Branch Design 250 Medium Branch Design 250 Large Branch Design 252 Enterprise Teleworker Design 254 ISRs for Teleworkers 254 References and Recommended Readings 255 Exam Preparation Tasks 256 Review All Key Topics 256 Complete Tables and Lists from Memory 256 Define Key Terms 257 Q&A 257 Part III The Internet Protocol and Routing Protocols Chapter 8 Internet Protocol Version 4 265 Do I Know This Already? Quiz 265 Foundation Topics 268 IPv4 Header 268 ToS 271 IPv4 Fragmentation 274 IPv4 Addressing 275 IPv4 Address Classes 276 Class A Addresses 277 Class B Addresses 277 Class C Addresses 277 Class D Addresses 277 Class E Addresses 278 IPv4 Address Types 278 IPv4 Private Addresses 279 NAT 279 Private and Public IP Address and NAT Guidelines 280 IPv4 Address Subnets 282 Mask Nomenclature 283 IP Address Subnet Design 283 Determining the Network Portion of an IP Address 285 Variable-Length Subnet Masks 286 VLSM Address Assignment: Example 1 286 Loopback Addresses 288 IP Telephony Networks 288 VLSM Address Assignment: Example 2 289 Address Assignment and Name Resolution 290 Recommended Practices of IP Address Assignment 290 BOOTP 291 DHCP 291 DNS 292 ARP 295 References and Recommended Readings 296 Exam Preparation Tasks 297 Review All Key Topics 297 Complete Tables and Lists from Memory 297 Define Key Terms 297 Q&A 298 Chapter 9 Internet Protocol Version 6 305 Do I Know This Already? Quiz 305 Foundation Topics 308 Introduction to IPv6 308 IPv6 Header 309 IPv6 Address Representation 311 IPv4-Compatible IPv6 Addresses 312 IPv6 Prefix Representation 312 IPv6 Address Scope Types and Address Allocations 313 IPv6 Address Allocations 313 IPv6 Unicast Address 314 Global Unicast Addresses 314 Link-Local Addresses 315 Unique Local IPv6 Address 315 Global Aggregatable IPv6 Address 316 IPv4-Compatible IPv6 Address 316 IPv6 Anycast Addresses 316 IPv6 Multicast Addresses 317 IPv6 Mechanisms 320 ICMPv6 320 IPv6 Neighbor Discovery Protocol 320 IPv6 Name Resolution 321 Path MTU Discovery 322 IPv6 Address-Assignment Strategies 322 Link-Local Address (Stateless Autoconfiguration) 322 Autoconfiguration of Globally Unique IP address 323 DHCPv6 324 IPv6 Security 324 IPv6 Routing Protocols 325 RIPng 325 EIGRP for IPv6 325 OSPFv3 325 IS-IS for IPv6 325 BGP4 Multiprotocol Extensions (MP-BGP) for IPv6 326 IPv4 to IPv6 Transition Mechanisms and Deployment Models 326 Dual-Stack Mechanism 326 IPv6 over IPv4 Tunnels 326 Protocol Translation Mechanisms 328 IPv6 Deployment Models 329 Dual-Stack Model 329 Hybrid Model 330 Service Block Model 330 IPv6 Deployment Model Comparison 332 IPv6 Comparison with IPv4 333 References and Recommended Readings 334 Exam Preparation Tasks 336 Review All Key Topics 336 Complete Tables and Lists from Memory 337 Define Key Terms 337 Q&A 337 Chapter 10 Routing Protocol Characteristics, RIP, and EIGRP 345 Do I Know This Already? Quiz 345 Foundation Topics 348 Routing Protocol Characteristics 348 Static Versus Dynamic Route Assignment 348 Interior Versus Exterior Routing Protocols 350 Distance-Vector Routing Protocols 351 EIGRP 351 Link-State Routing Protocols 352 Distance-Vector Routing Protocols Versus Link-State Protocols 352 Hierarchical Versus Flat Routing Protocols 353 Classless Versus Classful Routing Protocols 353 IPv4 Versus IPv6 Routing Protocols 354 Administrative Distance 355 Routing Protocol Metrics and Loop Prevention 356 Hop Count 356 Bandwidth 357 Cost 358 Load 358 Delay 359 Reliability 359 Maximum Transmission Unit 360 Routing Loop-Prevention Schemes 