Pawan K. Bhardwaj9780596528249, 0596528248
Table of contents :
A+, Network+, Security+ Exams in a Nutshell……Page 1
Table of Contents……Page 6
Preface……Page 10
Other Study Resources……Page 12
Acknowledgments……Page 13
Part I. A+ Essentials……Page 14
Overview of A+ Essentials Exam……Page 16
Personal Computer Components……Page 18
Laptops and Portable Devices……Page 21
Operating Systems……Page 22
Printers and Scanners……Page 24
Networks……Page 25
Security……Page 26
Communication and Professionalism……Page 28
A+ Essentials Study Guide……Page 29
Form Factors……Page 31
Components of motherboards……Page 32
Power supplies……Page 37
Processors……Page 38
Memory……Page 40
Storage devices……Page 43
Display devices……Page 45
Input devices……Page 47
Adapter cards……Page 48
Types of port connectors……Page 49
Cooling systems……Page 51
Installing storage devices……Page 53
Installing/upgrading display devices……Page 54
Basic troubleshooting theory……Page 55
Basic diagnostic procedures……Page 56
Basic troubleshooting tools……Page 57
Identifying problems……Page 58
Scheduling preventive maintenance……Page 60
PM for display devices……Page 61
PM for storage devices……Page 62
Overview of Laptop Components……Page 63
Processors……Page 64
Display devices……Page 65
Input devices……Page 67
Expansion buses and ports……Page 68
Overview of ACPI standards……Page 71
Power options in Windows……Page 73
Removing laptop-specific hardware……Page 74
Power problems……Page 75
Networking problems……Page 76
Operating environment……Page 77
Windows……Page 78
Linux……Page 81
Working with Windows interfaces……Page 82
The System Control Panel……Page 85
Windows Registry……Page 87
Windows system files……Page 88
Managing disks……Page 89
Managing files and folders……Page 91
Installing and Configuring Operating Systems……Page 94
Installing the operating system……Page 95
Installing Windows XP Professional……Page 98
Installing Windows 2000 Professional……Page 101
Upgrading an operating system……Page 103
Installing devices and drivers……Page 105
Optimizing performance……Page 107
Understanding boot sequence……Page 110
Understanding the Advanced Boot Options……Page 111
Recovery Console……Page 112
Automated System Recovery (Windows XP)……Page 113
Emergency Repair Disk (Windows 2000)……Page 114
Troubleshooting procedures……Page 115
Operational problems……Page 116
Common error messages……Page 117
Troubleshooting utilities……Page 118
Software updates……Page 121
Windows Update……Page 122
Creating System Restore Points……Page 123
Laser printers……Page 124
Inkjet printers……Page 127
Impact printers……Page 129
Solid ink printers……Page 130
Printer interfaces……Page 131
Printer supplies……Page 132
Types of scanners……Page 133
Components of a scanner……Page 134
Installing printers and scanners……Page 135
Upgrading printers……Page 137
Basic troubleshooting procedures……Page 138
Troubleshooting inkjet printers……Page 139
Troubleshooting laser printers……Page 140
Common problems with scanners……Page 141
Types of networks……Page 142
Networking models……Page 143
Network topologies……Page 144
Network cabling……Page 145
Connectors……Page 147
Switches……Page 148
Networking protocols……Page 149
Host naming and addressing……Page 151
LAN technologies……Page 153
WAN technologies……Page 155
Infrared……Page 159
Installing and configuring network cards……Page 160
Troubleshooting network media……Page 161
Security……Page 162
Authentication technologies and protocols……Page 163
Protection from malicious software……Page 166
Software firewalls……Page 167
Wireless security……Page 169
Protecting wireless networks from attacks……Page 171
Physical security……Page 174
Security-related problems……Page 175
Preventive maintenance procedures……Page 176
Identifying potential safety hazards……Page 178
Material Safety Data Sheet (MSDS)……Page 179
Using appropriate repair tools……Page 180
Handling safety incidents……Page 181
ESD precautions……Page 182
