CCNA Routing and Switching 200-125 Exam Cram (5th Edition)

Description

CCNA Routing and Switching 200-125 Exam Cram, Fifth Edition, is the perfect study guide to help you pass the Cisco 200-125 CCNA exam, providing coverage and practice questions for every exam topic. The book contains an extensive set of preparation tools, including topic overviews, ExamAlerts, CramSavers, CramQuizzes, chapter-ending review questions, author notes and tips, and an extensive glossary. The book also contains the extremely useful CramSheet tear-out: a collection of essential facts in an easy-to-review format. Complementing all these great study tools is the powerful Pearson Test Prep practice test software, complete with hundreds of exam-realistic practice questions. This assessment software offers you a wealth of customization options and reporting features, allowing you to test your knowledge in study mode should be.

Covers the critical information you’ll need to know to score higher on your CCNA exam!

• Compare and contrast networking models including OSI and TCP/IP
• Master subnetting in IPv4 u Understand important details of IPv6
• Configure Layer 2 switches, including VLANs, trunks, STP, and Port Security
• Deploy EtherChannel and switch stacking
• Configure and verify Inter-VLAN routing
• Configure, verify, and troubleshoot static and dynamic routing using OSPF, EIGRP, and RIPv2
• Describe basic QoS concepts
• Learn WAN topology and connectivity options and configure PPP, MLPPP, PPPoE, and GRE tunnel connectivity
• Configure and verify single-homed branch connectivity using eBGP IPv4
• Configure and verify key infrastructure services including DNS, DHCP, NTP, HSRP, and NAT
• Configure Cisco device hardening and deploy access layer security, AAA, and ACLs
• Learn how to manage Cisco infrastructure
• Troubleshoot networks using key IOS tools
• Understand network programmability concepts

Key Features

• Fully updated to cover the latest CCNA exam topics
• Part of the popular Exam Cram series which offers numerous study tools for exam preparation
• Practice test offers hundreds of exam-realistic questions
• Cram Sheets help reinforce key exam topics for quick review
• Includes video instruction on key exam pitfalls

