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Prepare for the Network+ certification and a new career in network installation and administration
In the newly revised Fifth Edition of CompTIA Network+ Study Guide Exam N10-008, bestselling author and network expert Todd Lammle delivers thorough coverage of how to install, configure, and troubleshoot today's basic networking hardware peripherals and protocols.
This book will prepare you to succeed on the sought-after CompTIA Network+ certification exam, impress interviewers in the network industry, and excel in your first role as a junior network administrator, support technician, or related position.
The accomplished author draws on his 30 years of networking experience to walk you through the ins and outs of the five functional domains covered by the Network+ Exam N10-008: Networking fundamentals, implementations, operations, security, and troubleshooting. You'll also get:
* Complete, domain-specific coverage of the updated Network+ Exam N10-008
* Preparation to obtain a leading network certification enjoyed by over 350,000 networking professionals
* Access to a superior set of online study tools, including practice exams, flashcards, and glossary of key terms.
Perfect for anyone preparing for the latest version of the CompTIA Network+ Exam N10-008, the Fifth Edition of CompTIA Network+ Study Guide Exam N10-008 is a must-have resource for network administrators seeking to enhance their skillset with foundational skills endorsed by industry and thought leaders from around the world.
List of contents
Introduction xxxi
Assessment Test xli
Chapter 1 Introduction to Networks 1
First Things First: What's a Network? 3
The Local Area Network 4
Common Network Components 6
Metropolitan Area Network 9
Wide Area Network 9
Personal Area Network 10
Campus Area Network 10
Storage Area Network 10
Software-Defined Wide Area Network 11
Multiprotocol Label Switching 11
Multipoint Generic Routing Encapsulation 12
Network Architecture: Peer-to-Peer or Client-Server? 12
Physical Network Topologies 14
Bus Topology 14
Star Topology 15
Ring Topology 17
Mesh Topology 17
Point-to-Point Topology 18
Point-to-Multipoint Topology 19
Hybrid Topology 20
Topology Selection, Backbones, and Segments 21
Selecting the Right Topology 22
The Network Backbone 22
Network Segments 23
Service-Related Entry Points 23
Service Provider Links 23
Virtual Networking 24
Summary 24
Exam Essentials 25
Written Lab 25
Review Questions 26
Chapter 2 The Open Systems Interconnection Specifications 31
Internetworking Models 32
The Layered Approach 33
Advantages of Reference Models 33
The OSI Reference Model 34
The Application Layer 36
The Presentation Layer 37
The Session Layer 37
The Transport Layer 37
The Network Layer 43
The Data Link Layer 46
The Physical Layer 48
Introduction to Encapsulation 49
Modulation Techniques 50
Summary 51
Exam Essentials 51
Written Lab 52
Review Questions 53
Chapter 3 Networking Connectors and Wiring Standards 57
Physical Media 59
Coaxial Cable 60
Twisted-Pair Cable 62
Twinaxial Cable 62
Fiber-Optic Cable 66
Transceivers 71
Media Converters 72
Serial Cables 74
Cable Properties 76
Transmission Speeds 76
Distance 76
Duplex 77
Noise Immunity (Security, EMI) 77
Frequency 77
Wiring Standards 78
T568A vs. T568B 78
Straight-Through Cable 80
Crossover Cable 81
Rolled/Rollover Cable 83
T1 Crossover Cable 83
Installing Wiring Distributions 85
MDF/IDF 85
Summary 87
Exam Essentials 88
Written Lab 88
Review Questions 89
Chapter 4 The Current Ethernet Specifications 93
Network Basics 94
Ethernet Basics 96
Collision Domain 96
Broadcast Domain 97
CSMA/CD 97
Broadband/Baseband 99
Bit Rates vs. Baud Rate 99
Wavelength 99
Half-and Full-Duplex Ethernet 100
Ethernet at the Data Link Layer 102
Binary to Decimal and Hexadecimal Conversion 102
Ethernet Addressing 106
Ethernet Frames 107
Ethernet at the Physical Layer 109
Ethernet over Other Standards (IEEE 1905.1-2013) 115
Ethernet over Power Line 115
Ethernet over HDMI 117
Bidirectional Wavelength-Division Multiplexing (WDM) 117
Course Wavelength-Division Multiplexing (CWDM) 117
Dense Wavelength-Division Multiplexing (DWDM) 117
Summary 118
Exam Essentials 119
Written Lab 119
Review Questions 124
About the author
Todd Lammle, Network+, CCSI, CCNA, CCNP, is
the networking authority. He has been involved in computers and networking with Fortune 500 companies for over 30 years. Todd is President of GlobalNet System Solutions, Inc., a networking integration and training firm. He is the bestselling author of numerous titles, with over 900,000 copies of his books in print. He can be reached through his website at www.lammle.com.
