In-depth coverage of every exam objective
Network fundamentals, configuration, management, security, troubleshooting, and more
TCP/IP theory and real-world practice

Network+ Certification

Total preparation for passing your CTIA Network+ exam!

The CTIA Network+ exam is the industry's #1 cross-platform networking certification -- and this expert guide gives you all you need to pass it with flying colors! You'll start with the basics; then review all of today's leading network operating systems, cabling, and connection schemes; and master the key fundamentals of both LAN and WAN technologies. From start to finish, you'll find easy-to-understand diagrams and photos, "from the trenches" real-world experience, plenty of on-target Q&As, "study break" reinforcement help in every chapter, and more!

Network+ Certification covers every exam objective, including:

Network planning, day-to-day administration, maintenance, and troubleshooting
Network standards and models
Wide area networking: ATM, frame relay, ISDN, DSL, T-1, T-3, routing, and more
TCP/IP configuration, management, and troubleshooting
Remote access: delivering it and securing it
Detailed coverage of every key network component

Written by three leading networking trainers, Network+ Certification is all you want in a prep guide: easy, visual, hands-on, practical, and absolutely to-the-point. If you're ready to go after your Network+ credential, get this book — and ace your exam, fast!

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Sample Content

Downloadable Sample Chapter

Click here for a sample chapter for this book: 0130168955.pdf

Introduction.

1. Introduction to Networking.

What Is Networking? Why Do We Need Networking? Network Planning. Types of Networks. The Peer-to-Peer Network. Server-Based Networks. Network Topologies. Logical Topologies. Physical Topologies. Segments and Backbones. Summary.

2. Major Operating Systems.

Novell NetWare. Novell NetWare 3.1x. Novell NetWare 4.1. Performance. Security Services. Novell NetWare Version 5. Microsoft Windows NT Server 4.0. Resources Required. Installation. Performance. Fault Tolerance Support. Network Services. Directory Services. Microsoft Windows 2000 Server. Resources Required. Performance. Fault Tolerance Support. Network Services. Directory Services. Security Services. Support for Hardware. Wizardry. UNIX. Sun Solaris. Linux. UNIX Features and Functionality. IBM Operating System/2 (OS/2). Clients. Microsoft Windows 95/98 and Windows NT 4.0 Workstation. Connecting to the Server. Summary.

3. Introduction to Standards.

What Are Standards? Standards and Models. Protocols. Standards for Network Interface Cards. DoD Four-Layer Model. Network Interface Layer. Internet Layer. Transport Layer. Application Layer. Open Systems Interconnect Model. Application Layer. Presentation Layer. Session Layer. Transport Layer. Network Layer. Data Link Layer. Physical Layer. Putting it all Together. Protocol Mapping. IEEE 802 MODEL. Media Access Control (MAC) Sublayer. Logical Link Control (LLC) Sublayer. Encapsulation. Summary.

4. Cables, Access Methods, and Network Architecture.

Types of Cables. Coaxial Cable. Twisted Pair. Fiber Optic Cable. Choosing the Right Cable Type. Access Methods. Carrier-Sense Multiple Access with Collision Detection (CSMA/CD). Carrier-Sense Multiple Access with Collision Avoidance (CSMA/CA). Token Passing. Demand Priority. Network Architecture. Ethernet. 10BASE-T Ethernet. Token Ring. ArcNet. Cabling. Summary.

5. Wide Area Networks.

Introduction to Wide-Area-Network Technologies. Connecting Two or More LANs. Segmenting the Existing LAN. Connecting Your LAN to Other Foreign Systems and Environments. LAN Expansion Equipment. Repeaters. Bridges. Switches. Routers. Gateways. Wide Area Network Technologies. What Is a WAN? WAN Devices. T1. Digital Data Service. Frame Relay. ATM. ISDN. Digital Subscriber Line. Summary.

6. TCP/IP Fundamentals and Configuration.

TCP/IP Basic Information. Standards and How They Appear. Advantages of TCP/IP. TCP/IP Utilities and Services. TCP/IP Architecture. Address Resolution Protocol. Internet Control Message Protocol. Internet Group Management Protocol. Internet Protocol. Transmission Control Protocol. User Datagram Protocol. Ports and Sockets. IP Addressing Basics. Dotted Decimal Notation. Two Parts of an IP Address: Network ID and Host ID. Address Classes. Valid and Invalid Host IDs and Network IDs. Subnet Mask. How Does the Computer Use the Subnet Mask? Automating IP Address Assignment Using DHCP. The DHCP Process. DHCP Lease Duration. DHCP Scopes and Options. DHCP Relay Agents. NetBIOS over TCP/IP. NetBIOS Names. NetBIOS Name Registration, Discovery, and Release. NetBIOS Name Scopes. NetBIOS Name Resolution. Standard Name Resolution Methods. Name Resolution Methods Specific to Microscoft. Name Resolution Nodes. The LMHOSTS File. Host Name Resolution. What Is a Host Name? Standard Name Resolution Methods. Name Resolution Methods Specific to Microsoft. Name Resolution Using a HOSTS File. Name Resolution Using a DNS Server. Summary.

