CCENT Practice and Study Guide

Exercises, Activities and Scenarios to Prepare for the ICND1 100-101 Certification Exam
Cisco Press
  • 1. Auflage
  • |
  • erschienen am 17. Dezember 2013
  • |
  • 298 Seiten
E-Book | ePUB mit Adobe-DRM | Systemvoraussetzungen
978-0-13-351765-1 (ISBN)

CCENT Practice and Study Guide is designed with dozens of exercises to help you learn the concepts and configurations crucial to your success with the Interconnecting Cisco Networking Devices Part 1 (ICND1 100-101) exam. The author has mapped the chapters of this book to the first two Cisco Networking Academy courses in the CCNA Routing and Switching curricula, Introduction to Networks and Routing and Switching Essentials. These courses cover the objectives of the Cisco Certified Networking Entry Technician (CCENT) certification. Getting your CCENT certification means that you have the knowledge and skills required to successfully install, operate, and troubleshoot a small branch office network. As a Cisco Networking Academy student or someone taking CCENT-related classes from professional training organizations, or college- and university-level networking courses, you will gain a detailed understanding of routing by successfully completing all the exercises in this book. Each chapter is designed with a variety of exercises, activities, and scenarios to help you:

· Review vocabulary

· Strengthen troubleshooting skills

· Boost configuration skills

· Reinforce concepts

· Research and analyze topics

1. Auflage
  • Englisch
  • Indianapolis
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  • USA
Pearson Education (US)
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978-0-13-351765-1 (9780133517651)

Allan Johnson entered the academic world in 1999 after 10 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 is an information technology instructor 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.

