CompTIA A+ Complete Study Guide phần 6 docx

... 444 Tuesday, September 12, 20 06 11:59 AM Installing, Configuring, and Troubleshooting Networks 467 (also referred to as the Delta channel). This channel has only 16Kbps of bandwidth. BRI ISDN ... channels and one D channel. The total bandwidth of a 23B+D ISDN line is 1536Kbps (23 B channels × 64 Kbps per channel +64 Kbps for the D channel). In many cases, to maximize throughput, the t...

Ngày tải lên: 10/08/2014, 12:21

... Introduction Welcome to the CompTIA A+ Complete Study Guide. This is the fourth edition of our best- selling study guide for the A+ certification sponsored by CompTIA (Computing Technology ... Technologies 53 Monitors 60 Liquid Crystal Displays (LCDs) 61 Identifying Input Devices 63 Mouse 63 Keyboard 64 Bar-code Reader 65 Multimedia Devices 65 Biometric...

Ngày tải lên: 10/08/2014, 12:20

... × 15 36 4,294, 967 ,2 96 WQXGA, 16: 10 2 560 × 160 0 4,294, 967 ,2 96 WQUXGA, 16: 10 3840 × 2400 4,294, 967 ,2 96 WHUXGA, 16: 10 768 0 × 4800 4,294, 967 ,2 96 4831x.book Page 56 Tuesday, September 12, 20 06 11:59 ... 1,024 × 768 2 56 Super XGA (SXGA) 1280 × 1024 4,294, 967 ,2 96 Ultra XGA (UXGA) 160 0 × 1200 4,294, 967 ,2 96 Widescreen XGA (WXGA), 16: 9 1280 × 720 4,294, 967 ,2 96...

Ngày tải lên: 10/08/2014, 12:21

... the 1024 × 768 standard, but it can really support more than just that resolution. XGA was rather limited in that it could support only 65 ,5 36 colors in 800 × 60 0 resolution, and 2 56 colors in ... see resolution noted like this: 1024 × 768 or 1280 × 1024. At 1024 × 768 , the screen will display 768 rows of pixels 1024 columns wide, for a total of 7 86, 432 pixels. At 1280 × 1024,...

Ngày tải lên: 10/08/2014, 12:21

... installed. FIGURE 6. 3 The Windows 9x Device Manager FIGURE 6. 4 Properties of a network card 4831xc 06. fm Page 328 Wednesday, September 13, 20 06 7: 46 PM Understanding Printer and Scanner Fundamentals 367 FIGURE ... Properties, or double-click the System icon in Control Panel). 4831xc 06. fm Page 338 Wednesday, September 13, 20 06 7: 46 PM 366 Chapter 7  Understanding the Basic...

Ngày tải lên: 10/08/2014, 12:21

... hallway 4831x.book Page 557 Tuesday, September 12, 20 06 11:59 AM Chapter 10 Identifying Safety and Environmental Issues THE FOLLOWING COMPTIA A+ ESSENTIALS EXAM OBJECTIVES ARE COVERED IN THIS ... accidents, and displaying a safety information poster. 4831x.book Page 560 Tuesday, September 12, 20 06 11:59 AM 5 26 Chapter 10  Identifying Safety and Environmental Issues...

Ngày tải lên: 10/08/2014, 12:21

... (e.g. LED’s, swap AC adapter) 4831xc13.fm Page 63 2 Wednesday, September 13, 20 06 7:49 PM 4831xc13.fm Page 66 2 Wednesday, September 13, 20 06 7:49 PM 62 4 Chapter 12  Working with Personal Computer ... rather than a star (spoke and wheel), you don’t need a hub. 4831xc13.fm Page 64 0 Wednesday, September 13, 20 06 7:49 PM 61 6 Chapter 12  Working with Personal Computer Componen...

Ngày tải lên: 10/08/2014, 12:21

... vendor guidelines (e.g. install maintenance kits, reset page counts)  Ensure a suitable environment  Use recommended supplies 4831xc15.fm Page 742 Wednesday, September 13, 20 06 9: 56 AM 7 16 Chapter ... 512KB to 16MB) used to store print jobs as they are received from the printing computer. This buffer allows several jobs to be printed at once and helps printing to be comple...

Ngày tải lên: 10/08/2014, 12:21

... people. 4831xc17.fm Page 840 Wednesday, September 13, 20 06 10:00 AM Glossary 4831x.book Page 847 Tuesday, September 12, 20 06 11:59 AM 8 16 Chapter 17  Installing, Configuring, Upgrading, and ... this layer is to trust the layer below it, the IP layer. 4831xc17.fm Page 8 36 Wednesday, September 13, 20 06 10:00 AM 860 Glossary Internetwork Packet Exchange/Sequenced Packet Exchange...

Ngày tải lên: 10/08/2014, 12:21

... unnecessary for IPv6. The added security features of enforcing traffic translation and hiding internal network details from direct outside connections will give NAT life well into the IPv6 timeframe. ... SY0 - 201 Leading the way in IT testing and certification tools, www.testking.com - 76 - term for a server designed to permit remote users access to a network and to regulate t...

Ngày tải lên: 10/08/2014, 10:21