Display devices……Page 184
Communications and Professionalism……Page 185
Talking to the customer……Page 186
Active listening……Page 187
Use nontechnical vocabulary……Page 188
Professional behavior……Page 189
Use of property……Page 191
Prep and Practice for the A+ Essentials Exam……Page 194
Suggested Exercises for the A+ Essentials Exam……Page 195
Identify Processor and Memory……Page 196
Input Devices……Page 197
Preventive Maintenance……Page 198
Configuring Taskbar……Page 199
Changing File Attributes……Page 200
Creating System Restore Point (Windows XP)……Page 201
Network Topologies……Page 202
Protection from Malicious Software……Page 203
Personal Computer Components……Page 204
Laptop and Portable Devices……Page 213
Operating Systems……Page 217
Printers and Scanners……Page 226
Networks……Page 230
Security……Page 235
Safety and Environmental Issues……Page 241
Communication and Professionalism……Page 243
Practice Questions for the A+ Essentials Exam……Page 244
Part II. A+ Exams 220-602, 220-603, and 220-604……Page 256
Overview of the A+ Exams 220-602, 220-603, and 220-604……Page 258
Laptops and Portable Devices……Page 260
Printers and Scanners……Page 261
Security……Page 262
Communication and Professionalism……Page 263
Study Guide for A+ Exams 220-602, 220-603, and 220-604……Page 264
Personal Computer Components……Page 265
Storage devices……Page 266
Motherboards……Page 268
Power supplies……Page 270
Processors/CPUs……Page 271
Memory (RAM)……Page 272
Adapter cards……Page 273
Basic diagnostic procedures……Page 274
Troubleshooting steps……Page 275
Troubleshooting tools……Page 276
Display devices……Page 278
Input devices……Page 279
External ventilation factors……Page 280
Communication technologies for laptops……Page 281
Power supplies……Page 282
Components of LCD……Page 283
Installing and removing devices……Page 284
Upgrading memory……Page 285
Removing unneeded devices……Page 286
External keypad……Page 287
Antenna wires……Page 288
Command-line functions and utilities……Page 289
Managing disks……Page 296
Disk maintenance……Page 299
Virtual memory……Page 307
Defragmenting hard disks……Page 308
System startup……Page 309
Operating system recovery……Page 310
Resolving common operational problems……Page 312
Interpreting common error messages……Page 314
Utilities for diagnosing operational problems……Page 316
Windows Update……Page 318
Antivirus software……Page 319
The printing process……Page 320
Laser printers……Page 321
Inkjet printers……Page 323
Solid ink……Page 324
Impact printers (dot matrix)……Page 325
Scanners and the scanning process……Page 326
Installing and configuring printers……Page 327
Upgrading printers and scanners……Page 333
Installing and configuring scanners……Page 334
Optimizing printer and scanner performance……Page 335
Analyzing the collected data……Page 336
Applying the solution……Page 337
Repair tools……Page 338
Preventive Maintenance (PM)……Page 339
Supplies……Page 340
OSI model……Page 341
Networking protocols……Page 342
LAN technologies……Page 346
WAN technologies……Page 347
Infrared (IrDA)……Page 350
Establishing network connectivity……Page 351
Joining a Windows workgroup or domain……Page 352
Sharing network resources……Page 354
Installing and configuring network browsers……Page 356
Troubleshooting Network Problems……Page 358
Troubleshooting tools……Page 359
Cable-testing devices……Page 362
Configuration problems……Page 363
Preventive maintenance for networks……Page 368
Access control……Page 371
Access control using groups……Page 372
Permissions and level of access……Page 373
Restricted spaces……Page 374
Auditing and event logging……Page 375
Authentication technologies……Page 376
Enabling and disabling auditing……Page 378
Wireless client configuration……Page 379
Data access……Page 380
Diagnostic and Troubleshooting Techniques……Page 381
Data access issues……Page 382
Security policies……Page 383
Social engineering……Page 384