Table of Contents

1. Introduction . . . . . . . . . . . xviii
2. Part I: Network Fundamentals 1
   1. CHAPTER 1: Network Fundamentals: Models and Designs . . . . . . 3
      1. Topic: Compare and contrast OSI and TCP/IP models . . . . 5
      2. Topic: Compare and contrast TCP and UDP protocols . . . 11
      3. Topic: Describe the impact of infrastructure components in an enterprise network . . . . . . . . . 15
      4. Topic: Describe the effects of cloud resources on enterprise network architecture . . . . . . . . . . . 18
      5. Topic: Compare and contrast collapsed core and three-tier architectures . . . . . . . . . . 22
      6. Topic: Compare and contrast network topologies . . . . 25
      7. Topic: Select the appropriate cabling type based on implementation requirements . . . . . . . . . . 28
      8. Topic: Apply troubleshooting methodologies to resolve problems . . 31
      9. Review Questions . . . . . . . . . . 33
      10. Answers to Review Questions . . . . . . . . 35
      11. Additional Resources . . . . . . . . . 36
   2. CHAPTER 2: Network Fundamentals: IPv4 . . . . . . . . . 37
      1. Topic: Configure, verify, and troubleshoot IPv4 addressing and subnetting . . . . . . . . . . . 38
      2. Topic: Compare and contrast IPv4 address types . . . . 47
      3. Topic: Describe the need for private IPv4 addressing . . . . 50
      4. Review Questions . . . . . . . . . . 53
      5. Answers to Review Questions . . . . . . . . 55
      6. Additional Resources . . . . . . . . . 56
   3. CHAPTER 3: Network Fundamentals: IPv6 . . . . . . . . . 57
      1. Topic: Identify the appropriate IPv6 addressing scheme to satisfy addressing requirements in a LAN/WAN environment . . . 58
      2. Topic: Configure, verify, and troubleshoot IPv6 addressing . . . 62
      3. Topic: Configure and verify IPv6 Stateless Address Auto Configuration . . . . . . . . . 66
      4. CCNA Routing and Switching 200-125 Exam Cram
      5. Topic: Compare and contrast IPv6 address types . . . . 69
      6. Review Questions . . . . . . . . . . 72
      7. Answers to Review Questions . . . . . . . . 74
      8. Additional Resources . . . . . . . . . 75
3. Part II: LAN Switching Technologies 77
   1. CHAPTER 4: LAN Switching Technologies: Switching Concepts . . . . . 79
      1. Topic: Describe and verify switching concepts . . . . . 80
      2. Topic: Interpret Ethernet frame format . . . . . . 85
      3. Topic: Troubleshoot interface and cable issues (collisions, errors, duplex, speed) . . . . . . . . . . 88
      4. Review Questions . . . . . . . . . . 94
      5. Answers to Review Questions . . . . . . . . 95
      6. Additional Resources . . . . . . . . . 96
   2. CHAPTER 5: LAN Switching Technologies: VLANs, Trunks, and STP . . . . 97
      1. Topic: Configure, verify, and troubleshoot VLANs (normal range) spanning multiple switches . . . . . . . . 99
      2. Topic: Configure, verify, and troubleshoot interswitch connectivity . 107
      3. Topic: Configure, verify, and troubleshoot STP protocols . . . 111
      4. Topic: Configure, verify, and troubleshoot STP-related optional features . . . . . . . . . . . 119
      5. Topic: Configure and verify Layer 2 protocols . . . . . 122
      6. Review Questions . . . . . . . . . . 125
      7. Answers to Review Questions . . . . . . . . 126
      8. Additional Resources . . . . . . . . . 127
   3. CHAPTER 6: LAN Switching Technologies: EtherChannel and Switch Stacking . . 129
      1. Topic: Configure, verify, and troubleshoot (Layer 2/Layer 3) EtherChannel . . . . . . . . . . 130
      2. Topic: Describe the benefits of switch stacking and chassis aggregation . . . . . . . . . . . 137
      3. Review Questions . . . . . . . . . . 139
      4. Answers to Review Questions . . . . . . . . 140
      5. Additional Resources . . . . . . . . . 141
4. Part III: Routing Technologies 143
   1. CHAPTER 7: Routing Technologies: Routing Concepts . . . . . . 145
      1. Topic: Describe the routing concepts . . . . . . 146
      2. Topic: Interpret the components of routing table . . . . 148
      3. Topic: Describe how a routing table is populated by different routing information sources . . . . . . . . 153
      4. Review Questions . . . . . . . . . . 156
      5. Answers to Review Questions . . . . . . . . 157
      6. Additional Resources . . . . . . . . . 158
   2. CHAPTER 8: Routing Technologies: Inter-VLAN Routing . . . . . . 159
      1. Topic: Configure, verify, and troubleshoot inter-VLAN routing . . 160
