Title Details

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.

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