Opis: 31 Days Before Your CCENT Exam - Allan Johnson

31 Days Before Your CCENT Certification Exam Second Edition A Day-By-Day Review Guide for the ICND1 (100-101) Certification Exam 31 Days Before Your CCENT Certification Exam offers you a personable and practical way to understand the certification process, commit to taking the 100-101 ICND1 certification exam, and finish your preparation using a variety of Primary and Supplemental study resources. With a CCENT (Cisco Certified Entry Networking Technician) certification, a network professional demonstrates the skills required for entry-level network support positions-the starting point for many successful careers in networking. CCENT is the first step toward achieving CCNA certification. Sign up for the ICND1 exam and use the book's day-by-day guide and checklist to organize, prepare, and review. Each day in this guide breaks down an exam topic into a manageable bit of information to review using short summaries. A Study Resources section provides you with a quick reference for locating more in-depth treatment of a day's topics within the Primary and Supplemental resources. The features of the book empower you to fit exam preparation into a busy schedule: --Visual calendar summarizing each day's study topic --Checklist providing advice for preparation activities leading up to the exam --Description of the 100-101 ICND1 exam organization and sign-up process --Strategies from the author to be mentally, organizationally, and physically prepared for exam day --Conversational tone, which makes your study time more enjoyable Primary Resources: Cisco CCENT/CCNA ICND1 100-101 Official Cert Guide ISBN: 9781587143854 Interconnecting Cisco Network Devices, Part 1 Foundation Learning Guide ISBN: 9781587143762 Introduction to Networks Companion Guide ISBN: 9781587133169 Introduction to Networks Lab Manual ISBN: 9781587133121 Routing and Switching Essentials Companion Guide ISBN: 9781587133183 Routing and Switching Essentials Lab Manual ISBN: 9781587133206 Supplemental Resources: CCENT Practice and Study Guide ISBN: 9781587133459 Cisco CCENT ICND1 100-101 Flash Cards and Exam Practice Pack ISBN: 9781587203992 CCNA Routing and Switching Portable Command Guide, 3e ISBN: 9781587204302 Cisco CCENT ICND1 100-101 Network Simulator ISBN: 9780789750433Introduction xxiii Day 31: Network Devices, Components, and Applications 1 CCENT 100-101 ICND1 Exam Topics 1 Key Points 1 Devices 1 Switches 2 Routers 3 Physical Layer 4 Network Media Forms and Standards 4 LAN Device Connection Guidelines 6 LANs and WANs 7 Networking Icons 8 Physical and Logical Topologies 8 Cisco Borderless Network 9 Hierarchy in a Borderless Network 10 Network Documentation 11 Classification of Network Applications 12 User Application Interaction 12 Common Network Applications 13 Growth of Network-Based Applications 13 Quality of Service 14 Increased Network Usage 14 The Impact of Voice and Video on the Network 14 Study Resources 15 Day 30: Networking Models and Data Flow 17 CCENT 100-101 ICND1 Exam Topics 17 Key Points 17 The OSI and TCP/IP Models 17 OSI Layers 18 TCP/IP Layers and Protocols 19 Protocol Data Units and Encapsulation 20 The TCP/IP Application Layer 21 The TCP/IP Transport Layer 22 TCP Header 23 Port Numbers 23 Error Recovery 24 Flow Control 25 Connection Establishment and Termination 25 UDP 26 The TCP/IP Internet Layer 27 The TCP/IP Network Access Layer 27 Data Encapsulation Summary 29 Study Resources 30 Day 29: Ethernet and Media Access Control 31 CCENT 100-101 ICND1 Exam Topics 31 Key Topics 31 Ethernet Overview 31 