Prep and Practice for the A+ Exams 220-602, 220-603, and 220-604……Page 386
Suggested Exercises for the Exams……Page 387
Upgrading Memory……Page 388
Testing the Power Supply DC Output Voltages……Page 389
Connecting a Laptop to a Wireless Network……Page 390
Disk Partitioning and Formatting……Page 391
Changing the System Startup Settings……Page 392
Accessing Advanced Boot Options……Page 393
Testing Network Connectivity……Page 394
Configuring Auditing and Logging……Page 395
Personal Computer Components……Page 396
Laptop and Portable Devices……Page 399
Operating Systems……Page 401
Printers and Scanners……Page 407
Networks……Page 411
Security……Page 414
Practice Questions for the A+ Exams……Page 417
Part III. Network+……Page 428
Overview of the Network+ Exam……Page 430
Media and Topologies……Page 432
Protocols and Standards……Page 433
Network Implementation……Page 434
Network Support……Page 435
Network+ Exam Study Guide……Page 437
Local area network (LAN)……Page 438
Personal area network (PAN)……Page 439
Client/server network……Page 440
Star topology……Page 441
Bus topology……Page 442
Ring topology……Page 443
Wireless topologies……Page 444
IEEE 802.2……Page 446
IEEE 802.5……Page 447
IEEE 802.11……Page 448
Fiber Distributed Data Interface (FDDI)……Page 449
Twisted pair cables……Page 450
Fiber optic cables……Page 452
10 Mbps Ethernet……Page 453
100 Mbps Ethernet……Page 454
10 Gigabit Ethernet……Page 455
Registered Jack-45 (RJ-45)……Page 456
Fiber optic connectors……Page 457
IEEE 1394……Page 458
Universal Serial Bus (USB)……Page 459
Hubs……Page 460
Switches……Page 461
Bridges……Page 462
Routers……Page 463
Channel Service Unit (CSU)/Data Service Unit (DSU)……Page 464
Wireless Access Point (WAP)……Page 465
Modems……Page 466
Spread spectrum wireless technology……Page 467
Infrared……Page 468
Factors that affect wireless services……Page 469
Media Access Control (MAC) Address……Page 470
Network layer (Layer 3)……Page 471
Application layer (Layer 7)……Page 472
NetBEUI……Page 473
Internet Packet Exchange/Sequenced Packet Exchange (IPX/SPX)……Page 474
AppleTalk……Page 475
Transmission Control Protocol/Internet Protocol (TCP/IP)……Page 477
IPv4 addresses……Page 478
Subnetting……Page 479
Address assignment……Page 480
TCP/IP protocols……Page 481
Port assignments in TCP/IP……Page 484
Network services……Page 485
Circuit switching……Page 488
Fiber Distributed Data Interface (FDDI)……Page 489
T-Carrier……Page 490
Digital Subscriber Line (DSL)……Page 491
Broadband cable……Page 492
Wireless……Page 493
Point-to-Point Protocol (PPP)……Page 494
Virtual Private Networking……Page 495
Security Protocols……Page 496
Point-to-Point Tunneling Protocol (PPTP)……Page 497
Secure Socket Layer (SSL)……Page 498
Wi-Fi Protected Access (WPA)……Page 499
Authentication Protocols……Page 500
Remote Authentication Dial-in User Service (RADIUS)……Page 501
Network Implementation……Page 502
Linux/Unix……Page 503
MAC OS X……Page 504
NetWare……Page 505
Windows 2000 Server and Windows Server 2003……Page 507
Media testers/certifiers……Page 510
Firewalls……Page 511
Proxy servers……Page 513
Virtual Local Area Network (VLAN)……Page 514
Port blocking/filtering……Page 515
Authentication……Page 516
Biometrics……Page 517
Types of malicious codes……Page 518
Trojan horses……Page 519
Disk fault tolerance……Page 520
Server fault tolerance……Page 522
Data backup……Page 524
Troubleshooting Utilities……Page 527
tracert/traceroute……Page 528
ping……Page 529
arp……Page 532
netstat……Page 533
nbtstat……Page 536
ipconfig……Page 537
winipcfg……Page 538
nslookup……Page 539
dig……Page 540
Visual Indicators……Page 541
Authentication failures……Page 542
Physical connectivity……Page 543
Troubleshooting network services……Page 544
Troubleshooting physical topologies……Page 546
Troubleshooting network infrastructure……Page 547
Troubleshooting strategy……Page 550
Network+ Exam Prep and Practice……Page 553
Network+ Exam Suggested Exercises……Page 554