      Part I: Introduction to Networks

      CHAPTER 1 Exploring the Network 1

      Globally Connected 1

      Vocabulary Exercise: Matching 2

      Completion Exercise 3

      LANs, WANs, and the Internet 3

      Completion Exercise 3

      Classify and Identify Network Components 5

      Compare LANs and WANs 6

      Vocabulary Exercise: Matching 7

      The Network as a Platform 8

      Classify Network Architecture Requirements 8

      The Changing Network Environment 10

      Completion Exercise 10

      Network Security Terminology 11

      CHAPTER 2 Configuring a Network Operating System 13

      IOS Bootcamp 13

      Completion Exercise 13

      Accessing a Cisco IOS Device 14

      Navigating the IOS Matching Exercise 15

      Basic Device Configuration 16

      Applying a Basic Configuration 16

      CHAPTER 3 Network Protocols and Communications 19

      Rules of Communication 19

      Vocabulary Exercise: Matching 20

      Network Protocols and Standards 21

      Protocol Definitions: Matching 21

      Mapping the Protocols of the TCP/IP Suite 22

      Explore the Purpose of Standards Organizations 22

      OSI Reference Model Layers: Matching 24

      TCP/IP Model Layers: Matching 24

      Mapping the Layers of the OSI and TCP/IP Models 25

      Moving Data in the Network 26

      Data Encapsulation and the PDUs 26

      The Role of Addressing in Network Communications 27

      CHAPTER 4 Network Access 29

      Physical Layer Protocols 29

      Completion Exercise 29

      Vocabulary Exercise: Matching 31

      Network Media 32

      Copper Cabling Completion Exercise 32

      Compare UTP, STP, and Coaxial Characteristics 32

      UTP Cabling Completion Exercise 33

      UTP Cable Pinouts 34

      Fiber-Optic Cabling Completion Exercise 34

      Compare Single-Mode and Multimode Fiber 35

      Wireless Media Completion Exercise 36

      Data Link Layer Protocols 37

      The Sublayers of the Data Link Layer 37

      Label the Generic Frame Fields 37

      Identify the Data Link Layer Standards Organization 37

      Media Access Control 38

      Topologies and Access Methods Completion Exercise 38

      Label the Ethernet Frame Fields 39

      Label the PPP Frame Fields 40

      Label the 802.11 Wireless Frame Fields 40

      CHAPTER 5 Ethernet 41

      Ethernet Protocol 41

      Ethernet Operation Completion Exercise 41

      Identify the Ethernet Frame Attributes: Matching 42

      Comparing Decimal, Binary, and Hexadecimal Digits 43

      Address Resolution Protocol 43

      Completion Exercise 43

      Identify the MAC and IP Addresses 44

      LAN Switches 45

      Building the MAC Address Table 45

      Switching Concepts Completion Exercise 46

      Comparing Switch Forwarding Methods 47

      Forward the Frame 47

      Layer 3 Switching Concepts Completion Exercise 50

      Layer 3 Switch Configuration 51

      CHAPTER 6 Network Layer 53

      Network Layer Protocols 53

      The Processes of the Network Layer 53

      Characteristics of the IP Protocol 53

      Fields of the IPv4 Packet: Matching 55

      Fields of the IPv6 Packet: Matching 55

      Routing 56

      How a Host Routes Packets Completion Exercise 56

      Routing Table Entry: Matching 58

      Routers 58

      Identify Router Components 58

      Router Boot Process Exercise 59

      Interpreting the show version Command Exercise 60

      Configuring a Cisco Router 60

      Basic Router Configuration Exercise 60

      Applying a Basic Configuration 62

      Verifying Basic Router Configuration 63

      CHAPTER 7 Transport Layer 65

      Transport Layer Protocols 65

      Transportation of Data Completion Exercise 65

      Introducing TCP and UDP 66

      TCP and UDP 66

      TCP Communication 67

      UDP Communication 69

      TCP or UDP, That Is the Question 69

      CHAPTER 8 IP Addressing 71

      IPv4 Network Addresses 71

      IPv4 Address Structure 71

      IPv4 Subnet Mask 72

      The Last Nonzero Octet 73

      ANDing to Determine the Network Address 73

      IPv4 Unicast, Broadcast, and Multicast 74

      Types of IPv4 Addresses 74

      IPv6 Network Addresses 75

      Representing IPv6 Addresses 76

      Identify IPv6 Address Types 77

      IPv6 Unicast Addresses 80

      The 3-1-4 Rule 80

      Static Configuration of Global Unicast Addressing 81

      Dynamic Configuration of Global Unicast Addressing 81

      IPv6 Multicast Addresses 82

      Connectivity Verification 83

      ICMP Message Types 83

      Testing the Path 83

      CHAPTER 9 Subnetting IP Networks 85

      Subnetting an IPv4 Network 85

      Subnetting in Four Steps 85

      Subnetting Example 85

      Determine How Many Bits to Borrow 85

      Determine the New Subnet Mask 86

      Determine the Subnet Multiplier 86

      List the Subnets, Host Ranges, and Broadcast Addresses 87

      Subnetting Scenario 1 87

      Subnetting Scenario 2 87

      Subnetting Scenario 3 88

      VLSM Addressing Schemes 88

      VLSM Review 89

      VLSM Addressing Design Exercises 90

      Exercise 1 91

      Exercise 2 92

      Exercise 3 93

      Exercise 4 93

      Design Considerations for IPv6 94

      Subnetting an IPv6 Network 95

      IPv6 Subnetting Practice 95

      IPv6 Subnetting Scenario 1 95

      IPv6 Subnetting Scenario 2 96

      IPv6 Subnetting Scenario 3 96

      CHAPTER 10 Application Layer 97

      Application Layer Protocols 97

      OSI and TCP/IP Model Comparison 97

      Application and Presentation Protocols and Standards 98

      How Application Protocols Interact with End-User Applications 98

      Well-Known Application Layer Protocols and Services 99

      Web and Mail Services 99

      IP Addressing Services 100

      File Sharing Services 102

      The Message Heard Around the World 103

      CHAPTER 11 It's a Network 105

      Create and Grow 105

      Devices in a Small Network 105

      Protocols in a Small Network 106

      Growing to Larger Networks 107

      Keeping the Network Safe 107

      Network Device Security Measures 107

      Vulnerabilities and Network Attacks 108

      Mitigating Network Attacks 109

      Securing Devices 110

      Basic Network Performance 110

      Using the ping Command 111

      Tracing a Route 111

      show Commands 112

      Managing IOS Configuration Files 114

      Integrated Routing Services 116

      Part II: Routing and Switching Essentials

      CHAPTER 12 Introduction to Switched Networks 117

      LAN Design 117

      LAN Design Principles 117

