Network Fundamentals, CCNA Exploration Labs and Study Guide  2nd Edition
by:
Antoon Rufi
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CISCO PRESS,28.04.08
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ISBN: 1587132036 ISBN13: 9781587132032

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PRESCRIBED TEXT FOR ITC511 AT CSU DISTANCE ED, SEMESTER 1 2013 PRESCRIBED TEXT FOR ITC233 AT CSU, SEMESTER 1 2010 Description top
Network Fundamentals, CCNA Exploration Labs and Study Guide is designed to support your classroom and laboratory experience in Version 4 of the Cisco® Networking Academy® CCNA® Exploration curriculum. Each chapter contains a Study Guide section and a Labs and Activities section. Study Guide The dozens of exercises in this book help you learn the concepts and configurations crucial to your success as a CCNA exam candidate. Each chapter is slightly different and includes multiplechoice, fillintheblank, and openended questions designed to help you: * Review vocabulary
* Strengthen troubleshooting skills
* Boost configuration skills
* Reinforce concepts
* Research topics
Labs and Activities HandsOn LabsThis icon identifies the handson labs created for each chapter. Work through all the labs as provided to gain a deep understanding of CCNA knowledge and skills to ultimately succeed on the CCNA Certification Exam. Packet Tracer CompanionThis icon identifies the companion activities that correspond to some handson labs. You use Packet Tracer to complete a simulation of the handson lab. Packet Tracer Skills Integration ChallengeEach chapter concludes with a culminating activity called the Packet Tracer Skills Integration Challenge. These challenging activities require you to pull together several skills learned from the chapter, as well as previous chapters, to successfully complete one comprehensive exercise. Use this book with: Network Fundamentals, CCNA Exploration Companion Guide ISBN10: 1587132087 ISBN13: 9781587132087 Companion CDROM The CDROM provides all the Packet Tracer Companion and Packet Tracer Challenge files that are referenced throughout the book as indicated by the icons. These files work with Packet Tracer software V4.1.x, which is available through the Academy Connection website. Ask your instructor for access to the Packet Tracer software. This book is part of the Cisco Networking Academy Series from Cisco Press®. Books in this series support and complement the Cisco Networking Academy curriculum.
Features and Benefits
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The completely revised and only authorized Labs and Study Guide for the Cisco Networking Academy CCNA Exploration curriculum * A portable classroom resource that supports the topics in the CCNA Exploration curriculum aligning 1:1 with course modules
* Includes all the labs in the online curriculum as well as additional instructorcreated challenge labs for extended learning and classroom exercises
* Written by leading Academy instructor
Table of Contents
