31 Days Before Your CCNA 200-301 Exam : 9780135964088

31 Days Before Your CCNA 200-301 Exam

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Pearson Higher Ed USA
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31 Days Before Your CCNA 200-301 Exam offers a friendly, practical way to understand the CCNA Routing & Switching certification process, commit to taking the CCNA 200-301 exam, and fully prepare using a variety of Foundational and Supplemental study resources.

Use this book’s day-by-day guide and checklist to organize, prepare, and review all the exam objectives. The book breaks down key exam topics into 31 daily review sessions using short summaries, lists, tables, examples, and graphics. A Study Resources section provides you with a quick reference for locating more in-depth treatment of a day’s topics within Foundational and Supplemental resources.

This book’s features help you fit exam preparation into a busy schedule:

  • Tear out visual calendar summarizes each day’s study topics
  • Checklist highlights important tasks and deadlines leading up to your exam
  • Description of the CCNA 200-301 exam organization and sign up process
  • Strategies from the author help you to be mentally, organizationally, and physically prepared for exam day
  • Conversational tone, making your study time more enjoyable
Table of contents
Previous edition's TOC:
Introduction xxviiiDigital Study Guide xxxiiiDay 31: Networking Models, Devices, and Components 1CCNA 200-125 Exam Topics 1Key Points 1The OSI and TCP/IP Models 1 OSI Layers 2 TCP/IP Layers and Protocols 3 Protocol Data Units and Encapsulation 4The TCP/IP Application Layer 5The TCP/IP Transport Layer 5 TCP Header 6 Port Numbers 7 Error Recovery 7 Flow Control 8 Connection Establishment and Termination 9 UDP 10The TCP/IP Internet Layer 10The TCP/IP Network Access Layer 11Data Encapsulation Summary 12Devices 13 Switches 13 Access Layer Switches 14 Distribution Layer Switches 14 Core Layer Switches 14 Routers 15 Specialty Devices 15 Firewalls 16 IDS and IPS 16 Access Points and Wireless LAN Controllers 17Physical Layer 19 Network Media Forms and Standards 19LAN Device Connection Guidelines 21LANs and WANs 22Networking Icons 23Physical and Logical Topologies 23Hierarchical Campus Designs 24Study Resources 26Day 30: Ethernet Switching 27CCNA 200-125 Exam Topics 27Key Topics 27Evolution to Switching 27Switching Logic 28Collision and Broadcast Domains 29Frame Forwarding 29 Switch Forwarding Methods 29 Symmetric and Asymmetric Switching 30 Memory Buffering 30 Layer 2 and Layer 3 Switching 30Ethernet Overview 30Legacy Ethernet Technologies 31 CSMA/CD 32 Legacy Ethernet Summary 33Current Ethernet Technologies 33UTP Cabling 34Benefits of Using Switches 35Ethernet Addressing 36Ethernet Framing 37The Role of the Physical Layer 38Study Resources 39Day 29: Switch Configuration Basics 41CCENT 100-101 ICND1 Exam Topics 41Key Topics 41Accessing and Navigating the Cisco IOS 41 Connecting to Cisco Devices 41 CLI EXEC Sessions 42 Using the Help Facility 42 CLI Navigation and Editing Shortcuts 43 Command History 44 IOS Examination Commands 44 Subconfiguration Modes 45Basic Switch Configuration Commands 46Half-Duplex, Full-Duplex, and Port Speed 47 Automatic Medium-Dependent Interface Crossover (auto-MDIX) 48Verifying Network Connectivity 48Troubleshoot Interface and Cable Issues 51 Media Issues 51 Interface Status and the Switch Configuration 52 Interface Status Codes 52 Duplex and Speed Mismatches 52 Common Layer 1 Problems On “Up” Interfaces 54Study Resources 5