      Selecting Switch Hardware 119

      The Switched Environment 120

      Frame Forwarding Methods and Terminology 120

      Building the MAC Address Table 120

      Collision and Broadcast Domains 122

      CHAPTER 13 Basic Switching Concepts and Configuration 125

      Basic Switch Configuration 125

      Switch Boot Sequence 125

      Half-Duplex, Full-Duplex, and Auto-MDIX 125

      Configure a Switch with Initial Settings 126

      Basic Configuration Tasks 127

      Applying a Basic Configuration 127

      Verifying Basic Switch Configuration 129

      Switch Security: Management and Implementation 129

      Configuring SSH 129

      Common Security Attacks 131

      Configuring Port Security 132

      Configuring NTP 134

      NTP Commands 134

      CHAPTER 14 VLANs 135

      VLAN Segmentation 135

      Overview of VLANs 135

      VLANs in a Multiswitched Environment 136

      VLAN Implementations 137

      VLAN Configuration Exercise 137

      Practice VLAN Configuration 141

      VLAN Trunk Configuration Exercise 141

      Practice Trunk Configuration 142

      Dynamic Trunking Protocol 143

      Troubleshoot VLANs and Trunks 144

      VLAN Security and Design 146

      Switch Spoofing Attack 146

      Double-Tagging Attack 147

      PVLAN Edge 147

      CHAPTER 15 Routing Concepts 149

      Initial Configuration of a Router 149

      Functions of a Router 149

      External Router Features 152

      Topology and Addressing Documentation 154

      Configure and Verify Dual-Stack IPv4 and IPv6 Addressing 156

      Routing Decisions 161

      Path Determination 162

      Concept of Administrative Distance Exercise 164

      Switching Packets Between Networks 164

      Router Operation 165

      Analyze the Routing Table 165

      Directly Connected, Static, and Dynamic Routes 167

      CHAPTER 16 Inter-VLAN Routing 171

      Inter-VLAN Routing Configuration 171

      Types of Inter-VLAN Routing 171

      Configuring Inter-VLAN Routing 172

      Troubleshoot Inter-VLAN Routing 174

      Inter-VLAN Troubleshooting Scenarios 174

      Layer 3 Switching 176

      Layer 3 Switching Operation 176

      Configuring Static Routes on a Catalyst 2960 177

      Layer 3 Switching Troubleshooting Scenarios 179

      CHAPTER 17 Static Routing 183

      Static Routing Implementation 183

      Static Routing Overview 183

      Identify Types of Static Routes 184

      Configure Static and Default Routes 185

      Configuring IPv4 Static and Default Routes 185

      B1 and B2 Routing Strategy 186

      Configuring IPv6 Static and Default Routes 187

      B1 and B2 Routing Strategy 187

      Review of CIDR and VLSM 188

      Classful Addressing 189

      CIDR and Route Summarization 189

      Summary Route Calculation Scenario 1 190

      Summary Route Calculation Scenario 2 191

      Summary Route Calculation Scenario 3 191

      Configure Summary and Floating Static Routes 191

      Configure IPv4 Summary Routes 192

      Configure IPv6 Summary Routes 192

      Configure Floating Static Routes 194

      Troubleshoot Static and Default Route Issues 195

      IPv4 Static and Default Route Implementation 195

      IPv6 Static and Default Route Implementation 195

      CHAPTER 18 Routing Dynamically 197

      Dynamic Routing Protocols 197

      Dynamic Routing Protocol Operation 197

      Compare Static and Dynamic Routing 197

      From Cold Start to Convergence 198

      Dynamic Routing Protocols Classification Chart 200

      Routing Protocols Characteristics 201

      Comparing Routing Protocol Characteristics 202

      Distance Vector Dynamic Routing 202

      Distance Vector Operation and Terminology 202

      Comparing RIP and EIGRP 204

      RIP and RIPng Routing 204

      Configuring RIPv2 204

      Configuring RIPng 206

      Link-State Dynamic Routing 208

      Link-State Routing Protocol Operation 208

      Building the Link-State Database 210

      Using Link-State Routing Protocols 214

      The Routing Table 214

      Identifying Elements of the Routing Table 214

      Dynamically Learned IPv4 Routes 215

      The IPv4 Route Lookup Process 217

      Routing Table Lookup Chart 217

      Routing Table Lookup Exercise 218

      Analyze an IPv6 Routing Table 219

      CHAPTER 19 Single-Area OSPF 221

      Characteristics of OSPF 221

      OSPF Terminology 222

      OSPF Concepts 223

      OSPF Operation 224

      Configuring Single-Area OSPFv2 227

      The Router ID 228

      Single-Area OSPFv2 Basic Configuration Scenario 229

      Adjusting OSPF Cost 231

      The Reference Bandwidth 231

      The Default Interface Bandwidth 232

      Modifying the OSPF Cost Metric 232

      Verify the OSPF Configuration 233

      Configure Single-Area OSPFv3 233

      Comparing OSPFv2 and OSPFv3 233

      Configuring OSPFv3 234

      Verifying OSPFv3 236

      CHAPTER 20 Access Control Lists 237

      IP ACL Operation 237

      Standard Versus Extended IPv4 ACLs 237

      Calculating Wildcard Masks 237

      Wildcard Mask in Operation 238

      Guidelines for ACL Creation 239

      Guidelines for ACL Placement 240

      Standard IPv4 ACLs 240

      Configuring Standard IPv4 ACLs 241

      Modifying IPv4 ACLs 244

      Securing vty Ports with a Standard IPv4 ACL 245

      Extended IPv4 ACLs 245

      Configuring Extended IPv4 ACL Statements 245

      Extended ACL Configuration Scenarios 246

      Evaluating Extended IPv4 ACL Statements 247

      Extended ACL Quiz 248

      Troubleshoot ACLs 251

      IPv6 ACLs 252

      Comparing IPv4 and IPv6 ACLs 252

      Configuring IPv6 ACLs 252

      CHAPTER 21 DHCP 255

      Dynamic Host Configuration Protocol v4 255

      DHCPv4 Operation 255

      Configuring a Cisco Device as a DHCPv4 Server 256

      Configuring a Router to Relay DHCPv4 Requests 258

      Configuring a Router as a DHCPv4 Client 259

      Troubleshooting DHCPv4 259

      Dynamic Host Configuration Protocol v6 260

      SLAAC and DHCPv6 260

      Configuring a Router as a Stateless DHCPv6 Server 262

      Configuring a Router as a Stateful DHCPv6 Server 263

      CHAPTER 22 Network Address Translation for IPv4 265

      NAT Operation 265

      NAT Characteristics 265

      Configuring NAT 267

      Configuring Static NAT 267

      Configuring Dynamic NAT 268

      Configuring Port Address Translation 269

      A Word About Port Forwarding 272

      Configuring NAT and IPv6 272

      Troubleshooting NAT 273

      9781587133459, TOC, 11/22/2013

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