CCENT Practice and Study Guide: Exercises, Activities and Scenarios to Prepare for the ICND1 100-101 Certification Exam / Edition 1

CCENT Practice and Study Guide: Exercises, Activities and Scenarios to Prepare for the ICND1 100-101 Certification Exam / Edition 1

by Allan Johnson

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ISBN-10: 1587133458

ISBN-13: 9781587133459

Pub. Date: 12/31/2013

Publisher: Cisco Press

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


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

Product Details

Cisco Press
Publication date:
Lab Companion Series
Edition description:
New Edition
Sales rank:
Product dimensions:
8.50(w) x 10.80(h) x 0.80(d)

Table of Contents

    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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