Legacy Ethernet Technologies 32 CSMA/CD 33 Legacy Ethernet Summary 34 Current Ethernet Technologies 34 UTP Cabling 34 Benefits of Using Switches 36 Ethernet Addressing 36 Ethernet Framing 37 The Role of the Physical Layer 38 Study Resources 39 Day 28: Switching Concepts and Operation 41 CCENT 100-101 ICND1 Exam Topics 41 Key Topics 41 Evolution to Switching 41 Switching Logic 42 Collision and Broadcast Domains 43 Frame Forwarding 43 witch Forwarding Methods 44 Symmetric and Asymmetric Switching 44 Memory Buffering 44 Layer 2 and Layer 3 Switching 44 Accessing and Navigating the Cisco IOS 45 Connecting to Cisco Devices 45 CLI EXEC Sessions 46 Using the Help Facility 46 CLI Navigation and Editing Shortcuts 47 Command History 48 IOS Examination Commands 48 Subconfiguration Modes 49 Storing and Erasing Configuration Files 49 Study Resources 51 Day 27: Basic Switch Configuration 53 CCENT 100-101 ICND1 Exam Topics 53 Key Topics 53 Basic Switch Configuration Commands 53 Half-Duplex, Full-Duplex, and Port Speed 55 Automatic Medium-Dependent Interface Crossover (auto-MDIX) 56 Configuring SSH Access 56 Verifying Network Connectivity 58 Study Resources 61 Day 26: VLAN Concepts 63 CCENT 100-101 ICND1 Exam Topics 63 Key Points 63 VLAN Concepts 63 Traffic Types 64 Types of VLANs 65 Voice VLAN Example 65 Trunking VLANs 66 Dynamic Trunking Protocol 68 Study Resources 69 Day 25: VLAN and Trunking Configuration 71 CCENT 100-101 ICND1 Exam Topics 71 Key Points 71 Sample Topology 71 VLAN Configuration and Verification Commands 72 Configuring and Verifying Trunking 75 Study Resources 78 Day 24: The IPv4 Address 79 CCENT 100-101 ICND1 Exam Topics 79 Key Topics 79 IPv4 Addressing 79 Header Format 79 Classes of Addresses 80 Purpose of the Subnet Mask 81 Private and Public IP Addressing 82 Study Resources 83 Day 23: IPv4 Subnetting and VLSM 85 CCENT 100-101 ICND1 Exam Topics 85 Key Topics 85 Subnetting in Four Steps 85 Determine How Many Bits to Borrow 86 Determine the New Subnet Mask 87 Determine the Subnet Multiplier 87 List the Subnets, Host Ranges, and Broadcast Addresses 87 Subnetting Example 1 88 Subnetting Example 2 88 Subnetting Example 3 89 VLSM 89 Summarizing Subnet Addresses 91 Study Resources 93 Day 22: IPv6 Addressing Concepts 95 CCENT 100-101 ICND1 Exam Topics 95 Key Topics 95 Overview and Benefits of IPv6 95 The IPv6 Protocol 96 IPv6 Address Types 97 Unicast 98 Multicast 104 Anycast 106 Study Resources 106 Day 21: Implementing IPv6 Addressing 109 CCENT 100-101 ICND1 Exam Topics 109 Key Topics 109 Representing the IPv6 Address 109 Conventions for Writing IPv6 Addresses 109 Conventions for Writing IPv6 Prefixes 110 IPv6 Subnetting 111 Subnetting the Subnet ID 111 Subnetting into the Interface ID 112 EUI-64 Concept 112 Stateless Address Autoconfiguration 113 Migration to IPv6 114 Study Resources 115 Day 20: Basic Routing Concepts 117 CCENT 100-101 ICND1 Exam Topics 117 Key Topics 117 Packet Forwarding 117 Path Determination and Switching Function Example 118 Routing Methods 119 Classifying Dynamic Routing Protocols 120 IGP and EGP 121 Distance Vector Routing Protocols 121 Link-State Routing Protocols 122 Classful Routing Protocols 122 Classless Routing Protocols 122 Study Resources 123 Day 19: Dynamic Routing Protocols 125 CCENT 100-101 ICND1 Exam Topics 125 Key Topics 125 Dynamic Routing Metrics 125 Administrative Distance 126 IGP Comparison Summary 128 Routing Loop Prevention 128 Link-State Routing Protocol Features 129 Building the LSDB 129 Calculating the Dijkstra Algorithm 130 Convergence with Link-State Protocols 131 Study Resources 132 