Media Devices……Page 555
WAN and Internet Technologies……Page 556
Fault Tolerance……Page 557
Using the arp Command……Page 558
Media and Topologies……Page 559
Protocols and Standards……Page 566
Network Implementation……Page 576
Network Support……Page 581
Network+ Exam Practice Questions……Page 586
Part IV. Security+……Page 596
Overview of Security+ Exam……Page 598
General Security Concepts……Page 600
Communication Security……Page 601
Infrastructure Security……Page 602
Basics of Cryptography……Page 603
Operational/Organizational Security……Page 604
Security+ Exam Study Guide……Page 606
General Security Concepts……Page 607
Discretionary Access Control (DAC)……Page 608
Role-Based Access Control (RBAC)……Page 609
Kerberos……Page 610
Challenge Handshake Authentication Protocol (CHAP)……Page 611
Certificates……Page 612
Username/Password……Page 613
Tokens……Page 614
Biometrics……Page 615
System auditing……Page 616
Types of Attacks……Page 617
Denial of Service (DoS)……Page 618
Distributed Denial of Service (DDoS)……Page 619
IP spoofing……Page 621
Man-in-the-Middle Attacks (MITM)……Page 622
TCP/IP hijacking……Page 623
Password attacks……Page 624
Software exploitation……Page 625
Viruses……Page 626
Trojan horses……Page 627
Wardialing……Page 628
Identifying and Disabling Nonessential Services and Protocols……Page 629
Communication Security……Page 630
802.1x……Page 631
Virtual Private Networking……Page 634
Terminal Access Controller Access Control System (TACACS)……Page 636
Point-to-Point Tunneling Protocol (PPTP)……Page 637
Internet Protocol Security (IPSec)……Page 638
Email……Page 640
Pretty Good Privacy (PGP)……Page 641
Email vulnerabilities……Page 642
Securing web servers……Page 644
Secure Socket Layer/Transport Layer Security (SSL/TSL)……Page 645
Vulnerabilities in Internet services……Page 646
LDAP naming conventions……Page 652
Secure FTP (S/FTP)……Page 653
Wireless local area networks……Page 654
IEEE 802.11……Page 655
Wired Equivalent Privacy (WEP)……Page 657
Authentication in wireless networks……Page 658
Types of attacks on wireless networks……Page 659
Protecting wireless networks from attacks……Page 660
Firewalls……Page 661
Routers……Page 663
Remote Access Servers (RAS)……Page 664
Virtual Private Networks (VPNs)……Page 665
Network monitoring……Page 666
Servers……Page 667
Coaxial cable……Page 668
Unshielded fwisted pair/shielded twisted pair (UTP/STP) cables……Page 669
Removable media……Page 670
Security zones……Page 672
Virtual local area network (VLAN)……Page 675
Intrusion Detection System (IDS)……Page 676
Honeypots……Page 678
Updates……Page 679
Network Hardening……Page 680
Web servers……Page 681
FTP servers……Page 682
File and print servers……Page 683
Data repositories……Page 684
Encryption Algorithms……Page 685
Symmetric algorithms……Page 686
Asymmetric algorithms……Page 687
Hashing algorithms……Page 689
Integrity……Page 690
Certificates……Page 691
Trust models……Page 693
PKI standards and protocols……Page 694
Key management and certificate lifecycles……Page 695
Access control……Page 698
Environment……Page 699
Backups……Page 700
Secure recovery……Page 701
Disaster recovery plan……Page 702
Business continuity plan……Page 703
Security Policies and Procedures……Page 704
Incident response policy……Page 707
Centralized verses decentralized……Page 708
Computer Forensics……Page 709
Preservation of evidence……Page 710
Communication……Page 711
Asset identification……Page 712
Vulnerabilities……Page 713
Security+ Exam Prep and Practice……Page 715
Security+ Exam Suggested Exercises……Page 716
System Scanning……Page 717
Wireless Security……Page 718
System Hardening……Page 719
General Security Concepts……Page 720
Communication Security……Page 726
Infrastructure Security……Page 732
Basics of Cryptography……Page 739
Operational and Organizational Security……Page 741
Security+ Exam Practice Questions……Page 747
Index……Page 758
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