CompTIA Network+ Lab Manual

Toby Skandier, Network+, A+, i-Net+, Server+, is founder of Talskan Technologies, LLC, a technical education provider based in North Carolina. He is the author of Network Administrator Street Smarts: A Real World Guide to CompTIA Network+ Skills and has coauthored numerous books for Sybex, including the CompTIA A+ Complete Study Guide.

Introduction xix Phase 1 Designing an Internetwork 1 Task 1.1: Drawing an Internetwork 2 Scenario 3 Scope of Task 3 Procedure 4 Criteria for Completion 7 Task 1.2: Identifying Network Components 10 Scenario 11 Scope of Task 11 Procedure 11 Criteria for Completion 12 Task 1.3: Differentiating Ethernet Devices 16 Scenario 17 Scope of Task 17 Procedure 17 Criteria for Completion 20 Task 1.4: Identifying Collision and Broadcast Domains 20 Scenario 20 Scope of Task 20 Procedure 21 Criteria for Completion 22 Task 1.5: Discovering and Filtering MAC Addresses 25 Scenario 26 Scope of Task 26 Procedure 26 Criteria for Completion 39 Task 1.6: Applying the OSI Model 39 Scenario 39 Scope of Task 39 Procedure 40 Criteria for Completion 42 Task 1.7: Developing an IP Addressing Scheme 42 Scenario 42 Scope of Task 42 Procedure 43 Criteria for Completion 53 Task 1.8: Designing a VLAN Scheme 55 Scenario 56 Scope of Task 56 Procedure 57 Criteria for Completion 61 Task 1.9: Planning for Static and Dynamic Routing 62 Scenario 62 Scope of Task 62 Procedure 63 Criteria for Completion 69 Phase 2 Implementing and Configuring the Design 71 Task 2.1: Assigning IP Addresses 72 Scenario 72 Scope of Task 73 Procedure 73 Criteria for Completion 97 Task 2.2: Naming Network Devices 97 Scenario 98 Scope of Task 98 Procedure 99 Criteria for Completion 103 Task 2.3: Implementing Static and Dynamic Routing 103 Scenario 104 Scope of Task 104 Procedure 105 Criteria for Completion 112 Task 2.4: Installing Wireless NICs 112 Scenario 112 Scope of Task 112 Procedure 113 Criteria for Completion 125 Task 2.5: Measuring Wireless Signal Strength 126 Scenario 126 Scope of Task 127 Procedure 127 Criteria for Completion 129 Task 2.6: Implementing Bluetooth 129 Scenario 130 Scope of Task 131 Procedure 131 Criteria for Completion 134 Task 2.7: Implementing Ad Hoc Wireless Networking 135 Scenario 135 Scope of Task 135 Procedure 136 Criteria for Completion 146 Task 2.8: Using an Analog Modem 146 Scenario 147 Scope of Task 147 Procedure 148 Criteria for Completion 160 Task 2.9: Using a DSL Modem 160 Scenario 160 Scope of Task 160 Procedure 161 Criteria for Completion 167 Task 2.10: Using a Router as a Frame Relay Switch 167 Scenario 167 Scope of Task 167 Procedure 168 Criteria for Completion 174 Task 2.11: Simulating T1 CSU/DSUs 174 Scenario 175 Scope of Task 175 Procedure 176 Criteria for Completion 179 Task 2.12: Installing a Virtual Machine 179 Scenario 179 Scope of Task 179 Procedure 180 Criteria for Completion 192 Phase 3 Maintaining and Securing the Network 193 Task 3.1: Creating Local User Accounts 194 Scenario 195 Scope of Task 195 Procedure 196 Criteria for Completion 199 Task 3.2: Creating Local User Groups 200 Scenario 200 Scope of Task 200 Procedure 201 Criteria for Completion 205 Task 3.3: Managing Access to Resources 205 Scenario 205 Scope of Task 206 Procedure 206 Criteria for Completion 219 Task 3.4: Disabling Local User Accounts 219 Scenario 220 Scope of Task 220 Procedure 221 Criteria for Completion 224 Task 3.5: Setting Password Restrictions 224 Scenario 225 Scope of Task 225 Procedure 226 Criteria for Completion 234 Task 3.6: Mitigating the Ping of Death 234 Scenario 235 Scope of Task 235 Procedure 236 Criteria for Completion 239 Task 3.7: Securing Links Between Routers 239 Scenario 239 Scope of Task 240 Procedure 240 Criteria for Completion 245 Task 3.8: Guarding against SYN Flood Attacks 245 Scenario 246 Scope of Task 246 Procedure 246 Criteria for Completion 250 Task 3.9: Implementing File-Level Encryption 250 Scenario 251 Scope of Task 251 Procedure 252 Criteria for Completion 262 Task 3.10: Establishing Data Encryption between Routers 262 Scenario 262 Scope of Task 262 Procedure 263 Criteria for Completion 275 Task 3.11: Creating Data Backups 275 Scenario 276 Scope of Task 276 Procedure 277 Criteria for Completion 292 Task 3.12: Running an Antivirus Scan 292 Scenario 292 Scope of Task 292 Procedure 293 Criteria for Completion 299 Task 3.13: Running an Antispyware Scan 300 Scenario 300 Scope of Task 300 Procedure 301 Criteria for Completion 311 Task 3.14: Searching for Operating System Updates 311 Scenario 312 Scope of Task 312 Procedure 313 Criteria for Completion 319 Phase 4 Troubleshooting the Network 321 Task 4.1: Using ARP Utilities 322 Scenario 323 Scope of Task 323 Procedure 323 Criteria for Completion 326 Task 4.2: Using the NETSTAT Utility 326 Scenario 327 Scope of Task 327 Procedure 327 Criteria for Completion 330 Task 4.3: Using the FTP Utility 330 Scenario 330 Scope of Task 330 Procedure 331 Criteria for Completion 348 Task 4.4: Using Ping Utilities 348 Scenario 348 Scope of Task 348 Procedure 349 Criteria for Completion 352 Task 4.5: Using the IPCONFIG Utility 353 Scenario 353 Scope of Task 353 Procedure 354 Criteria for Completion 361 Task 4.6: Using Traceroute Utilities 361 Scenario 362 Scope of Task 362 Procedure 363 Criteria for Completion 366 Task 4.7: Using Telnet 367 Scenario 367 Scope of Task 367 Procedure 367 Criteria for Completion 371 Task 4.8: Using the NSLOOKUP Utility 372 Scenario 372 Scope of Task 372 Procedure 373 Criteria for Completion 378 Task 4.9a: Using the Built-in Protocol Analyzer 378 Scenario 379 Scope of Task 379 Procedure 379 Criteria for Completion 391 Task 4.9b: Using a Third-Party Protocol Analyzer 391 Scenario 392 Scope of Task 392 Procedure 392 Criteria for Completion 401 Task 4.10: Displaying Computer Event Logs 401 Scenario 401 Scope of Task 402 Procedure 402 Criteria for Completion 413 Index 415