CompTIA A+ 2009 In Depth by Jean Andrews PDF

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  • CompTIA A+ 220-701 necessities examination, 2009 version: exam targets Mapped to Chapters
  • CompTIA A+ 220-702 useful software examination, 2009 variation: exam ambitions Mapped to Chapters
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Increased content on troubleshooting networking connections. • Solid state hard drives. • DDR3 memory and triple channeling. • How to implement hardware and software RAID and dynamic drives. • Connecting a PC to a cellular network. • Increased use of flowcharts when troubleshooting. • Steps to install AMD processors and dual video cards. • More coverage of 64-bit OS and systems. • Power management. • Disassemble laptop and replace internal components including processor, motherboard, CMOS battery, fans, and speakers.

Video Replacing a Power Supply A+ Exam Tip The A+ IT 220-702 Practical Application exam expects you to know how to select and install a power supply. Know it must match wattage requirements and have the correct connector types and number of connectors to meet the demands of the system. ” Never remove the cover or put your hands inside this equipment unless you know about the hazards of charged capacitors and have been trained to deal with them. Both the power supply and the monitor can hold a dangerous level of electricity even after you turn them off and disconnect them from a power source.

Just plug in the mouse, keyboard, and monitor cables from each computer to the device. Also plug in the one monitor, mouse, and keyboard to the device. Figure 9-52 shows the hardware configuration for the KVM switch in Figure 9-51. Switch between computers by using a hot key on the keyboard or buttons on the top of the KVM switch. Pc1 Pc2 Pc4 A+ 220-702 Pc3 9 Figure 9-52 Hardware configuration for a four-port KVM switch that also supports audio Courtesy: Course Technology/Cengage Learning A+ Exam Tip Content for the A+ 220-701 Essentials exam ends here, and content on the A+ 220702 Practical Application exam begins.

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CompTIA A+ 2009 In Depth by Jean Andrews


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