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Chapter 1: Living in a NetworkCentric World 1 Communicating in a NetworkCentric World 1 Concept Questions 1 Vocabulary Exercise: Completion 2 Communication: An Essential Part of Our Lives 2 Concept Questions 2 The Network as a Platform 3 Vocabulary Exercise: Define 3 Vocabulary Exercise: Identify 3 Vocabulary Exercise: Matching 4 Vocabulary Exercise: Completion 4 Concept Questions 5 The Architecture of the Internet 5 Vocabulary Exercise: Define 5 Concept Questions 6 Vocabulary Exercise: Completion 7 Trends in Networking 8 MultipleChoice Questions 8 Activity 11: Using Google Earth to View the World (1.1.1.4) 10 Task 1: Install Google Earth 11 Task 2: Run Google Earth 11 Task 3: Navigate the Google Earth Interface 11 Task 4: Reflection 13 Task 5: Challenge 13 Task 6: Clean Up 13 Activity 12: Identifying Top Security Vulnerabilities (1.4.5.3) 13 Task 1: Locate the SANS Resources 14 Task 2: Review the SANS Resources 15 Task 3: Collect Data 15 Task 4: Reflection 16 Task 5: Challenge 16 Lab 11: Using Collaboration Tools: IRC and IM (1.6.1.1) 16 Task 1: Configure the Chat Client 19 Task 2: Connect to the Chat Server 20 Task 3: Consider the Chat Session 21 Task 4: Reflection 21 Task 5: Challenge 22 Task 6: Clean Up 22 Lab 12: Using Collaboration Tools: Wikis and Web Logs (1.6.2.1) 22 Task 1: Define the Terms Wiki and Blog 22 Task 2: Explore Wiki Features with the TWiki Tutorial 23 Task 3: Reflection 28 Task 4: Challenge 28 Task 5: Clean Up 28 Skills Integration Challenge: Introduction to Packet Tracer (1.7.1.3) 28 Task 1: Explore the PT Interface 30 Task 2: Explore PT Operations 30 Task 3: Review the Standard Lab Setup 32 Task 4: Reflection 32 Chapter 2: Communicating over the Network 33 The Platform for Communications 33 Concept Questions 33 Vocabulary Exercise: Matching 34 LANs, WANs, and Internetworks 34 Vocabulary Exercise: Completion 34 Vocabulary Exercise: Matching 35 Protocols 36 Vocabulary Exercise: Completion 36 Concept Questions 36 Using Layered Models 37 Vocabulary Exercise: Matching 37 Network Addressing 38 Vocabulary Exercise: Completion 38 MultipleChoice Questions 38 Activity 21: Using NeoTrace to View Internetworks (2.2.5.1) 39 Task 1: Trace Route to Remote Server 40 Task 2: Trace Route Using NeoTrace 41 Task 3: Reflection 41 Task 4: Challenge 41 Task 5: Clean Up 41 Lab 21: Topology Orientation and Building a Small Network (2.6.1.1) 42 Task 1: Create a PeertoPeer Network 43 Task 2: Identify the Cables Used in a Network 43 Task 3: Cable the PeertoPeer Network 43 Task 4: Connect Your Workstations to the Classroom Lab Switch 47 Task 5: Reflection 48 Packet Tracer Companion: Topology Orientation and Building a Small Network (2.6.1.2) 48 Lab 22: Using Wireshark to View Protocol Data Units (2.6.2.1) 49 Task 1: Ping PDU Capture 53 Task 2: FTP PDU Capture 56 Task 3: HTTP PDU Capture 58 Task 4: Reflection 58 Task 5: Challenge 58 Task 6: Cleanup 59 Packet Tracer Companion: Using Packet Tracer to View Protocol Data Units (2.6.2.2) 59 Skills Integration Challenge: Examining Packets (2.7.1.3) 59 Task 1: Complete the Topology 60 Task 2: Add Simple PDUs in RealTime Mode 61 Task 3: Analyze PDUs in Simulation Mode (Packet Tracing) 61 Task 4: Experiment with the Model of the Standard Lab Setup 61 Task 5: Reflection 61 CHapter 3: Application Layer Functionality and Protocols 63 Applications: The Interface Between the Networks 63 Vocabulary Exercise: Matching 64 Concept Questions 64 Making Provisions for Applications and Services 65 Vocabulary Exercise: Matching 65 MultipleChoice Questions 65 Application Layer Protocols and Services Examples 66 Vocabulary Exercise: Matching 66 Vocabulary Exercise: Completion 66 MultipleChoice Questions 67 Activity 31: Data Stream Capture (3.4.1.1) 69 Task 1: Create a Sound File 69 Task 2: Observe the Properties of the Audio File 70 Task 3: Reflection 71 Task 4: Clean Up 71 Lab 31: Managing a Web Server (3.4.2.1) 71 Task 1: Download, Install, and Verify the Apache Web Server 73 Task 2: Verify the