360 Split Horizon 360 Poison Reverse 361 Counting to Infinity 361 Triggered Updates 361 Summarization 361 RIPv2 and RIPng 362 Authentication 362 MD5 Authentication 362 RIPv2 Routing Database 362 RIPv2 Message Format 363 RIPv2 Timers 364 RIPv2 Design 364 RIPv2 Summary 364 RIPng 365 RIPng Timers 365 Authentication 365 RIPng Message Format 365 RIPng Design 366 RIPng Summary 366 EIGRP 367 EIGRP Components 367 Protocol-Dependent Modules 368 Neighbor Discovery and Recovery 368 RTP 368 DUAL 368 EIGRP Timers 369 EIGRP Metrics 370 EIGRP Packet Types 371 EIGRP Design 372 EIGRP for IPv4 Summary 373 EIGRP for IPv6 (EIGRPv6) Networks 373 EIGRP for IPv6 Design 374 EIGRP for IPv6 Summary 374 References and Recommended Readings 375 Exam Preparation Tasks 377 Review All Key Topics 377 Complete Tables and Lists from Memory 377 Define Key Terms 377 Q&A 377 Chapter 11 OSPF, BGP, Route Manipulation, and IP Multicast 387 Do I Know This Already? Quiz 387 Foundation Topics 391 OSPFv2 391 OSPFv2 Metric 391 OSPFv2 Adjacencies and Hello Timers 392 OSPFv2 Areas 393 OSPF Router Types 394 OSPF DRs 395 LSA Types 396 Autonomous System External Path Types 397 OSPF Stub Area Types 397 Stub Areas 397 Totally Stubby Areas 398 NSSAs 398 Virtual Links 399 OSPFv2 Router Authentication 399 OSPFv2 Summary 399 OSPFv3 400 OSPFv3 Changes from OSPFv2 400 OSPFv3 Areas and Router Types 401 OSPFv3 LSAs 401 OSPFv3 Summary 404 BGP 404 BGP Neighbors 405 eBGP 406 iBGP 406 Route Reflectors 407 Confederations 409 BGP Administrative Distance 409 BGP Attributes, Weight, and the BGP Decision Process 409 BGP Path Attributes 410 Next-Hop Attribute 411 Local Preference Attribute 411 Origin Attribute 411 Autonomous System Path Attribute 412 MED Attribute 412 Community Attribute 413 Atomic Aggregate and Aggregator Attributes 413 Weight 414 BGP Decision Process 414 BGP Summary 415 Route Manipulation 416 PBR 416 Route Summarization 416 Route Redistribution 419 Default Metric 420 OSPF Redistribution 421 Route Filtering 421 Routing Protocols on the Hierarchical Network Infrastructure 422 IP Multicast Review 423 Multicast Addresses 423 Layer 3-to-Layer 2 Mapping 424 IGMP 425 IGMPv1 425 IGMPv2 425 IGMPv3 426 CGMP 426 IGMP Snooping 427 Sparse Versus Dense Multicast 427 Multicast Source and Shared Trees 428 PIM 428 PIM-SM 429 PIM DR 429 Auto-RP 429 PIMv2 Bootstrap Router 430 DVMRP 430 IPv6 Multicast Addresses 430 References and Recommended Readings 431 Exam Preparation Tasks 433 Review All Key Topics 433 Complete Tables and Lists from Memory 433 Define Key Terms 433 Q&A 434 Part IV Security, Convergence, Network Management Chapter 12 Managing Security 445 Do I Know This Already? Quiz 445 Foundation Topics 448 Network Security Overview 448 Security Legislation 448 Security Threats 450 Reconnaissance and Port Scanning 450 Vulnerability Scanners 451 Unauthorized Access 452 Security Risks 453 Targets 453 Loss of Availability 454 Integrity Violations and Confidentiality Breaches 455 Security Policy and Process 456 Security Policy Defined 457 Basic Approach of a Security Policy 458 Purpose of Security Policies 458 Security Policy Components 459 Risk Assessment 459 Risk Index 460 Continuous Security 461 Integrating Security Mechanisms into Network Design 462 Trust and Identity Management 462 Trust 463 Domains of Trust 463 Identity 464 Passwords 464 Tokens 464 Certificates 465 Access Control 466 Secure Connectivity 466 Encryption Fundamentals 466 Encryption Keys 467 VPN Protocols 467 Transmission Confidentiality 469 Data Integrity 