      2. Review Questions . . . . . . . . . . 171
      3. Answers to Review Questions . . . . . . . . 172
      4. Additional Resources . . . . . . . . . 173
   3. CHAPTER 9: Routing Technologies: Routing Methods . . . . . . . 175
      1. Topic: Compare and contrast static routing and dynamic routing . . 176
      2. Topic: Compare and contrast distance vector and link state routing protocols . . . . . . . . . . 179
      3. Topic: Compare and contrast interior and exterior routing protocols . 181
      4. Review Questions . . . . . . . . . . 183
      5. Answers to Review Questions . . . . . . . . 184
      6. Additional Resources . . . . . . . . . 185
   4. CHAPTER 10: Routing Technologies: Static Routing and Dynamic Routing . . . 187
      1. Topic: Configure, verify, and troubleshoot IPv4 and IPv6 static routing . . . . . . . . . 189
      2. Topic: Configure, verify, and troubleshoot single area and multi-area OSPFv2 for IPv4 (excluding authentication, filtering, manual summarization,
      3. redistribution, stub, virtual-link, and LSAs) . . 193
      4. Topic: Configure, verify, and troubleshoot single area and multi-area OSPFv3 for IPv6 (excluding authentication, filtering, manual summarization,
      5. redistribution, stub, virtual-link, and LSAs) . . 199
      6. Topic: Configure, verify, and troubleshoot EIGRP for IPv4 (excluding authentication, filtering, manual summarization, redistribution, and stub) . . . . . . . . 202
      7. Topic: Configure, verify, and troubleshoot EIGRP for IPv6 (excluding authentication, filtering, manual summarization, redistribution, and stub) . . . . . . . . 205
      8. Topic: Configure, verify, and troubleshoot RIPv2 for IPv4 (excluding authentication, filtering, manual summarization, and redistribution) . . . . . . . . . . 208
      9. Topic: Troubleshoot basic Layer 3 end-to-end connectivity issues . 218
      10. Review Questions . . . . . . . . . . 220
      11. Answers to Review Questions . . . . . . . . 222
      12. Additional Resources . . . . . . . . . 223
5. Part IV: WAN Technologies 225
   1. CHAPTER 11: WAN Technologies: WAN Options . . . . . . . . 227
      1. Topic: Configure and verify PPP and MLPPP on WAN interfaces using local authentication . . . . . . . . 228
      2. Topic: Configure, verify, and troubleshoot PPPoE client-side interfaces using local authentication . . . . . . 232
      3. Topic: Configure, verify, and troubleshoot GRE tunnel connectivity . 235
      4. Topic: Describe WAN topology options . . . . . . 238
      5. Topic: Describe WAN access connectivity options . . . . 240
      6. Review Questions . . . . . . . . . . 242
      7. Answers to Review Questions . . . . . . . . 243
      8. Additional Resource . . . . . . . . . 244
   2. CHAPTER 12: WAN Technologies: eBGP . . . . . . . . . 245
      1. Topic: Configure and verify single-homed branch connectivity using eBGP IPv4 (limited to peering and route advertisement using Network command only. . . . . . . 246
      2. Review Questions . . . . . . . . . . 251
      3. Answers to Review Questions . . . . . . . . 252
      4. Additional Resource . . . . . . . . . 253
   3. CHAPTER 13: WAN Technologies: QoS . . . . . . . . . 255
      1. Topic: Describe basic QoS concepts . . . . . . . 256
      2. Review Questions . . . . . . . . . . 259
      3. Answers to Review Questions . . . . . . . . 260
      4. Additional Resource . . . . . . . . . 261
6. Part V: Infrastructure Services 263
   1. CHAPTER 14: Infrastructure Services: DNS, DHCP, NTP, HSRP . . . . . 265
      1. Topic: Describe DNS lookup operation . . . . . . 267
      2. Topic: Troubleshoot client connectivity issues involving DNS . . 270
      3. Topic: Configure and verify DHCP on a router (excluding static reservations). . . . . . . . . . . 275
      4. Topic: Troubleshoot client- and router-based DHCP connectivity issues . . . . . . . . . 280
      5. Topic: Configure and verify NTP operating in client/server mode . 289
      6. Topic: Configure, verify, and troubleshoot basic HSRP . . . 292
      7. Review Questions . . . . . . . . . . 295
      8. Answers to Review Questions . . . . . . . . 296
      9. Additional Resources . . . . . . . . . 297
   2. CHAPTER 15: Infrastructure Services: NAT . . . . . . . . . 299
      1. Topic: Configure, verify, and troubleshoot inside source NAT . . 300
      2. Review Questions . . . . . . . . . . 309
      3. Answers to Review Questions . . . . . . . . 310
      4. Additional Resource . . . . . . . . . 311
7. Part VI: Infrastructure Security 313