Default Web Server Configuration File 76 Task 3: Capture and Analyze HTTP Traffic with Wireshark 77 Task 4: Challenge 78 Task 5: Reflection 78 Task 6: Clean Up 79 Lab 32: Email Services and Protocols (3.4.3.1) 79 Task 1: Configure the Pod Host Computer for Email Service 81 Task 2: Capture and Analyze Email Communication Between the Pod Host Computer and an Email Server 84 Task 3: Challenge 86 Task 4: Reflection 86 Task 5: Clean Up 86 Skills Integration Challenge: Configuring Hosts and Services (3.5.1.3) 87 Task 1: "Repair" and Test the Topology 88 Task 2: Explore How DNS and HTTP Work Together 89 Task 3: Reflection 89 Chapter 4: OSI Transport Layer 91 Roles of the Transport Layer 91 Vocabulary Exercise: Matching 91 Concept Questions 92 Vocabulary Exercise: Completion 92 Port Type Ranges Exercise 92 The TCP Protocol: Communicating with Reliability 92 Concept Questions 93 Vocabulary Exercise: Matching 93 Managing TCP Sessions 93 Internet Research Exercise 93 Concept Questions 94 The UDP Protocol: Communicating with Low Overhead 94 Vocabulary Exercise: Completion 94 Lab 41: Observing TCP and UDP Using netstat (4.5.1.1) 95 Task 1: Explain Common netstat Command Parameters and Outputs 96 Task 2: Use netstat to Examine Protocol Information on a Pod Host Computer 98 Task 3: Reflection 100 Task 4: Challenge 100 Task 5: Cleanup 100 Lab 42: TCP/IP Transport Layer Protocols, TCP and UDP (4.5.2.1) 100 Task 1: Identify TCP Header Fields and Operation Using a Wireshark FTP Session Capture 102 Task 2: Identify UDP Header Fields and Operation Using a Wireshark TFTP Session Capture 108 Task 3: Reflection 110 Task 4: Challenge 111 Task 5: Cleanup 111 Lab 43: Application and Transport Layer Protocols (4.5.3.1) 111 Task 1: Configure the Pod Host Computer to Capture Application Layer Protocols 113 Task 2: Capture and Analyze HTTP Communication Between the Pod Host Computer and a Web Server 113 Task 3: Capture and Analyze FTP Communication Between the Pod Host Computer and a Web Server 116 Task 4: Reflection 121 Task 5: Challenge 121 Task 6: Clean Up 122 Packet Tracer Companion: Application and Transport Layer Protocols Examination (4.5.3.2) 122 Skills Integration Challenge: Analyzing the Application and Transport Layers (4.6.1.3) 122 Task 1: Repair and Test the Topology 123 Task 2: Explore How DNS, UDP, HTTP, and TCP Work Together 124 Task 3: Reflection 124 Chapter 5: OSI Network Layer 125 IPv4 125 Concept Questions 125 Vocabulary Exercise: Completion 126 Vocabulary Exercise: Define 126 Networks: Dividing Hosts into Groups 127 Internet Research Exercise 127 Vocabulary Exercise: Completion 127 Routing: How Our Data Packets Are Handled 127 Concept Questions 127 Vocabulary Exercise: Define 128 Routing Processes: How Routes Are Learned 129 Vocabulary Exercise: Completion 129 Lab 51: Examining a Device's Gateway (5.5.1.1) 130 Task 1: Understand and Explain the Purpose of a Gateway Address 132 Task 2: Understand How Network Information Is Configured on a Windows Computer 134 Task 3: Troubleshoot a Hidden Gateway Address Problem 136 Task 4: Reflection 137 Task 5: Challenge 137 Task 6: Clean Up 137 Packet Tracer Companion: Examining a Device's Gateway (5.5.1.2) 137 Lab 52: Examining a Route (5.5.2.1) 138 Task 1: Use the route Command to Modify a Windows Computer Routing Table 139 Task 2: Use a Windows Telnet Client Command telnet to Connect to a Cisco Router 144 Task 3: Examine Router Routes Using Basic Cisco IOS Commands 145 Task 4: Reflection 147 Task 5: Challenge 147 Task 6: Clean Up 147 Packet