tailieunhanh - CompTIA Network+ Certification Study Guide part 79

CompTIA’s Network+ certification Study Guide part 79 is a globally-recognized, vendor neutral exam that has helped over 235,000 IT professionals reach further and higher in their careers. The 2009 Network+ exam (N10-004) is a major update with more focus on security and wireless aspects of networking. Our new study guide has been updated accordingly with focus on network, systems, and WAN security and complete coverage of today’s wireless networking standards. | 766 Index Authentication POP APOP 436 Authentication server 197 Automatic private IP addressing APIPA 323 B Bandwidth 50-52 89 Baseband 242 583 Basic rate interface BRI 111 WAN 362 Bastion host 407 Bayonet-Neill-Concelman BNC 48 BBSs. See Bulletin board systems Bearer code BC identifier 114 BGP See Border gateway protocol Big Brother 418 Biometrics 441 Bitwise ANDing 308-310 Bluetooth 182 190-191 BNC. See Bayonet-Neill-Concelman Boolean operators 308 BOOTP. See Bootstrap protocol Bootstrap protocol BOOTP 326 329 Border gateway protocol BGP 342 BRI. See Basic rate interface Bridges 104-105 143 Broadband 242 583 Broadcast messages 152 Broadcast traffic 333 Buffer-overflow attacks 444 Bulletin board systems BBSs 12 Bus topology 25-26 benefit of 26 disadvantage of 26 C Cable modem termination system CMTS 109 Cable modems 107 109 370-371 Cable testers for Ethernet cable 560 and troubleshooting 58-62 89-90 559 Cable ties 67 Cables 33 63 87 90 coaxial 47 78 83 and connectors 46 89 copper 63-64 fiber-optic 48 64 84-85 fundamentals of 46-48 installation 66-67 interference 49-50 issues in length of 588 length problems 52-54 588 management and termination 67-69 physical layer problem with 587 physical media 47 preparing 64-66 problems with 587-588 purpose of 46 repair of 57-58 security 54-55 troubleshooting 56-57 twisted-pair 47 categories 82 color codes 65 Caching engines 504 Campus area network 35 Carrier protocol 21 Carrier sense multiple access collision avoidance CSMA CA 184-185 245 Carrier sense multiple access collision detection CSMA CD 70 184-185 245 648 Centralized access control 17 Centralized network model 15-16 Certificate authority CA 457 Challenge handshake authentication protocol CHAP 454-455 Channel service unit data service unit CSU DSU 116-117 CHAP. See Challenge handshake authentication protocol CIA. See Confidentiality integrity and availability CIDR. See Classless interdomain routing CIFS. See Server message block Circuit level firewalls 129 393 Circuit