7. Troubleshooting TCP/IP.

General Considerations. Diagnostic Tools Overview. TCP/IP Troubleshooting Guidelines. Subnet Mask Problems. Testing IP Communications. Routing Problems. Testing TCP/IP Name Resolution. NetBIOS Name Resolution Problems. Host Name Resolution Problems. Session Communications Problems. Troubleshooting Tools. Event Viewer. Performance Monitor. Using Microsoft Network Monitor. Summary.

8. Remote Connectivity.

Hardware and Software. Modem Types. Modem Installation and Configuration. Modem Transmission Rates. Modem Connection Requirements. Media. Public-Switched Telephone Network. Integrated Services Digital Network. Other Connection Options. Protocols. Serial Line Internet Protocol. Point-to-Point Protocol. Point-to-Point Tunneling Protocol. Summary.

9. Network Administration.

Installation. Planning. Performing the Installation. Administration. Security. Physical Security. Logical Security. Summary.

10. Maintaining the Network.

The Physical Environment. Line Power. Electrostatic Discharge. Electromagnetic Interference. Radio Frequency Interference. Climate. Physical Placement. Monitoring the System. The Virus Threat. Anti-virus Policies and Training. Backup Program. Anti-virus Software. Backup Program. Backup Equipment. What and When to Backup. Backup Methods. Backup Strategy. Tape Management and Storage. Testing and Logging. Managing the Program. Fault Tolerance. Disk Mirroring. Stripe Set with Parity. Other RAIDs. Sector Sparing. Volume Sets. Hardware RAID. Uninterruptible Power Supply. Software Patches. Where Should I Obtain Patches? How Can I Tell What the Patch Does and How It Will Work on My System? How Do I Install the Patch? When Will I Need to Reinstall the Patch? Summary.

11. Network Troubleshooting.

Troubleshooting Methodology. STEP 1: Identify the Exact Issue. STEP 2: Recreate the Problem. STEP 3: Isolate the Cause. STEP 4: Formulate a Correction. STEP 5: Implement the Correction. STEP 6: Test the Correction. STEP 7: Document the Problem and the Solution. STEP 8: Give Feedback. Wire to Application. Go Easy Early. Walk Through the Protocol Stack. Network Interface Cards. Network Analysis Resources. Crossover Cables. Tone Generator/Tone Locator. Time-Domain Reflectometers. Protocol Analyzers. Summary.

Appendix.

Glossary.

Index.

Preface

Introduction

Welcome to Network+. If you are like many IT professionals, you have decided to upgrade your job skills by becoming professionally certified. This book is designed primarily for network professionals preparing for the Computer Technology Industry Association (Comptia) testing program for Network+. Passing this examination is recognition by the computer industry that you have acquired knowledge equivalent to that of networking technicians with 18-24 months experience. The examination covers a wide range of vendor and product neutral network technologies so don't be intimidated by the wide variety of test questions. Keep studying and your efforts will pay off.

Who Is This Book For?

This book is designed to provide concise and comprehensive information about networks. This book gets right to the point and provides all you will need to know to pass the examination. It will also benefit computing professionals who are responsible for the management of network-based computing environments because it has been designed to be both a training guide and reference resource. Many aspects of client and server, TCP/IP, installation, configuration, network administration, and security are covered. The readers of this book should have a good working knowledge of the hardware requirements of the A+ certification and familiarity with the graphical interface of the network operating systems discussed.

What You Will Need

Through the use of numerous illustrations, we have endeavored to make this book as self-contained as possible. Nevertheless, we acknowledge that there is no substitute for hands-on experience. To fully practice the concepts explained in this book, you will need at least three Intel 486/66 (or better) computers with at least 32 Mbytes of RAM (64 Mbytes recommended), 450MB of free hard disk space, three network adapter cards, three mice (or other pointing device), four port UTP 10baseT hub, three sections of 10baseT twisted pair with RJ45 connectors, two VGA monitors, CD-ROM drive, and a 1.44MB 3.5-inch floppy diskette

drive. Also, you will need an evaluation copy of either Novell NetWare or Microsoft Windows NT. Optional equipment includes a modem or ISDN adapter, a printer, and a tape drive.

How This Book Is Organized

This book is divided into 11 chapters, which cover issues such as Network types, planning, upgrading, topologies, major operating systems, clients and servers, standards and protocols, TCP/IP, IPX/SPX, NetBeui, DLC, AppleTalk, cabling, connectors, routers, hubs, bridges, ATM, ISDN, Frame Relay, DSL, remote connectivity, network administration, security, back up, anti-virus, fault tolerance, UPS, and plenty of troubleshooting.

About the Examination

Step 1 is to register to take the Network+ examination. To do this, you should either call 1-800-909-EXAM (3926) or use the Registration Wizard found at http://www.2test.com. The online registration can be performed at any time day or night. Once registered to take the examination, you simply show up at the testing center at the right place and time. The examination is given at the Sylvan Prometric examination centers around the country. The folks at the number given have information about the costs, closest center, the center's hours, and availability. Although we've provided the outline and shown how the chapters of this book map to the objectives of the examination, you can view the objectives and related information at http://www.comptia.org/

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