Tracer Companion: Examining a Route (5.5.2.2) 148 Skills Integration Challenge: Routing IP Packets (5.6.1.3) 148 Task 1: Configure a Router Interface 149 Task 2: Examining Routes 149 Task 3: Configure a Route Using a GUI 150 Task 4: Examine the Routing of the IP Packet 150 Task 5: Reflection 150 Chapter 6: Addressing the Network: IPv4 151 IPv4 Addresses 151 Concept Questions 151 BinarytoDecimal Conversion Exercise 152 DecimaltoBinary Conversion Exercise 152 Addresses for Different Purposes 152 Vocabulary Exercise: Matching 152 Internet Research Exercise 153 Vocabulary: Completion 153 Concept Questions 153 Assigning Addresses 154 Internet Research Exercises 154 Concept Questions 154 Is It on My Network? 155 Binary Matching Exercise 155 Concept Questions 156 Internet Research Exercise 156 Calculating Addresses 156 Concept Questions 156 MultipleChoice Questions 157 Testing the Network Layer 157 Concept Questions 157 Vocabulary Exercise: Completion 158 Lab 61: Ping and Traceroute (6.7.1.1) 159 Task 1: Use the ping Command to Verify Simple TCP/IP Network Connectivity 160 Task 2: Use the tracert Command to Verify TCP/IP Connectivity 164 Task 3: Challenge 166 Task 4: Reflection 168 Task 5: Clean Up 168 Packet Tracer Companion: ping and traceroute (6.7.1.2) 168 Lab 62: Examining ICMP Packets (6.7.2.1) 169 Task 1: Understand the Format of ICMP Packets 170 Task 2: Use Wireshark to Capture and Examine ICMP Messages 173 Task 3: Challenge 177 Task 4: Reflection 177 Task 5: Clean Up 177 Packet Tracer Companion: Examining ICMP Packets (6.7.2.2) 177 Activity 61: IPv4 Address Subnetting, Part 1 (6.7.3.1) 178 Task 1: For a Given IP Address, Determine Network Information 178 Task 2: Challenge 180 Task 3: Clean Up 182 Activity 62: IPv4 Address Subnetting, Part 2 (6.7.4.1) 183 Task 1: For a Given IP Address and Subnet Mask, Determine Subnet Information 184 Task 2: Challenge 188 Task 3: Clean Up 191 Lab 63: Subnet and Router Configuration (6.7.5.1) 192 Task 1: Subnet the Address Space 192 Task 2: Determine Interface Addresses 193 Task 3: Configure the Serial and FastEthernet Addresses 193 Task 4: Verify the Configurations 193 Task 5: Reflection 194 Packet Tracer Companion: Subnet and Router Configuration (6.7.5.2) 194 Skills Integration Challenge: Planning Subnets and Configuring IP Addresses (6.8.1.3) 194 Task 1: IP Subnet Planning 195 Task 2: Finish Building the Network in Packet Tracer 196 Task 3: Configure the Network 197 Task 4: Test the Network 197 Task 5: Reflection 197 Chapter 7: OSI Data Link Layer 199 Data Link Layer: Accessing the Media 199 Vocabulary Exercise: Matching 199 Concept Questions 199 Vocabulary Exercise: Completion 200 Media Access Control Techniques 200 Concept Questions 200 Vocabulary Exercise: Completion 201 Media Access Control: Addressing and Framing Data 201 Vocabulary Exercise: Matching 201 Concept Questions 202 Putting It All Together: Follow Data Through an Internetwork 203 Vocabulary Exercise: Completion 203 Lab 71: Frame Examination (7.5.2.1) 205 Task 1: Explain the Header Fields in an Ethernet II Frame 206 Task 2: Use Wireshark to Capture and Analyze Ethernet II Frames 209 Task 3: Challenge 212 Task 4: Reflection 212 Task 5: Clean Up 213 Skills Integration Challenge: Data Link Layer Issues (7.6.1.3) 213 Task 1: IP Subnet Planning 214 Task 2: Finish Building the Network in Packet Tracer, Attending to Some Layer 2 Issues 215 Task 3: Configure the Network 215 Task 4: Test the Network 216 Task 5: Reflection 216 Chapter 8: OSI Physical Layer 217 The Physical