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31 Days Before Your CCENT Certification Exam - Allan Johnson

31 Days Before Your CCENT Certification Exam

A Day-By-Day Review Guide for the ICND1 (100-101) Certification Exam

(Autor)

Buch | Softcover
368 Seiten
2013 | 2nd edition
Cisco Press (Verlag)
978-1-58720-453-1 (ISBN)
CHF 49,30 inkl. MwSt
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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

 

 

 

Allan Johnson entered the academic world in 1999 after ten years as a business owner/operator to dedicate his efforts to his passion for teaching. He holds both an MBA and an M.Ed. in occupational training and development. He taught CCNA courses at the high school level for seven years and has taught both CCNA and CCNP courses at Del Mar College in Corpus Christi, Texas. In 2003, Allan began to commit much of his time and energy to the CCNA Instructional Support Team, providing services to Networking Academy instructors worldwide and creating training materials. He now works full time for Cisco Networking Academy as a learning systems developer.

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

Erscheint lt. Verlag 31.12.2013
Verlagsort Indianapolis
Sprache englisch
Maße 153 x 229 mm
Gewicht 486 g
Themenwelt Schulbuch / Wörterbuch
Mathematik / Informatik Informatik Netzwerke
Informatik Weitere Themen Zertifizierung
ISBN-10 1-58720-453-3 / 1587204533
ISBN-13 978-1-58720-453-1 / 9781587204531
Zustand Neuware
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