Eleventh Hour Network+

Eleventh Hour Network+, 1st Edition

Exam N10-004 Study Guide

Eleventh Hour Network+, 1st Edition,Naomi Alpern,ISBN9781597494281






235 X 191

Use this book with any Network+ Study Guide to make the most of the last 24 hours before the exam!

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Key Features

•The only book keyed to the new 2009 objectives that has been crafted for last minute cramming
•Easy to find, essential material with no fluff – this book does not talk about security in general, just how it applies to the test
•Includes review of five toughest questions by topic - sure to improve your score


Eleventh Hour Security+: Exam SY0-201 Study Guide offers a practical guide for those preparing for the CompTIA Network+ exam. The book's 10 chapters provide in-depth discussions of the following topics: network fundamentals; network media; network devices; wireless networking; open systems interconnection (OSI) model and networking protocols; transmission control protocol/internet protocol (TCP/IP) and IP routing; wide area networking; hardware and software security; network management; and network troubleshooting. Each chapter includes information on exam objectives, exam warnings, and the top five toughest questions along with their answers.


The Network+ certification is recommended for Network/Security Administrators and Engineers, Security Analysts/Consultants, IT Architects, and Service/System Support Technicians.

Naomi Alpern

Naomi Alpern currently works for Microsoft as a consultant specializing in unified communications. She holds many Microsoft certifications, including an MCSE and MCT, as well as additional industry certifications such as Citrix Certified Enterprise Administrator, Security+, Network+, and A+. Since the start of her technical career she has worked in many facets of the technology world, including IT administration, technical training, and most recently, full-time consulting.

Affiliations and Expertise

Consultant, Unified Communications, Microsoft, USA, Citrix Certified Enterprise Administrator, Security+, Network+, A+, MCSE, MCT

Eleventh Hour Network+, 1st Edition

About the Authors Chapter 1 Network Fundamentals What Is a Network? Network Elements Logical Networking Topologies Centralized Decentralized (Distributed) Peer-to-Peer Client/Server Virtual Private Network Virtual Local Area Network Physical Networking Models The Bus Topology The Star Topology (Hierarchical) The Mesh Topology The Ring Topology Wireless Network Types Local Area Network and Wide Area Network Metropolitan Area Network Storage Area Network Personal Area Network Campus Area Network Summary of Exam Objectives Top Five Toughest Questions Answers Chapter 2 Network Media Cabling and Connectors Overview Fundamentals of Cabling Fundamentals of Connectors Media Issues Interference Bandwidth Length Problems Security Issues Installation Troubleshooting Simplex, Half-Duplex, and Full Duplex Cabling Copper Cabling Fiber Cabling Preparing Twisted-Pair Cable Cable Installation Cable Management LAN Technologies and Media Standards 10Base2, 10Base5, and Arcnet 10BaseT and Beyond Connectors Twisted-Pair and Coaxial Cable Connectors Fiber Connectors Recognizing Cables Category 3, 5, 5e, and 6 UTP Shielded Twisted Pair Coaxial Cable Single Mode and Multimode Fiber-Optic Cable Summary of Exam Objectives Top Five Toughest Questions Answers Chapter 3 Network Devices Network Devices Repeaters Hubs Bridges Multistation Access Units Understanding Switches The Modem and Other Adapters Channel Service Unit/Data Service Unit Network Interface Cards Modern Network Devices Summary of Exam Objectives Top Five Toughest Questions Answers Chapter 4 Wireless Networking Radio Frequency and Antenna Behaviors and Characteristics Wireless Network Concepts Overview of Wireless Communication in a Wireless Network Wireless Network Protocols and Operation Common Exploits of Wireless Networks Passive Attacks on Wireless Networks Active Attacks on Wireless Networks Jamming Attacks Configuring Windows Client Computers for Wireless Network Security Site Surveys Summary of Exam Objectives Top Five Toughest Questions Answers Chapter 5 The OSI Model and Networking Protocols The OSI Model Layer 1: Physical Layer 2: Data Link Layer 3: Network Layer 4: Transport Layer 5: Session Layer 6: Presentation Layer 7: Application The Microsoft Model The Department of Defense Networking Model Layer 1: Network Interface Layer 2: Internet Layer 3: Host-to-Host Layer 4: Application Networking Protocols Summary of Exam Objectives Top Five Toughest Questions Answers Chapter 6 TCP/IP and Routing Transmission Control Protocol/Internet Protocol IP Version 4 IP Version 6 Understanding IP Addressing Network ID and Host ID Understanding Subnet Masking Default Subnet Mask Custom Subnet Mask Strategies to Conserve Addresses Considerations Multicast, Broadcast, and Unicast Understanding Basic IP Routing IP Routing Tables Summary of Exam Objectives Top Five Toughest Questions Answers Chapter 7 Wide Area Networking What Is a Wan? Switching Methods Wan Protocols and Properties Internet Access Methods Digital Subscriber Line Cable Modem Plain Old Telephone Service/Public Switched Telephone Network Wireless Summary of Exam Objectives Top Five Toughest Questions Answers Chapter 8 Security Standards and Services Hardware and Software Security Devices Intrusion Detection Systems Intrusion Prevention Systems Proxy Servers Honeypot Honeynets Security Zones Virtual Private Networks Network Ports, Services, and Threats Network Access Security Authentication Methods Authentication Services Summary of Exam Objectives Top Five Toughest Questions Answers Chapter 9 Network Management Network Management Configuration Management CM Documentation Types Documenting Configurations Change Control Documentation Wiring Schematics Physical Network Diagrams Logical Network Diagrams Baselines Policies, Procedures, and Configurations Regulations Network Monitoring Network Performance Optimization Summary of Exam Objectives Top Five Toughest Questions Answers Chapter 10 Network Troubleshooting A Troubleshooting Methodology Analyzing and Responding to a Problem The OSI Model Windows Tools Linux Tools Netware Troubleshooting Other Network Troubleshooting Tools Importance of Network Documentation How to Use the OSI Model in Troubleshooting Reviewing the OSI Model Establishing a Troubleshooting Strategy Troubleshooting the Physical Layer Troubleshooting the Data Link Layer Troubleshooting the Network Layer Troubleshooting the Transport Layer Troubleshooting the Session Layer Troubleshooting the Presentation Layer Troubleshooting the Application Layer Summary of Exam Objectives Top Five Toughest Questions Answers Glossary Index

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