Layer: Communication Signals 217 Vocabulary Exercise: Completion 217 Concept Questions 217 Physical Signaling and Encoding: Representing Bits 218 Concept Questions 218 Vocabulary Exercise: Completion 218 Vocabulary Exercise: Matching 218 Physical Media: Connecting Communication 219 Concept Questions 219 Vocabulary Exercise: Matching 219 Lab 81: Media Connectors Lab Activity (Lab 8.4.1.1) 220 Task 1: Become Familiar with the Most Common Functions of a Cable Tester 221 Task 2: Test Different Cables for Type and Wiring Problems 223 Task 3: Perform Initial Configuration of the Fluke LinkRunner 224 Task 4: Verify Cable Length 226 Task 5: Reflection 226 Task 6: Challenge 226 Task 7: Clean Up 226 Skills Integration Challenge: Connecting Devices and Exploring the Physical View (8.5.1.3) 227 Task 1: Connect the Devices in the Standard Lab Setup 228 Task 2: View the Standard Lab Setup in the Physical Workspace 228 Chapter 9: Ethernet 231 Overview of Ethernet 231 Vocabulary Exercise: Matching 231 Concept Questions 232 Ethernet: Communication Through the LAN 232 Vocabulary Exercise: Matching 232 Concept Questions 233 The Ethernet Frame 234 Vocabulary Exercise: Matching 234 MultipleChoice Questions 234 Concept Questions 235 Ethernet Media Access Control 236 Vocabulary Exercise: Completion 236 Concept Questions 236 Ethernet Physical Layer 237 Vocabulary Exercise: Completion 237 Hubs and Switches 238 Vocabulary Exercise: Matching 238 Vocabulary Exercise: Completion 238 Concept Question 238 Address Resolution Protocol (ARP) 239 MultipleChoice Questions 239 Lab 91: Address Resolution Protocol (9.8.1.1) 241 Task 1: Use the Windows arp Command 242 Task 2: Use Wireshark to Examine ARP Exchanges 246 Task 3: Reflection 248 Task 4: Challenge 248 Task 5: Clean Up 248 Packet Tracer Companion: Address Resolution Protocol (9.8.1.2) 249 Lab 92: Cisco Switch MAC Table Examination (9.8.2.1) 249 Task 1: Use the Telnet Protocol to Log in to a Cisco Switch 251 Task 2: Use the Cisco IOS show macaddresstable Command to Examine MAC Addresses and Port Associations 251 Task 3: Challenge 253 Task 4: Reflection 253 Task 5: Clean Up 253 Packet Tracer Companion: Cisco Switch MAC Table Examination (9.8.2.2) 253 Lab 93: Intermediary Device as an End Device (9.8.3.1) 253 Task 1: Use Wireshark to Capture and Analyze Frames Originating from Network Nodes 255 Task 2: Examine the Origination of Frames in a Small Network 256 Task 3: Reflection 258 Task 4: Challenge 259 Task 5: Clean Up 259 Packet Tracer Companion: An Intermediary Device as an End Device (9.8.3.2) 259 Skills Integration Challenge: Switched Ethernet (9.9.1.3) 259 Task 1: IP Subnet Planning 260 Task 2: Repair Problems with the Ethernet Switched LAN 261 Task 3: Test the Network 261 Task 4: Reflection 261 Chapter 10: Planning and Cabling Networks 263 LANs: Making the Physical Connection 263 Concept Questions 263 MultipleChoice Questions 264 Vocabulary Exercise: Completion 264 Device Interconnections 264 Concept Questions 264 Vocabulary Exercise: Completion 265 Developing an Addressing Scheme 266 Concept Questions 266 Vocabulary Exercise: Completion 266 MultipleChoice Questions 266 Calculating the Subnets 267 Concept Questions 267 Device Interconnections 268 Concept Question 268 MultipleChoice Questions 268 Lab 101: How Many Networks? (10.3.2.2) 269 Task 1: Determine the Number of Subnets in Topology Diagram A 269 Task 2: Record Subnet Information 270 Task 3: Determine the Number of Subnets in Topology Diagram B 270 Task 4: Record Subnet Information 271 