Day 18: Basic Router Configuration: IPv4 133 CCENT 100-101 ICND1 Exam Topics 133 Key Topic 133 Basic Router Configuration with IPv4 133 Study Resources 142 Day 17: Basic Router Configuration: IPv6 145 CCENT 100-101 ICND1 Exam Topics 145 Key Topic 145 Basic Router Configuration with IPv6 145 Verifying IPv4 and IPv6 Network Connectivity 148 Study Resources 151 Day 16: Static and Default Route Configuration 153 CCENT 100-101 ICND1 Exam Topics 153 Key Topics 153 Static and Default Routing Overview 153 IPv4 Static Route Configuration 154 IPv4 Static Routes Using the "Next-Hop" Parameter 156 IPv4 Static Routes Using the Exit Interface Parameter 157 IPv4 Default Route Configuration 158 IPv4 Summary Static Route Configuration 161 IPv6 Static Routing 162 IPv6 Static Route Configuration 164 IPv6 Default Route Configuration 165 IPv6 Summary Static Route Configuration 166 Study Resources 167 Day 15: Single-Area OSPFv2 169 CCENT 100-101 ICND1 Exam Topics 169 Key Topics 169 OSPF Operation 169 OSPF Message Format 169 OSPF Packet Types 170 Neighbor Establishment 170 Link-State Advertisements 172 OSPF DR and BDR 173 OSPF Algorithm 173 Link-State Routing Process 174 Single-Area OSPFv2 Configuration 175 The router ospf Command 176 The network Command 176 Router ID 177 Passive Interfaces 177 Modifying the OSPF Metric 178 Verifying OSPFv2 180 Study Resources 184 Day 14: Single-Area OSPFv3 185 CCENT 100-101 ICND1 Exam Topics 185 Key Topics 185 OSPFv2 Versus OSPFv3 185 Similarities Between OSPFv2 and OSPFv3 185 Differences Between OSPFv2 and OSPFv3 186 Single-Area OSPFv3 Configuration 186 The Router ID in OSPFv3 188 Verifying OSPFv3 189 Study Resources 192 Day 13: Inter-VLAN Routing Configuration 195 CCENT 100-101 ICND1 Exam Topics 195 Key Topics 195 Inter-VLAN Routing Concepts 195 Legacy Inter-VLAN Routing 195 Router on a Stick 196 Multilayer Switch 197 Router on a Stick Configuration and Verification 197 Multilayer Switch Inter-VLAN Routing Configuration and Verification 200 Creating Additional SVIs 200 Configuring a 2960 to Route Between VLANs 201 Study Resources 204 Day 12: DHCP Configuration 205 CCENT 100-101 ICND1 Exam Topics 205 Key Topics 205 DHCPv4 205 DHCPv4 Configuration Options 206 Configuring a Router as a DHCPv4 Server 206 Configuring a Router to Relay DHCPv4 Requests 210 Configuring a Router as a DHCPv4 Client 211 DHCPv6 212 SLAAC 212 Stateless DHCPv6 214 Stateful DHCPv6 214 Stateless and Stateful DHCPv6 Operation 214 DHCPv6 Configuration Options 216 Configuring a Router as a Stateless DHCPv6 Server 216 Configuring a Router as a Stateful DHCPv6 Server 217 Study Resources 218 Day 11: ACL Concepts 221 CCENT 100-101 ICND1 Exam Topics 221 Key Topics 221 ACL Operation 221 Defining an ACL 221 Processing Interface ACLs 221 List Logic with IP ACLs 222 Planning to Use ACLs 223 Types of ACLs 224 ACL Identification 225 ACL Design Guidelines 225 Study Resources 226 Day 10: Basic ACL Configuration 227 CCENT 100-101 ICND1 Exam Topics 227 Key Topics 227 Configuring Standard Numbered ACLs 227 Standard Numbered ACL: Permit Specific Network 228 Standard Numbered ACL: Deny a Specific Host 228 Standard Numbered ACL: Deny a Specific Subnet 229 Standard Numbered ACL: Deny Telnet or SSH Access to the Router 229 Configuring Extended Numbered ACLs 230 Extended Numbered ACL: Deny FTP from Subnets 231 Extended Numbered ACL: Deny Only Telnet from Subnet 231 Configuring Named ACLs 231 Standard Named ACL Steps and Syntax 232 Standard Named ACL: Deny a Single Host from a Given Subnet 232 Extended Named ACL Steps and Syntax 233 Adding Comments to Named or Numbered ACLs 