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31 Days Before Your CCENT Certification Exam: A Day-By-Day Review Guide for the ICND1 (100-101) Certification Exam, 2nd Edition

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  • Description
  • Sample Content
  • Updates
  • Copyright 2014
  • Dimensions: 6" x 9"
  • Pages: 368
  • Edition: 2nd
  • eBook (Watermarked)
  • ISBN-10: 0-13-351775-6
  • ISBN-13: 978-0-13-351775-0

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: 9780789750433

 

 

 

Table of Contents

Introduction 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

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