Task 5: Determine the Number of Subnets in Topology Diagram C 271 Task 6: Record Subnet Information 272 Task 7: Determine the Number of Subnets in Topology Diagram D 272 Task 8: Record Subnet Information 273 Task 9: Reflection 273 Lab 102: Creating a Small Lab Topology (10.6.1.1) 274 Task 1: Design the Logical Network 275 Task 2: Configure the Physical Lab Topology 277 Task 3: Configure the Logical Topology 277 Task 4: Verify Network Connectivity 279 Task 5: Reflection 280 Task 6: Challenge 280 Task 7: Clean Up 280 Packet Tracer Companion: Creating a Small Topology (10.6.1.2) 280 Lab 103: Establishing a Console Session with HyperTerminal (10.6.2.1) 281 Task 1: Connect a Router and Computer with a Console Cable 282 Task 2: Configure HyperTerminal to Establish a Console Session with a Cisco IOS Router 282 Task 3: Configure HyperTerminal to Establish a Console Session with a Cisco IOS Switch 284 Task 3: Reflection 286 Task 4: Challenge 286 Task 5: Clean Up 286 Lab 103 (Alternative): Establishing a Console Session with TeraTerm 287 Task 1: Connect a Router and Computer with a Console Cable 287 Task 2: Configure TeraTerm Web to Establish a Console Session with the Router 288 Task 3: Reflection 288 Task 4: Challenge 289 Task 5: Clean Up 289 Packet Tracer Companion: Establishing a Console Session with PT Terminal (10.6.2.2) 289 Lab 104: Establishing a Console Session with Minicom (10.6.3.1) 290 Task 1: Connect a Router and Computer with a Console Cable 290 Task 2: Configure Minicom to Establish a Console Session with the Router 291 Task 3: Perform Basic Commands 292 Task 4: Reflection 292 Task 5: Clean Up 293 Skills and Integration Challenge: Planning and Cabling Networks (10.7.1.3) 293 Task 1: Build the Network Topology 294 Task 2: Create and Assign an Addressing Scheme 294 Task 3: Interface Configuration 295 Task 4: Testing Connectivity 295 Chapter 11: Configuring and Testing Your Network 297 Configuring Cisco Devices: IOS Basics 297 Concept Questions 297 Vocabulary Exercise: Matching 298 Cisco IOS Command Exercises 298 Test Your Knowledge 299 Applying a Basic Configuration Using Cisco IOS 299 Concept Questions 299 MultipleChoice Questions 300 Vocabulary Exercise: Completion 301 Verifying Connectivity 301 Test Your Knowledge 301 Concept Question 301 Lab 111: Network Latency Documentation with ping (11.4.3.3) 302 Task 1: Use the ping Command to Document Network Latency 303 Task 2: Compute Various Statistics on the Output of a ping Capture 304 Task 3: Measure Delay Effects from Larger Datagrams 306 Task 4: Reflection 308 Task 5: Challenge 309 Lab 112: Basic Cisco Device Configuration (11.5.1.1) 310 Task 1: Configure Cisco Router Global Configuration Settings 312 Task 2: Configure Cisco Router Password Access 315 Task 3: Configure Cisco Router Interfaces 317 Task 4: Save the Router Configuration Files 319 Task 5: Configure a Cisco Switch 320 Task 6: Reflection 323 Task 7: Challenge 324 Task 8: Clean Up 325 Packet Tracer Companion: Basic Cisco Device Configuration (11.5.1.2) 326 Lab 113: Managing Device Configuration (11.5.2.1) 327 Task 1: Configure Network Connectivity 328 Task 2: Use TFTP to Save and Restore a Cisco IOS Configuration 329 Task 3: Reflection 333 Task 4: Challenge 333 Task 5: Clean Up 335 Packet Tracer Companion: Managing Device Configuration (11.5.2.2) 335 Lab 114: Configure Host Computers for IP Networking (11.5.3.1) 336 Task 1: Design the Logical Lab Topology 337 Task 2: Configure the Physical Lab Topology 338 Task 3: Configure the Logical Topology 338 Task 