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CompTIA A+ Books
https://www.wiley.com/CompTIA+A%2B+Certification+All+in+One+For+Dummies%2C+5th+Edition-p-9781119581086
Edward Tetz
Timothy L. Warner
Glen E. Clarke
|
Published:
September 18, 2019

CompTIA A+ Certification All-in-One For Dummies

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Overview

Fully updated to cover the 2019 exam release! 

CompTIA's A+ certification is an essential certification to building a successful IT career. Test takers must pass both 90-question exams to be certified, and this book—plus online test bank—will help you reach your certification goal. 

The 9 minibooks map to the exam's objectives, and include new content on Windows 10, Scripting, Linux, and mobile devices. You’ll learn about how computers work, networking, computer repair and troubleshooting, security, permissions, and customer service. You'll also find test-taking advice and a review of the types of questions you'll see on the exam.

  • Use the online test bank to test your knowledge and prepare for the exam
  • Get up to speed on operating system basics
  • Find out how to manage the operating system
  • Discover maintenance and troubleshooting tips

Inside is all the knowledge you need to pass the new A+ exam!

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About The Author

Glen E. Clarke, A+, Network+, Security+, is an independent trainer and consultant. Ed Tetz, A+, MCSE, MCT, has written several guides to MCSE and other certifications. Timothy Warner, MCSE, MCT, A+, is an IT professional, technical trainer, and author.

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comptia a+ certification all-in-one for dummies

CHEAT SHEET

This Cheat Sheet gives you quick facts to remember on test day to help you answer questions found on the A+ Certification exams. Before the A+ exams, you’ll want to review some of the major Windows concepts, including boot files, recovery tools, RAID types, and troubleshooting utilities.Windows recovery toolsOne of the hardest tasks to perform when troubleshooting a system is fixing a system that will not boot.
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This Cheat Sheet gives you quick facts to remember on test day to help you answer questions found on the A+ Certification exams. Before the A+ exams, you’ll want to review some of the major Windows concepts, including boot files, recovery tools, RAID types, and troubleshooting utilities.Windows recovery toolsOne of the hardest tasks to perform when troubleshooting a system is fixing a system that will not boot.
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Another term for the expansion slots on a computer’s motherboard is bus slots. A number of different bus architectures have been developed over time. For the A+ Exam, you need to be able to identify the differences between each of these bus architectures and know which ones are more popular today. Architecture Bus Width (In Bits) Speed PCI 32/64 33 MHz AGP 32 66 MHz (1x), 133 MHz (2x), 266 MHz (4x), 533 MHz (8x) PCMCIA (laptops) 16 33 MHz PCI-X 32/64 66/133/266/533 MHz PCIe Serial Uses multiple lanes with each lane carrying 250 MBps.
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To properly maintain and diagnose applications, an A+ Certified Professional must be able to manage the installation and removal of applications. Before you can work with applications on your computer, you need to install them. With the rate at which the computer industry changes, you cannot avoid the need to upgrade or remove applications on your computer as they become obsolete.
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CompTIA publishes a six-step process related to the troubleshooting process. You will need to understand what they are on your A+ Exam. The six steps are: Identify the problem. Establish a theory of probable cause. Test the theory to determine cause. Establish a plan of action to resolve the problem and implement the solution.
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Each hardware manufacturer has its own diagnostic codes that identify specific POST errors. You need to consult the manufacturer documentation for the diagnostic codes for your hardware, but the general breakdown of the code categories is as follows: 100–199: Motherboard error 200–299: Memory error 300–39
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In today’s business world, maintaining a printing environment is one of the most time-consuming parts of managing a network, and you need to know the various printer connections and configurations for the CompTIA Certification A+ exams. In this article, you find out how printers are connected to computer systems in order to communicate.
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You will be presented with some common printer problems on the CompTIA Certification A+ exams, and you are responsible for identifying which component of the printer is causing the problem.You discover a number of general troubleshooting guidelines here to help you troubleshoot printer problems. You also find out about a few specific problems with each type of printer.
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You will need to know types of RAID for the A+ Certification Exam. RAID (Redundant Array of Inexpensive Disks) is a method of implementing redundancy (duplicated information) on your hard drives — if one disk fails, the other disk(s) can provide the missing information. There are many different levels of RAID, but the following are the only RAID levels pertinent to the A+ Exam: RAID 0: Disk striping (striped volume).
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So, you are interested in taking the CompTIA A+ certification exams? This article introduces you to the exams and gives you a good idea of what you can expect when you go to take them. Knowing what to expect in regard to the exam procedures and format will remove that uncertainty, which can weigh on your mind.
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With the massive amount of information you’re required to know for the A+ Exam, there are bound to be a few things that might slip past you. Here’s a quick list of some things you’ll need to know for the A+ Exam that you might have easily forgotten or overlooked: Contrast ratio: A value measuring the brightness of different colors such as white versus black.
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The different types of printers in today’s busy world of computing are laser, inkjet, dot matrix, thermal, and virtual. You need to be familiar with each type for the compTIA certification A+ exams. Laser printers The laser printer — also known as a page printer because it prints one page at a time — is the most popular type of printer because it is fast and reliable, and offers the best-quality printout of the three types of printers.
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The most popular ports used today on the system are the USB and FireWire ports — which allow you to connect devices such as flash drives, digital cameras, and digital video cameras. This table compares features of USB and FireWire, including the transfer rate and number of devices supported. Standard Transfer Rate Device Support USB 1.
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Windows utilizes four boot files, and you will need an understanding of all four of them for the A+ Exam. The four boot files for Windows are: bootmgr: Operating system loader code; similar to ntldr in previous versions of Windows. Boot Configuration Database (BCD): Builds the operating system selection menu and data resides in the BCD store.
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When problems arise on a Windows network, you can use the following utilities to do your troubleshooting. Having a clear understanding of all of them will help you on the A+ Exam. ipconfig: Display basic TCP/IP configuration, such as IP address, subnet mask, and default gateway. ipconfig /all: Display TCP/IP settings, including your Media Access Control (MAC) address, domain name system (DNS) server, and lease information.
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One of the hardest tasks to perform when troubleshooting a system is fixing a system that will not boot. The A+ Certification exams expect you to be comfortable with the different recovery tools available in Windows. This table reviews popular recovery tools and specifies where you can find the recovery tool — be sure to know these for the A+ Exam.
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One of the most important skills to have as an A+ Certified Professional is the capability of securing Windows systems and networks. And even if you are not working in a networked environment, you can apply these same skills to your customers with home Internet machines. Harden the operating system: Uninstall any software you are not using and stop any services not being used.
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As an A+ Certified Professional you will troubleshoot a number of different problems on the system — this table outlines some of the popular utilities you will use to support or troubleshoot a system. Be sure to know these before taking the A+ Exam! Filename Name Description chkdsk.exe Check Disk Check your hard drive for problems with the file system and for bad sectors.
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Wireless networking is a topic you are sure to be tested on when taking the A+ Exam. You are responsible for knowing the wireless standards and the common security steps you should take to help secure a wireless network. Wireless standards Standard Description 802.11a Runs at the 5 GHz frequency range and has a speed of 54 Mbps.
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