469 Threat Defense 470 Physical Security 470 Infrastructure Protection 471 Security Management Solutions 472 References and Recommended Readings 473 Exam Preparation Tasks 474 Review All Key Topics 474 Complete Tables and Lists from Memory 474 Define Key Terms 475 Q&A 475 Chapter 13 Security Solutions 481 Do I Know This Already? Quiz 481 Foundation Topics 484 Cisco SAFE Architecture 484 Network Security Platforms 485 Cisco Security Control Framework 486 Trust and Identity Technologies 486 Firewall ACLs 487 Cisco NAC Appliance 488 Cisco Identity-Based Network Services 489 Identity and Access Control Deployments 489 Detecting and Mitigating Threats 490 Threat Detection and Mitigation Technologies 491 Threat-Detection and Threat-Mitigation Solutions 492 Cisco IronPort ESA 493 Cisco IronPort WSA 494 Security Management Applications 495 Security Platform Solutions 495 Security Management Network 496 Integrating Security into Network Devices 497 IOS Security 498 ISR G2 Security Hardware Options 499 Cisco Security Appliances 499 Intrusion Prevention 500 Catalyst 6500 Service Modules 500 Endpoint Security 502 Securing the Enterprise 502 Implementing Security in the Campus 502 Implementing Security in the Data Center 503 Implementing Security in the Enterprise Edge and WAN 504 References and Recommended Readings 507 Exam Preparation Tasks 508 Review All Key Topics 508 Complete Tables and Lists from Memory 508 Define Key Terms 509 Q&A 509 Chapter 14 Voice and Video Design 515 Do I Know This Already? Quiz 515 Foundation Topics 518 Traditional Voice Architectures 518 PBX and PSTN Switches 518 Local Loop and Trunks 519 Ports 520 Major Analog and Digital Signaling Types 521 Loop-Start Signaling 522 Ground-Start Signaling 522 E&M Signaling 523 CAS and CCS Signaling 524 PSTN Numbering Plan 526 Other PSTN Services 527 Centrex Services 528 Voice Mail 528 Database Services 528 IVR 528 ACD 528 Voice Engineering Terminology 528 Grade of Service 528 Erlangs 528 Centum Call Second 529 Busy Hour 529 Busy-Hour Traffic 529 Blocking Probability 530 Call Detail Records 530 Converged Multiservice Networks 530 VoIP 531 IPT Components 532 Design Goals of IP Telephony 534 IPT Deployment Models 535 Single-Site Deployment 535 Multisite WAN with Centralized Call Processing Model 536 Multisite WAN with Distributed Call Processing Model 536 Unified CallManager Express Deployments 537 Video Deployment Considerations 537 Codecs 539 Analog-to-Digital Signal Conversion 540 Codec Standards 540 VoIP Control and Transport Protocols 541 DHCP, DNS, and TFTP 542 SCCP 542 RTP and RTCP 543 MGCP 544 H.323 544 H.264 547 SIP 548 IPT Design 549 Bandwidth 550 VAD 550 Calculating Voice Bandwidth 551 Delay Components in VoIP Networks 552 Packet Loss 555 Echo Cancellation 555 QoS and Bandwidth Mechanisms for VoIP and Video Networks 555 cRTP 556 IEEE 802.1P 556 Resource Reservation Protocol 557 LFI 557 LLQ 557 Auto QoS 559 IPT Design Recommendations 560 Service Class Recommendations 561 References and Recommended Readings 562 Exam Preparation Tasks 564 Review All Key Topics 564 Complete Tables and Lists from Memory 564 Define Key Terms 565 Q&A 565 Chapter 15 Network Management Protocols 575 Do I Know This Already? Quiz 575 Foundation Topics 578 Simple Network Management Protocol 579 SNMP Components 579 MIB 580 SNMP Message Versions 581 SNMPv1 581 SNMPv2 582 SNMPv3 582 Other Network Management Technologies 583 RMON 583 RMON2 584 NetFlow 585 NetFlow Compared to RMON and SNMP 586 CDP 587 Syslog 588 References and