4: Verify Network Connectivity 340 Task 5: Reflection 341 Task 6: Challenge 341 Task 7: Clean Up 341 Lab 115: Network Testing (11.5.4.1) 342 Task 1: Design the Logical Lab Topology 343 Task 2: Configure the Physical Lab Topology 345 Task 3: Configure the Logical Topology 345 Task 4: Verify Network Connectivity 349 Task 5: Reflection 350 Task 6: Challenge 350 Task 7: Clean Up 351 Lab 116: Network Documentation with Utility Commands (11.5.5.1) 352 Task 1: Design the Logical Lab Topology 353 Task 2: Configure the Physical Lab Topology 354 Task 3: Configure the Logical Topology 354 Task 4: Verify Network Connectivity 356 Task 5: Document the Network 357 Task 6: Reflection 358 Task 7: Challenge 358 Task 8: Clean Up 359 Lab 117: Case Study: Datagram Analysis with Wireshark (11.5.6.1) 359 Task 1: Prepare the Lab 361 Task 2: Review the Process of Data Flowing Through the Network 361 Task 3: Analyze Captured Packets 363 Task 4: Complete the Final Analysis 365 Task 5: Conclusion 367 Task 6: Summary 367 Skills Integration Challenge: Configuring and Analyzing Networks (11.6.1.3) 367 Task 1: Plan 368 Task 2: Build and Configure the Network 369 Task 3: Test and Analyze 370 Task 4: Reflection 370
About the Authors
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Antoon "Tony"W. Rufi currently is the associate dean of computer and information science for all the ECPI College of Technology campuses. He also teaches the Cisco Networking Academy CCNA, CCNP, Network Security, Fundamentals of Wireless LAN, and IP Telephony curricula. Before becoming an instructor for ECPI, he spent almost 30 years in the U.S. Air Force, working on numerous electronic projects and computer programs. Tony has a master's degree in information science from the University of Maryland and a bachelor's degree in industrial technology from Southern Illinois University. Priscilla Oppenheimer is an author and network consultant with more than 25 years of experience in the computer industry. Priscilla has a master's degree in information science from the University of Michigan and has worked at such bigname companies as Apple Computer and Cisco Systems. She currently teaches at Southern Oregon University and provides network consulting to companies in her hometown of Ashland, Oregon, and elsewhere. Belle Woodward, CCNA, CCAI, CCNP, is an assistant professor in the School of Information Systems and Applied Technologies in the College of Applied Sciences and Arts at Southern Illinois University (SIU) in Carbondale, Illinois. She has more than nine years experience in the networking and network security field. Belle teaches network security, advanced networking, and telecommunications. After redesigning the networking and network security undergraduate curriculum, her students took first place at the 2006 Regional Midwestern Collegiate Cyber Defense Competition (CCDC) and fourth place at the national CCDC. In addition to publishing several journal articles in the network security discipline, Belle has also contributed several chapters included in published network security and networking books. Gerlinde Brady has been teaching Cisco CCNA and CCNP courses at Cabrillo College, a Cisco Regional Networking Academy, since 1999. She holds a master's degree in education from the University of Hannover, Germany, and a master's degree in translation (English/German) from the Monterey Institute of International Studies. Her IT industry experience includes LAN design, network administration, technical support, and training.