Day 28: VLAN and Trunking Concepts and Configurations 57CCENT 100-101 ICND1 Exam Topics 57Key Points 57VLAN Concepts 57 Traffic Types 58 Types of VLANs 59 Voice VLAN Example 59Trunking VLANs 60 Dynamic Trunking Protocol 61VLAN Configuration and Verification 62 Extended VLANs 66Trunking Configuration and Verification 68VLAN Troubleshooting 71 Disabled VLANs 72Trunking Troubleshooting 73 Check Both Ends of a Trunk 73 Check Trunking Operational States 74Study Resources 75Day 27: IPv4 Addressing 77CCENT 100-101 ICND1 Exam Topics 77Key Topics 77IPv4 Addressing 77 Header Format 78 Classes of Addresses 78 Purpose of the Subnet Mask 80Private and Public IP Addressing 81Subnetting in Four Steps 81 Determine How Many Bits to Borrow 81 Determine the New Subnet Mask 82 Determine the Subnet Multiplier 83 List the Subnets, Host Ranges, and Broadcast Addresses 83 Subnetting Example 1 83 Subnetting Example 2 84 Subnetting Example 3 84VLSM 85Study Resources 87Day 26: IPv6 Addressing 89CCNA 200-125 Exam Topics 89Key Topics 89Overview and Benefits of IPv6 89The IPv6 Protocol 90IPv6 Address Types 91 Unicast 92 Global Unicast Address 92 Link-Local Address 95 Loopback Address 96 Unspecified Address 96 Unique Local Address 96 IPv4 Embedded Address 97 Multicast 98 Assigned Multicast 98 Solicited-Node Multicast 98 Anycast 100Representing the IPv6 Address 100 Conventions for Writing IPv6 Addresses 100 Conventions for Writing IPv6 Prefixes 101IPv6 Subnetting 102 Subnetting the Subnet ID 103 Subnetting into the Interface ID 103EUI-64 Concept 103Stateless Address Autoconfiguration 104Migration to IPv6 105Study Resources 106Day 25: Basic Routing Concepts 107CCNA 200-125 Exam Topics 107Key Topics 107Packet Forwarding 107 Path Determination and Switching Function Example 108Routing Methods 109Classifying Dynamic Routing Protocols 110 IGP and EGP 110 Distance Vector Routing Protocols 111 Link-State Routing Protocols 111 Classful Routing Protocols 112 Classless Routing Protocols 112Dynamic Routing Metrics 112Administrative Distance 113IGP Comparison Summary 115Routing Loop Prevention 115Link-State Routing Protocol Features 116 Building the LSDB 116 Calculating the Dijkstra Algorithm 117 Convergence with Link-State Protocols 118Study Resources 119Day 24: Basic Router Configuration 121CCNA 200-125 Exam Topics 121Key Topic 121Basic Router Configuration with IPv4 121 Command Syntax 122 Configuration Example 122 Verification Example 124Basic Router Configuration with IPv6 130 Command Syntax 130 Configuration Example 130Verifying IPv4 and IPv6 Network Connectivity 133Basic IP Addressing Troubleshooting 136 Default Gateway 136 Duplicate IP Addresses 136Study Resources 137Day 23: Static and Default Route Configuration 139CCNA 200-125 Exam Topics 139Key Topics 139Static and Default Routing Overview 139IPv4 Static Route Configuration 140 IPv4 Static Routes Using the Next-Hop Parameter 142 IPv4 Static Routes Using the Exit Interface Parameter 143 IPv4 Default Route Configuration 144 IPv4 Summary Static Route Configuration 147 IPv6 Static Routing 148 IPv6 Static Route Configuration 149 IPv6 Default Route Configuration 150 IPv6 Summary Static Route Configuration 151Study Resources 152Day 22: RIPv2 Implementation 155CCNA 200-125 Exam Topics 155Key Topic 155RIP Concepts 155 RIPv1 Message Format 155 RIPv1 Operation 156RIPv1 Configuration 156 RIPv1 Verification and Troubleshooting 158 Passive Interfaces 161 Automatic Summarization 162 Default Routing and RIPv1 164RIPv2 Configuration 165 Disabling