Recommended Reading 589 Exam Preparation Tasks 591 Review All Key Topics 591 Complete Tables and Lists from Memory 591 Define Key Terms 591 Q&A 592 Part V Comprehensive Scenarios and Final Prep Chapter 16 Comprehensive Scenarios 599 Scenario One: Pearland Hospital 599 Scenario One Questions 600 Scenario One Answers 601 Scenario Two: Big Oil and Gas 604 Scenario Two Questions 604 Scenario Two Answers 605 Scenario Three: Beauty Things Store 606 Scenario Three Questions 607 Scenario Three Answers 608 Scenario Four: Falcon Communications 608 Scenario Four Questions 609 Scenario Four Answers 609 Chapter 17 Final Preparation 613 Tools for Final Preparation 613 Pearson Cert Practice Test Engine and Questions on the CD 613 Install the Software from the CD 614 Activate and Download the Practice Exam 614 Activating Other Exams 615 Premium Edition 615 The Cisco Learning Network 615 Memory Tables 615 Chapter-Ending Review Tools 616 Suggested Plan for Final Review/Study 616 Subnetting Practice 616 Using the Exam Engine 617 Summary 618 Part VI Appendixes Appendix A Answers to the Do I Know This Already? Quizzes and Q&A Questions 623 Appendix B CCDA Exam Updates: Version 1.0 657 Appendix C OSI Model, TCP/IP Architecture, and Numeric Conversion 661 Glossary 677 Elements Available on the CD Appendix D Memory Tables Appendix E Memory Tables Answer Key 9781587142574 TOC 5/5/2011

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Anthony Bruno, CCIE No. 2738, is a senior principal consultant with BT with more than 20 years of experience in the internetworking field. Previously, he worked for International Network Services, Lucent Technologies, and as a captain in the U.S. Air Force. His other network certifications include CCDP, CCVP, CCSP, Cisco Data Center Network Infrastructure Specialist, Cisco Security Solutions & Design Specialist, JNCIS-ER, Project+, ITILv3 Foundation, and CWNA. He has consulted for many enterprise and service provider customers in the design, implementation, and optimization of large-scale data and IP telephony networks. Anthony leads architecture and design teams in building nextgeneration networks for his customers. He completed his Master of Science in Electrical Engineering at the University of Missouri-Rolla in 1994 and his Bachelor of Science in Electrical Engineering at the University of Puerto Rico-Mayaguez in 1990. He is also a part-time instructor for the University of Phoenix-Online, teaching networking courses. ? Steve Jordan, CCIEx3 #11293, has nearly two decades of experience in the field of networking and currently specializes in Data Center technologies. For the last 10 years, Steve has worked with many Enterprise and Service Provider customers in both pre-sales and post-sales engineering and architecture roles along with working at several Cisco Gold Partners. Steve is a 10-Year triple CCIE in the tracks of Routing & Switching (2003), Storage Networking (2013) and Data Center (2013) and is currently working towards achieving the CCDE certification. Steve lives in Houston, TX with his wife and 3 sons. When he is not teaching CCIE DC bootcamps, Steve can be found traveling to new places, finding great food, and listening to live music. You can contact Steve Jordan at sjordan@ine.com, follow him on Twitter @ccie11293, or find him helping others in the INE's IEOC Community Forum. ? Steve was also the coauthor for the previous edition of the CCDA Exam Certification Guide, Third Edition.

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