By David L. Prowse
CompTIA A+ examination Cram, 5th version, is the precise research advisor that will help you go CompTIA’s newly-updated types of the A+ tests. It presents assurance and perform questions for each examination subject. The booklet comprises an in depth set of perform questions, together with 250 published questions in 3 perform assessments, whereas the CD-ROM try engine presents real-time perform and suggestions with an extra two hundred questions. Covers the severe details you’ll want to know to attain larger in your A+ checks! . comprehend computer parts, together with motherboards, processors, reminiscence, strength, garage, audio, video, and I/O units . set up, configure, hold, troubleshoot, and connect computing device and workstation laptop undefined . set up and configure home windows 7, home windows Vista, and different home windows working platforms . Use home windows utilities to troubleshoot and fasten working procedure difficulties . comprehend crucial networking applied sciences, units, protocols, cabling, and connections . arrange small office/home place of work networks, together with web and wireless connections . Troubleshoot and attach failed client-side community connections . safe desktops and networks, determine defense difficulties, and dispose of viruses and malware . become aware of and clear up the commonest printing difficulties . practice crucial preventive upkeep . grasp crucial safeguard and operational methods for laptop technicians . organize your self successfully for examination day CD positive aspects over 2 hundred perform Questions . specific reasons of right and flawed solutions . a number of attempt modes . Random questions and order of solutions . insurance of every A+ examination target
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This booklet covers the certification examination good, so far as the themes. yet so far as the knowledge it includes, i don't believe it really is sufficient to cross the examination. The movies at the cd are only a waste of time; in contrast to you will examine a lot from them. now not a foul ebook total, yet wishes one other publication to counterpoint it.
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Additional info for CompTIA A+ 220-701 and 220-702 Exam Cram (5th Edition)
Use a POST card if necessary, and if worst comes to worst, swap the motherboard with a known good one. Let’s run through a quick troubleshooting scenario using the CompTIA sixstep troubleshooting methodology outlined in Chapter 1. Motherboard Issue In this scenario you are a PC technician working for the PC repair department of an electronics store. You are given a PC that supposedly reverts back to 12:00 AM, January 1, 2000, every time it starts. Troubleshoot! 1. Identify the problem: While viewing the work order, you see some of the customer comments: “PC worked fine until a few days ago.
SATA: Serial ATA is quickly eclipsing IDE. 1, there is only one IDE port, but there are six 7-pin SATA ports (one of which is for external connections). The reason for this is speed. Even though SATA sends data in a serial fashion, or one bit at a time, it is faster than IDE. 5Gbps (notice the lower case b indicating bits), equal to roughly 150MB/s. 0Gbps data rate, or 300MB/s. And new generations of faster SATA are forthcoming. Once again, hard drives, CD-ROMs, and DVDs can be connected to an SATA drive.
Unfortunately, this is one of the key elements in a computer system. It’s the starting point for a quick and efficient computer. Because it connects to everything in the computer system, you need to know many concepts concerning it. Let’s begin with the parts that make up the motherboard. Motherboard Components You don’t need to know every single chip and circuit that resides on the motherboard. Generally, if a motherboard fails, which is uncommon, the entire board needs to be replaced. However, you do need to know the main components, interfaces, and ports of a motherboard and have some knowledge of how it transmits data.