Autosummarization 167 RIPv2 Verification and Troubleshooting 167Study Resources 168Day 21: VTP and Inter-VLAN Routing Configuration 169CCNA 200-125 Exam Topics 169Key Topics 169VTP Concepts 169VTP Configuration and Verification 171Inter-VLAN Routing Concepts 175 Legacy Inter-VLAN Routing 175 Router on a Stick 176 Multilayer Switch 177Router on a Stick Configuration and Verification 177Multilayer Switch Inter-VLAN Routing Configuration and Verification 180 Creating Additional SVIs 180 Configuring a Layer 3 Routed Port 182Study Resources 182Day 20: OSPF Operation 185CCNA 200-125 Exam Topics 185Key Topics 185Single-Area OSPF Operation 185 OSPF Message Format 185 OSPF Packet Types 186 Neighbor Establishment 186 Link-State Advertisements 188 OSPF DR and BDR 189 OSPF Algorithm 189 Link-State Routing Process 190OSPFv2 Versus OSPFv3 191 Similarities Between OSPFv2 and OSPFv3 191 Differences Between OSPFv2 and OSPFv3 192Multiarea OSPF Operation 192 Multiarea OSPF Design 192 Multiarea OSPF Improves Performance 194Study Resources 194Day 19: Single-Area OSPF Implementation 197CCNA 200-125 Exam Topics 197Key Topics 197Single-Area OSPFv2 Configuration 197 The router ospf Command 198 Router ID 198 The network Command 199 Passive Interfaces 200 Modifying the OSPF Metric 200Verifying OSPFv2 203Single-Area OSPFv3 Configuration 206 The Router ID in OSPFv3 208Verifying OSPFv3 209Study Resources 212Day 18: Multiarea OSPF Implementation 215CCNA 200-125 Exam Topics 215Key Topics 215Multiarea OSPFv2 Implementation 215Multiarea OSPFv3 Implementation 218Study Resources 223Day 17: Fine-Tuning and Troubleshooting OSPF 225CCNA 200-125 Exam Topics 225Key Topics 225OSPFv2 Configuration Example 225Modifying OSPFv2 227 Redistributing a Default Route 227 Modifying Hello and Dead Intervals 228 OSPF Network Types 228 DR/BDR Election 229 Controlling the DR/BDR Election 229OSPFv3 Configuration Example 231Modifying OSPFv3 233 Propagating a Default Route 233 Modifying the Timers 234Troubleshooting OSPF 235 OSPF States 235 OSPF Adjacency 236 OSPF Troubleshooting Commands 236Study Resources 238Day 16: EIGRP Operation 239CCNA 200-125 Exam Topics 239Key Topics 239EIGRP Overview 239EIGRP Characteristics 240 PDMs 240 RTP 240 EIGRP Packet Types 241 EIGRP Message Format 241EIGRP Processes 243 EIGRP Convergence 243 EIGRP Composite Metric 244 Administrative Distance 244 DUAL 245 DUAL Concepts 245 DUAL FSM 246Study Resources 247Day 15: EIGRP Implementation 249CCNA 200-125 Exam Topics 249Key Topics 249EIGRP for IPv4 Configuration 249 EIGRP Topology and Addressing Scheme 249 The network Command 250 The Router ID 250EIGRP for IPv4 Verification 251 Examining the Protocol Details 251 Examining Neighbor Tables 252 Examining the Topology Tables 253 Examining the Routing Table 255EIGRP for IPv6 Concepts 255EIGRP for IPv6 Configuration 256EIGRP for IPv6 Verification 258 Examining the Protocol Details 258 Examining the Neighbor Table 259 Examining the Routing Table 260Study Resources 261Day 14: Fine-Tuning and Troubleshooting EIGRP 263CCNA 200-125 Exam Topics 263Key Topics 263Modifying the EIGRP for IPv4 Configuration 263 Automatic Summarization 263 EIGRP for IPv4 Topology 264 Propagating an IPv4 Default Route 265 Modifying the EIGRP Metric 266 Modifying Hello Intervals and Hold Times 266Modifying EIGRP for IPv6 267 EIGRP for IPv6 Topology 267 Propagating an IPv6 Default Route 267 Modifying Bandwidth Utilization 268 Modifying Hello Intervals and Hold Times 269EIGRP Troubleshooting Commands 269Discontiguous Networks 270Study Resources 271Day 13: CDP and LLDP 273CCNA 200-125 Exam Topics 273Key Topics 273CDP Overview 273CDP Configuration 274CDP Verification 277LLDP Overview 279LLDP Configuration 280LLDP Verification 281Study Resources 283Day 12: LAN Security and Device Hardening 285CCNA 200-125 Exam Topics 285Key Topics 285Port Security Configuration 285Port Restoration After a Violation 288LAN Threat Mitigation 289 DHCP Snooping 289 Native and Management VLAN Modification 290 Switch Port Hardening 291 AAA 292 802.1X 293SSH Configuration 294Study Resources 296Day 11: STP 297CCNA 200-125 Exam Topics 297Key Topics 297STP Concepts and Operation 297STP Algorithm 298STP Convergence 299STP Varieties 300PVST Operation 301 Port States 302 Extended System ID 303Rapid PVST+ Operation 303 RSTP Interface Behavior 304 RSTP Port Roles 305 Edge Ports 305Configuring and Verifying Varieties of STP 306 STP Configuration Overview 306 Configuring and Verifying the BID 307 Configuring PortFast and BPDU Guard 309 Configuring Rapid PVST+ 309 Verifying STP 310Switch Stacking 310Study Resources 312Day 10: EtherChannel and HSRP 313CCNA 200-125 Exam Topics 313Key Topics 313EtherChannel Operation 313 Benefits of EtherChannel 314 Implementation Restrictions 314EtherChannel Protocols 315 Port Aggregation Protocol 315 Link Aggregation Control Protocol 315Configuring EtherChannel 316Verifying EtherChannel 317Troubleshooting EtherChannel 319First-Hop Redundancy Concepts 319FHRPs 320HSRP Operation 321 HSRP Versions 321 HSRP Priority and Preemption 322HSRP Configuration and Verification 322HSRP Load Balancing 323Troubleshooting HSRP 326Study Resources 326Day 9: ACL Concepts 329CCNA 200-125 Exam Topics 329Key Topics 329ACL Operation 329 Defining an ACL 329 Processing Interface ACLs 329 List Logic with IP ACLs 330Planning to Use ACLs 331 Types of ACLs 332 ACL Identification 333 ACL Design Guidelines 333Study Resources 334Day 8: ACL Implementation 335CCNA 200-125 Exam Topics 335Key Topics 335Configuring Standard Numbered IPv4 ACLs 335 Standard Numbered IPv4 ACL: Permit Specific Network 335 Standard Numbered IPv4 ACL: Deny a Specific Host 336 Standard Numbered IPv4 ACL: Deny a Specific Subnet 337 Standard Numbered IPv4 ACL: Deny Telnet or SSH Access to the Router 337Configuring Extended Numbered IPv4 ACLs 337 Extended Numbered IPv4 ACL: Deny FTP from Subnets 338 Extended Numbered IPv4 ACL: Deny Only Telnet from Subnet 338Configuring Named IPv4 ACLs 339 Standard Named IPv4 ACL Steps and Syntax 339 Standard Named IPv4 ACL: Deny a Single Host from a Given Subnet 340 Extended Named IPv4 ACL Steps and Syntax 340 Adding Comments to Named or Numbered IPv4 ACLs 340Verifying IPv4 ACLs 341Comparing IPv4 and IPv6 ACLs 343Configuring IPv6 ACLs 343 Step 1: Name the IPv6 ACL 344 Step 2: Create the IPv6 ACL 344 Step 3: Apply the IPv6 ACL 344 Standard IPv6 ACL: Allow SSH Remote Access 344 Extended IPv6 ACL: Allow Only Web Traffic 345Verifying IPv6 ACLs 346Troubleshooting ACLs 348Study Resources 349Day 7: DHCP and DNS 351CCNA 200-125 Exam Topics 351Key Topics 351DHCPv4 351DHCPv4 Configuration Options 352 Configuring a Router as a DHCPv4 Server 352 Configuring a Router to Relay DHCPv4 Requests 356 Configuring a Router as a DHCPv4 Client 357DHCPv6 358 SLAAC 358 Stateless DHCPv6 360 Stateful DHCPv6 360 Stateless and Stateful DHCPv6 Operation 360DHCPv6 Configuration Options 361 Configuring a Router as a Stateless DHCPv6 Server 361 Configuring a Router as a Stateful DHCPv6 Server 363DHCP Troubleshooting 363 Resolve IPv4 Address Conflicts 363 Test Connectivity Using a Static IP Address 