CompTIA Network+ N10-005 Authorized Exam Cram

1 CompTIAN etwork+ N10-005 AuthorizedEmmett DulaneyMike Harwood800 East 96th Street, Indianapolis, Indiana 46240 USACompTIA network + N10-005 Authorized Exam CramCopyright 2012 by PearsonAll rights reserved. No part of this book shall be reproduced, stored in aretrieval system, or transmitted by any means, electronic, mechanical, pho-tocopying, recording, or otherwise, without written permission from the pub-lisher. No patent liability is assumed with respect to the use of the informa-tion contained herein. Although every precaution has been taken in thepreparation of this book, the publisher and author assume no responsibilityfor errors or omissions. Nor is any liability assumed for damages resultingfrom the use of the information contained : 978-0-7897-4905-5 ISBN-10: 0-7897-4905-XLibrary of Congress Cataloging-in-Publication data is on Printing: May 2012 TrademarksAll terms mentioned in this book that are known to be trademarks or servicemarks have been appropriately capitalized.

2 Pearson cannot attest to theaccuracy of this information. Use of a term in this book should not beregarded as affecting the validity of any trademark or service and DisclaimerEvery effort has been made to make this book as complete and as accurateas possible, but no warranty or fitness is implied. The information provided ison an as is basis. The author and the publisher shall have neither liabilitynor responsibility to any person or entity with respect to any loss or dam-ages arising from the information contained in this book or from the use ofthe CD or programs accompanying SalesQue Publishing offers excellent discounts on this book when ordered inquantity for bulk purchases or special sales. For more information, Corporate and Government sales outside of the , please contactInternational BogerAssociatePublisherDavid DusthimerAcquisitionsEditorBetsy BrownDevelopmentEditorBox TwelveCommunications.

3 EditorSandra SchroederProject EditorSeth KerneyCopy EditorApostrophe EditingServicesIndexerKen JohnsonProofreaderWilliams WoodsPublishing ServicesTechnical EditorChris CraytonPublishingCoordinatorVanessa EvansMultimediaDeveloperTim WarnerBook DesignerGary AdairPage LayoutBronkellaPublishingContents at a GlanceIntroduction1 CHAPTER 1 Introduction to Networking9 CHAPTER 2 OSI and TCP/IP Models and network Protocols43 CHAPTER 3 Addressing and Routing93 CHAPTER 4 Components and Devices135 CHAPTER 5 Installation and Configuration167 CHAPTER 6 Cabling and Wiring209 CHAPTER 7 Wireless259 CHAPTER 8 network Management303 CHAPTER 9 network Optimization381 CHAPTER 10 network Security413 CHAPTER 11 network Troubleshooting475 Practice Exam 1513 Answers to Practice Exam 1537 Practice Exam 2561 Answers to Practice Exam 2585 Glossary607 Index649 Table of network + Exam the network + network + Exam and Taking the network + Certification to Expect from the Few Exam Day the Exam 1:Introduction to , WANs, and network Computing versus Distributed Quiz , Point-to-Multipoint, and Wireless Mesh Quiz Private Networks (VPNs).

4 32 Virtual Local Area Networks (VLANs)..35 Cram Quiz Next?..41 CHAPTER 2:OSI and TCP/IP Models and network Networking OSI Seven-Layer TCP/IP Four-Layer the OSI Layers at Which Various network Components Quiz Protocols Versus Connectionless Protocol (IP)..55 Transmission Control Protocol (TCP)..55 User Datagram Protocol (UDP)..56 File Transfer Protocol (FTP)..57 Secure File Transfer Protocol (SFTP)..58 Trivial File Transfer Protocol (TFTP)..59 Simple Mail Transfer Protocol (SMTP)..59 Hypertext Transfer Protocol (HTTP)..60 Hypertext Transfer Protocol Secure (HTTPS)..60 Post Office Protocol Version 3/Internet Message Access ProtocolVersion 4 (POP3/IMAP4).. Shell (SSH)..62 Internet Control Message Protocol (ICMP)..63 Address Resolution Protocol (ARP)/Reverse Address ResolutionProtocol (RARP)..63 network Time Protocol (NTP)..65 network News Transfer Protocol (NNTP)..66 Secure Copy Protocol (SCP).

5 66 Lightweight Directory Access Protocol (LDAP)..66 Internet Group Management Protocol (IGMP)..67 Transport Layer Initiation Protocol (SIP)/Real-Time Transport Protocol (RTP)..68 TCP/IP Protocol Suite Quiz Name Service (DNS)..74 The DNS of DNS network + N10-005 Authorized Exam CramDNS in a Practical Quiz network Management Protocol (SNMP)..82 Components of Management Information Bases (MIBs)..85 SNMP Quiz Host Configuration Protocol (DHCP)..88 The DHCP and DNS Quiz Next?..92 CHAPTER 3:Addressing and Address Mask the Differences Between IPv4 Public and Private Interdomain Routing (CIDR)..100 Default Address IPv4 and IPv6 IP MAC Address Translation (NAT) and Port Address Translation (PAT)..112 Cram Quiz TCP/UDP Port Quiz TCP/IP Default Quiz Routers and over Ethernet (PoE)..129 The Spanning Tree Protocol (STP).. Quiz Next?