   1. CHAPTER 16: Infrastructure Security: Access Layer Security, AAA . . . . 315
      1. Topic: Configure, verify, and troubleshoot port security . . . 316
      2. Topic: Describe common access layer threat mitigation techniques . 321
      3. Topic: Describe device security using AAA with TACACS+ and RADIUS . . . . . . . . . . . 323
      4. Review Questions . . . . . . . . . . 325
      5. Answers to Review Questions . . . . . . . . 326
      6. Additional Resources . . . . . . . . . 327
   2. CHAPTER 17: Infrastructure Security: ACLs . . . . . . . . . 329
      1. Topic: Configure, verify, and troubleshoot IPv4 standard numbered and named access list for routed interfaces . . . . . 330
      2. Review Questions . . . . . . . . . . 344
      3. Answers to Review Questions . . . . . . . . 345
      4. Additional Resources . . . . . . . . . 346
   3. CHAPTER 18: Infrastructure Security: Device Hardening . . . . . . 347
      1. Topic: Configure, verify, and troubleshoot basic device hardening . . . . . . . . . . . 348
      2. Review Questions . . . . . . . . . . 359
      3. Answers to Review Questions . . . . . . . . 360
      4. Additional Resources . . . . . . . . . 361
8. Part VII: Infrastructure Management 363
   1. CHAPTER 19: Infrastructure Management: SNMP, Syslog, IP SLA . . . . . 365
      1. Topic: Configure and verify device-monitoring using syslog and SNMP . . . . . . . . . . 366
      2. Topic: Troubleshoot network connectivity issues using ICMP echo-based IP SLA . . . . . . . . 371
      3. Review Questions . . . . . . . . . . 373
      4. Answers to Review Questions . . . . . . . . 374
      5. Additional Resources . . . . . . . . . 375
   2. CHAPTER 20: Infrastructure Management: Device Management . . . . . 377
      1. Topic: Configure and verify device management . . . . 378
      2. Review Questions . . . . . . . . . . 384
      3. Answers to Review Questions . . . . . . . . 385
      4. Additional Resources . . . . . . . . . 386
   3. CHAPTER 21: Infrastructure Management: Initial Device Configuration . . . . 387
      1. Topic: Configure and verify initial device configuration. . . 388
      2. Review Questions . . . . . . . . . . 395
      3. Answers to Review Questions . . . . . . . . 396
      4. Additional Resource . . . . . . . . . 397
   4. CHAPTER 22: Infrastructure Management: Device Maintenance . . . . . 399
      1. Topic: Perform device maintenance . . . . . . . 400
      2. Review Questions . . . . . . . . . . 406
      3. Answers to Review Questions . . . . . . . . 407
      4. Additional Resources . . . . . . . . . 408
   5. CHAPTER 23: Infrastructure Management: IOS Troubleshooting Tools . . . . 409
      1. Topic: Use Cisco IOS tools to troubleshoot and resolve problems . 410
      2. Review Questions . . . . . . . . . . 427
      3. Answers to Review Questions . . . . . . . . 429
      4. Additional Resources . . . . . . . . . 430
   6. CHAPTER 24: Infrastructure Management: Network Programmability . . . . 431
      1. Topic: Describe network programmability in enterprise network architecture . . . . . . . . . . . 432
      2. Review Questions . . . . . . . . . . 435
      3. Answers to Review Questions . . . . . . . . 436
      4. Additional Resource . . . . . . . . . 437
9. Part VIII: Command Reference, Practice Exams, and Glossary 439
   1. Command Reference . . . . . . . . . . 441
   2. Practice Exam 1 . . . . . . . . . . . 453
   3. Answer Key to Practice Exam 1 . . . . . . . . 469
   4. Practice Exam 2 . . . . . . . . . . . 477
   5. Answer Key to Practice Exam 2 . . . . . . . . 503
   6. Glossary . . . . . . . . . . . . 511

Author Biography

Anthony Sequeira, CCIE No. 15626, is a Cisco Certified Systems Instructor (CCSI) and author regarding all levels and tracks of Cisco Certification. Anthony formally began his career in the information technology industry in 1994 with IBM in Tampa, Florida. He quickly formed his own computer consultancy, Computer Solutions, and then discovered his true passion—teaching and writing about Microsoft and Cisco technologies. Anthony joined Mastering Computers in 1996 and lectured to massive audiences around the world about the latest in computer technologies. Mastering Computers became the revolutionary online training company, KnowledgeNet, and Anthony trained there for many years. Anthony is currently pursuing his second CCIE in the area of Security and is a full-time instructor for the next-generation of KnowledgeNet, StormWind. Anthony is also a VMware Certified Professional.