364 Verify Switch Port Configuration 364 Test DHCPv4 Operation on the Same Subnet or VLAN 364DNS Operation 364Troubleshooting DNS 366Study Resources 367Day 6: NAT 369CCNA 200-125 Exam Topics 369Key Topics 369NAT Concepts 369 A NAT Example 371 Dynamic and Static NAT 372 NAT Overload 372 NAT Benefits 373 NAT Limitations 373Configuring Static NAT 374 Configuring Dynamic NAT 375 Configuring NAT Overload 376Verifying NAT 377Troubleshooting NAT 378NAT for IPv6 379 IPv6 Private Address Space 379 Purpose of NAT for IPv6 379Study Resources 380Day 5: WAN Overview 381CCNA 200-125 Exam Topics 381Key Topics 381WAN Topologies 381WAN Connection Options 382 Dedicated Connection Options 383 Circuit-Switched Connection Options 384 Packet-Switched Connection Options 385 Metro Ethernet 385 MPLS 386 Internet Connection Options 386 DSL 386 Cable Modem 387 Wireless 388 Choosing a WAN Link Option 388VPN Technology 389 VPN Benefits 389 Types of VPN Access 389Study Resources 391Day 4: WAN Implementation 393CCNA 200-125 Exam Topics 393Key Topics 393PPP Concepts 393 The PPP Frame Format 393 PPP Link Control Protocol (LCP) 394 Looped-Link Detection 394 Enhanced Error Detection 395 PPP Multilink 395 PPP Authentication 395PPP Configuration and Verification 396 Basic PPP 396 CHAP 397 PAP 398PPP Troubleshooting 398PPPoE Concepts 399PPPoE Configuration 399 PPPoE Configuration Example 400 PPPoE Troubleshooting 400GRE Tunneling 401 GRE Characteristics 401 GRE Configuration and Verification 401 GRE Troubleshooting 403BGP Concepts 403eBGP Configuration and Verification 404Study Resources 407Day 3: QoS, Cloud, and SDN 409CCNA 200-125 Exam Topics 409Key Topics 409QoS 409 Classification and Marking 410 DSCP and IPP 411 EF and AF 412 Congestion Management 413 Policing, Shaping, and TCP Discards 413 QoS and TCP 415Cloud Computing 416 Server Virtualization 416 Cloud Computing Services 418 Virtual Network Infrastructure 419Software-Defined Networking 419 Data, Control, and Management Planes 419 Controllers 421 SDN Examples 421 Open SDN and OpenFlow 421 The Cisco Application Centric Infrastructure 422 The Cisco APIC Enterprise Module (APIC-EM) 423 APIC-EM and ACLs 424Study Resources 426Day 2: Device Monitoring, Management, and Maintenance 427CCNA 200-125 Exam Topics 427Key Topics 427SNMP Operation 427 SNMP Components 427 SNMP Messages 427 SNMP Versions 428 The Management Information Base 428Configuring SNMP 430Verifying SNMP 430Syslog 432 Syslog Operation 432 Syslog Configuration and Verification 434Network Time Protocol 436Cisco IOS File System and Devices 437 IFS Commands 437 URL Prefixes for Specifying File Locations 440 Commands for Managing Configuration Files 440Manage Cisco IOS Images 442 Backing Up a Cisco IOS Image 442 Restoring a Cisco IOS Image 443Managing Cisco IOS Licenses 444Password Recovery 448Study Resources 449Day 1: Troubleshooting Methodologies and Tools 451CCNA 200-125 Exam Topics 451Key Topics 451Troubleshooting Documentation 451 Configuration Files 451 Topology Diagrams 452 Baseline Date 453Troubleshooting Methods 454Troubleshooting at Each Layer 455 Physical Layer 455 Data Link Layer 456 Network Layer 456 Transport Layer 457 Application Layer 458 Bottom-Up Method and the Layers 459Troubleshooting with IP Service Level Agreement 459Study Resources 462Exam Day 465What You Need for the Exam 465What You Should Receive After Completion 465Summary 465Post-Exam Information 467Receiving Your Certificate 467Determining Career Options 467Examining Certification Options 468If You Failed the Exam 468Summary 468