Book Image

CompTIA A+ Complete Practice Tests: Exam Core 1 220-1001 and Exam Core 2 220-1002 - Second Edition

By : Jeff T. Parker, Quentin Docter
Book Image

CompTIA A+ Complete Practice Tests: Exam Core 1 220-1001 and Exam Core 2 220-1002 - Second Edition

By: Jeff T. Parker, Quentin Docter

Overview of this book

The CompTIA A+ certification is the most popular entry-level IT certification, with over 1 million A+ certified professionals to date. A+ certification is a crucial step in your IT career. Many businesses require this accreditation when hiring computer technicians or validating the skills of current employees. CompTIA A+ Complete Practice Tests, Second Edition is an indispensable part of any study plan for A+ certification. It enables you to hone your test-taking skills, focus on challenging areas, and be thoroughly prepared to ace the exam and earn your A+ certification. The book presents nine unique practice tests and two 90-question bonus tests covering all the objective domains for both the 220-1001 and 220-1002 exams. Comprehensive coverage of every essential exam topic ensures that you will know what to expect on the exam day. Over 1200 practice questions on topics including hardware, networking, mobile devices, operating systems and procedures, troubleshooting, and more, enable you to assess your performance and gain the confidence you need to pass the exam with flying colors. By the end of the book, you would have thoroughly prepared for the A+ certification and will be confident to ace the exam.
Table of Contents (12 chapters)

Chapter 5: Hardware and Network Troubleshooting

  1. D. Failure to boot at all likely means the drive is dead. But first, do your due diligence and reseat the connections and make sure the BIOS recognizes the drive before replacing it. Most BIOSs today auto-detect the hard drive. If that auto-detection fails, it’s bad news for the hard drive unless there’s a cable, connection, or jumper issue. If the internal hard drive is indeed dead, you might be able to get by temporarily by plugging in one that’s in an external enclosure.
  2. B. The system BIOS contains the boot sequence for a system. Most systems probably boot to the first hard drive, but they can also be configured to boot from a secondary hard drive, the optical drive, or the network. This setting is configured in the BIOS.
  3. D. If a laptop does not display any video, it could be the screen or the video card. To test it, plug in an external monitor (that you know works) and use the function keys on the laptop to switch...