6 134 CHAPTER 4:Components and network Access Quiz network and Content Devices Quiz network Versus as a Service (NaaS)..165 Cram Quiz Next?..166 CHAPTER 5:Installation and a SOHO Quiz Services Digital network (ISDN)..178T-carrier and Frame Transfer Mode (ATM)..186 Summary of WAN Quiz Access Internet Internet Security Internet Public Switched Telephone network (PSTN)..200 Satellite Internet Internet Quiz Next?..207 CHAPTER 6:Cabling and Media Versus Baseband , Half Duplex, and Full Duplex Transmission network + N10-005 Authorized Exam CramTypes of network of Media and 568B Wiring Versus Crossover and Loopback of Wiring Quiz and Contrasting LAN Ethernet Quiz Next?..258 CHAPTER 7:Wireless ..259 Understanding Wireless Access Points (APs)..261 Wireless Radio Rate Versus Management Frequency Division Wireless Communications Between Wireless the Wireless Quiz Wireless Magic Behind Summary of Wireless Quiz Wireless Equivalent Privacy (WEP).

7 290Wi-Fi Protected Access (WPA).. Quiz Troubleshooting Affecting Wireless Quiz Next?..302 CHAPTER 8: network and Logical network , Procedures, Configurations, and Quiz network Reasons to Monitor Performance, Load, and Stress Event Quiz Crimpers, Strippers, and Event and Qualification Quiz with Command-Line Trace Route Utility (tracert/traceroute).. netstat network + N10-005 Authorized Exam CramThe ipconfig host route Quiz Next?..380 CHAPTER 9: network and Fault of Fault Address Redundancy Protocol (CARP)..393 Using Uninterruptible Power Supplies (UPSs)..393 Cram Quiz Best and Cold , Warm, and Cold Quiz Optimization of Service (QoS)..407 Traffic Quiz Next?..412 CHAPTER 10: network , Encryption, and Access Security Association and Key Management Protocol(ISAKMP)..415 Point-to-Point Tunneling Protocol (PPTP).

8 415 Layer 2 Tunneling Protocol (L2TP).. and of Access Protocols and Quiz , Authorization, and Accounting (AAA)..429 Passwords and Password Key and TACACS+..439 Remote Authentication Versus Unsecured Physical Security to the and Multifactor Quiz Common Security and Trojan of Service and Distributed Denial of Service Common Ounce of Quiz and Other and Stateless Layer Firewall Zones (Perimeter network )..466 Other Security Quiz Next?..474xiiCompTIA network + N10-005 Authorized Exam CramCHAPTER 11: network Steps and the a Theory of Probable the Theory to Determine a Plan of the Solution or Full System the Findings, Actions, and Quiz the Problems to Be Aware Infrastructure and Troubleshooting Client an Incorrect Quiz Next?..511 Practice Exam to Practice Exam at a and Exam to Practice Exam at a and the AuthorsEmmett Dulaney( network +, A+, Security+, ManyOthers+) is the author ofnumerous books on certifications and operating systems.

9 He is a columnist forCertCities and an associate professor at Anderson University. In addition tothe network + Exam Cram, he is the author of the CompTIA A+ Complete StudyGuideand the CompTIA Security+ Study Harwood(MCSE, A+, network +, Server+, Linux+) has more than 14years experience in information technology and related fields. He has held anumber of roles in the IT field including network administrator, instructor,technical writer, website designer, consultant, and online marketing has been a regular on air technology contributor for CBC radio and hascoauthored numerous computer books, including the network + Exam Crampublished by the Technical EditorChristopher A. Craytonis an author, a technical editor, a technical consult-ant, a security consultant, a trainer and a SkillsUSA state-level technologycompetition judge. Formerly, he worked as a computer and networkinginstructor at Keiser College (2001 Teacher of the Year); a network administra-tor for Protocol, a global electronic customer relationship management(eCRM) company; and at Eastman Kodak Headquarters as a computer andnetwork specialist.

10 Chris has authored several print and online books, includ-ing The A+ exams Guide, Second Edition (Cengage Learning, 2008), MicrosoftWindows Vista 70-620 Exam Guide Short Cut(O Reilly, 2007), CompTIA A+Essentials 220-601 Exam Guide Short Cut(O Reilly, 2007), The A+ exams Guide,The A+ Certification and PC Repair Handbook(Charles River Media, 2005), TheSecurity+ Exam Guide(Charles River Media, 2003) and A+ Adaptive exams (Charles River Media, 2002). He is also co-author of the How to Cheat atSecuring Your network (Syngress, 2007). As an experienced technical editor,Chris has provided many technical edits and reviews for several major publish-ing companies, including Pearson Education, McGraw-Hill, CengageLearning, Wiley, O Reilly, Syngress, and Apress. He holds MCSE, A+ andNetwork+ Karen, Kristin, Evan, and Spencer: the backbone of my network . Emmett DulaneyAcknowledgmentsI would like to thank Mike Harwood for creating a great book of which I washonored to join with this edition.