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


  • 5.1 Given a scenario, use the best practice methodology to resolve problems.
    • Always consider corporate policies, procedures, and impacts before implementing changes.
    • 1. Identify the problem.
      • Question the user and identify user changes to the computer and perform backups before making changes.
      • Inquire regarding environmental or infrastructure changes.
      • Review system and application logs.
    • 2. Establish a theory of probable cause (question the obvious).
      • If necessary, conduct external or internal research based on symptoms.
    • 3. Test the theory to determine cause.
      • Once the theory is confirmed, determine the next steps to resolve the problem.
      • If the theory is not confirmed reestablish a new theory or escalate the problem.
    • 4. Establish a plan of action to resolve the problem and implement the solution.
    • 5. Verify full system functionality and, if applicable...