Comptia network+ deluxe study guide, 2nd edition (exam: n10-005) (hardback)

Deluxe Exam Prep from Leading Networking Authority Todd Lammle

Prepare for CompTIA"s new Network+ Exam N10-005 with this Deluxe Edition of Sybex"s popular CompTIA Network+ Study Guide. Revised and updated for the new exam, this packed guide offers all the study tools you"ll find in our standard Study Guide, plus a bonus CD with additional practice exams and flashcards, the exclusive Network+ network simulator, and more. Written by top networking authority Todd Lammle, this valuable book is CompTIA Authorized. Start your Network+ prep today with:

Full coverage of all exam objectives in a systematic approach, so you can be confident you"re getting the instruction you need for the exam

Network+ Virtual Lab simulator to give you hands-on practice and reinforce critical skills

Real-world scenarios that put what you"ve learned in the context of actual job roles

Over 200 electronic flashcards to help you practice, practice, practice

Challenging review questions in each chapter to prepare you for exam day

Exam Essentials, a key feature in each chapter that identifies critical areas you must become proficient in before taking the exam

A handy tear card that maps every official exam objective to the corresponding chapter in the book, so you can track your exam prep objective by objective

Introduction xxix

Assessment Test li

Chapter 1 Introduction to Networks 1

First Things First: What's a Network? 2

The Local Area Network (LAN) 3

Common Network Components 5

Wide Area Network (WAN) 7

Network Architecture: Peer-to-Peer or Client-Server? 9

Physical Network Topologies 12

Bus Topology 12

Star Topology 13

Ring Topology 14

Mesh Topology 15

Point-to-Point Topology 16

Point-to-Multipoint Topology 17

Hybrid Topology 18

Topology Selection, Backbones, and Segments 18

Selecting the Right Topology 19

The Network Backbone 20

Network Segments 21

Summary 21

Exam Essentials 21

Written Labs 22

Review Questions 23

Chapter 2 The Open Systems Interconnection Specifications 27

Internetworking Models 28

The Layered Approach 28

Advantages of Reference Models 29

The OSI Reference Model 30

The Application Layer 31

The Presentation Layer 33

The Session Layer 33

The Transport Layer 33

The Network Layer 39

The Data Link Layer 42

The Physical Layer 44

Introduction to Encapsulation 45

Summary 46

Exam Essentials 46

Written Lab 47

Review Questions 48

Chapter 3 Networking Topologies, Connectors, and Wiring Standards 53

Physical Media 55

Coaxial Cable 55

Twisted-Pair Cable 58

Fiber-Optic Cable 61

Media Converters 66

Broadband over Power Line 67

Serial Cables 68

Cable Properties 71

Transmission Speeds 71

Distance 71

Duplex 71

Noise Immunity (Security, EMI) 71

Frequency 72

Wiring Standards 72

568A vs. 568B 73

Straight-Through Cable 75

Crossover Cable 75

T1 Crossover Cable 76

Installing Wiring Distributions 79

Summary 80

Exam Essentials 81

Written Lab 81

Review Questions 83

Chapter 4 The Current Ethernet Specifications 87

Network Basics 88

Ethernet Basics 90

Collision Domain 90

Broadcast Domain 90

CSMA/CD 91

Half- and Full-Duplex Ethernet 92

Ethernet at the Data Link Layer 94

Binary to Decimal and Hexadecimal Conversion 94

Ethernet Addressing 98

Ethernet Frames 98

Channel Bonding 101

Ethernet at the Physical Layer 101

Summary 106

Exam Essentials 107

Written Lab 107

Review Questions 111

Chapter 5 Networking Devices 115

Common Network Connectivity Devices 117

Hub 118

Network Interface Card 118

Bridge 120

Switch 120

Router 121

Firewall 125

Dynamic Host Configuration Protocol Server 126

Other Specialized Devices 129

Multilayer Switch 130

Load Balancer 130

Domain Name Service Server 130

Proxy Server 135

Encryption Devices 136

VPN Concentrator 137

Planning and Implementing a Basic SOHO Network Using Network Segmentation 137

Determining Requirements 138

Switches and Bridges at the Data Link Layer 144

Hubs at the Physical Layer 146

Environmental Considerations 147

Summary 147

Exam Essentials 148

Written Lab 149

Review Questions 150

Chapter 6 Introduction to the Internet Protocol...