233 Verifying ACLs 234 Study Resources 236 Day 9: NAT 237 CCENT 100-101 ICND1 Exam Topics 237 Key Topics 237 NAT Concepts 237 A NAT Example 239 Dynamic and Static NAT 240 NAT Overload 240 NAT Benefits 241 NAT Limitations 241 Configuring Static NAT 242 Configuring Dynamic NAT 243 Configuring NAT Overload 244 Verifying NAT 245 Troubleshooting NAT 246 NAT for IPv6 247 IPv6 Private Address Space 247 Purpose of NAT for IPv6 247 Study Resources 248 Day 8: Basic Device Security 249 CCENT 100-101 ICND1 Exam Topics 249 Key Topics 249 Network Security Overview 249 Physical Security 249 Types of Security Vulnerabilities 250 Mitigating Network Attacks 250 Security Best Practices 250 Securing the IOS 251 Passwords, Authentication, Timers, and SSH 251 Banners 253 Disable Services 255 HTTP Service 255 CDP 255 Small Services 256 Network Time Protocol 256 Study Resources 258 Day 7: Switch Security Configuration 259 CCENT 100-101 ICND1 Exam Topics 259 Key Topics 259 Configuring Port Security 259 Restoring a Port After a Violation 261 Changing the Native and Management VLANs 263 Shutting Down and Securing Unused Interfaces 264 Study Resources 264 Day 6: Troubleshoot IP Addressing Issues 267 CCENT 100-101 ICND1 Exam Topics 267 Key Topics 267 Troubleshooting Methodology 267 Default Gateway 267 Duplicate IP Addresses 268 DHCP Issues 268 Resolve IPv4 Address Conflicts 268 Test Connectivity Using a Static IP Address 269 Verify Switch Port Configuration 269 Test DHCPv4 Operation on the Same Subnet or VLAN 269 Inter-VLAN Routing and IP Addressing Issues 269 Study Resources 271 Day 5: Troubleshoot VLAN Issues 273 CCENT 100-101 ICND1 Exam Topics 273 Key Topics 273 VLAN Troubleshooting 273 Disabled VLANs 274 Study Resources 275 Day 4: Troubleshoot Trunking Issues 277 CCENT 100-101 ICND1 Exam Topics 277 Key Topics 277 Trunking Troubleshooting Overview 277 Check Both Ends of a Trunk 277 Check Trunking Operational States 278 Study Resources 279 Day 3: Troubleshoot ACL Issues 281 CCENT 100-101 ICND1 Exam Topics 281 Key Topics 281 Troubleshooting ACLs 281 Problem 1: Host Has No Connectivity 282 Problem 2: Denied Protocols 283 Problem 3: Telnet Is Allowed #1 284 Problem 4: Telnet Is Allowed #2 284 Problem 5: Telnet Is Allowed #3 285 Study Resources 286 Day 2: Troubleshoot Layer 1 Issues 287 CCENT 100-101 ICND1 Exam Topics 287 Key Topics 287 Media Issues 287 Interface Status and the Switch Configuration 288 Interface Status Codes 288 Duplex and Speed Mismatches 289 Common Layer 1 Problems On "Up" Interfaces 290 CDP as a Troubleshooting Tool 291 Study Resources 293 Day 1: CCENT Skills Review and Practice 295 Key Topics 295 Introduction 295 Topology Diagram 295 Addressing Table 296 VLANs and Port Assignments Table 296 ISP Configuration 297 Implementation 297 IPv4 Addressing Configuration Requirements 297 HQ-Sw Configuration Requirements 297 HQ Configuration Requirements 298 B1 and B2 Configuration Requirements 298 Staff 299 Verification 299 Your Notes 300 Answer Scripts 302 CCENT Skills Challenge 305 Exam Day 307 What You Need for the Exam 307 What You Should Receive After Completion 307 Summary 308 Post-Exam Information 309 Receiving Your Certificate 309 Determining Career Options 309 Examining Certification Options 310 If You Failed the Exam 310 Summary 310 9781587204531 TOC 11/19/2013

Szczegóły: 31 Days Before Your CCENT Exam - Allan Johnson

Tytuł: 31 Days Before Your CCENT Exam
Autor: Allan Johnson
Producent: Cisco Press
ISBN: 9781587204531
Rok produkcji: 2013
Ilość stron: 368
Oprawa: Miękka
Waga: 0.49 kg

Recenzje: 31 Days Before Your CCENT Exam - Allan Johnson