CompTIA A+ Certification All-in-One Exam Guide, Eleventh Edition (Exams 220-1101 & 220-1102)

1474 Pages·2023·205.512 MB·English

by  Travis Everett, Andrew Hutz

All-In-One / CompTIA A+™ Certification All-in-One Exam Guide / Meyers / 990-6 / Front Matter
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ALL IN ONE
A+
TM
CompTIA

Certification
E X A M G U I D E
Eleventh Edition (Exams 220-1101 & 220-1102)
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ABOUT THE SERIES EDITOR
Michael Meyers is the industry’s leading authority on CompTIA A+ and CompTIA
Network+ certifications. He was the president and co-founder of Total Seminars, LLC, a
major provider of computer and network repair curriculum and seminars for thousands
of organizations throughout the world, and a member of CompTIA. Today, Mike works
as Vice President of marketing for National Cyber Group (www.nationalcyber.com).
Mike has written numerous popular textbooks, including the best-selling Mike Meyers’
CompTIA A+ Guide to Managing and Troubleshooting PCs, Mike Meyers’ CompTIA
Network+ Guide to Managing and Troubleshooting Networks, and Mike Meyers’ CompTIA
Security+ Certification Guide, plus many more.
About the Authors
Travis A. Everett is a software developer, writer, and editor who writes open-source
software in his spare time (and occasionally blogs about it). In addition to holding an
MFA in creative writing from Old Dominion University, Travis owns exactly one-third
of an original copy of Wolfenstein 3D on floppy disk and rewatches The Matrix regularly.
Travis is CompTIA A+ certified.
Andrew Hutz may be the newest guy on the Total Seminars writing staff, but he
brings ten years of writing experience in both IT and the music industry. When not
working for Total Seminars, Andrew deals with risk management in the cybersecurity
arena, where he blogs at https://tgasec.wordpress.com. Andrew holds the CompTIA A+
and CompTIA Security+ certifications and is working toward his bachelor’s degree in
software development and security.
About the Editor in Chief
Melissa Layne, EdD, has dedicated over 25 years in the field of education in various
capacities. Roles include serving as a clinical professor teaching and developing several
pre-service teacher courses at Sam Houston State University, a director of research, AVP
for research and innovation, editor in chief for four academic journals, and founding
editor for two of those journals. She has authored over 50 peer-reviewed academic articles
and book chapters on virtual environments and online learning. Dr. Layne has also led
internships for graduate students in scholarly communications, editorial processes, peer
review, and publishing. She loves to mess around in her flower garden and spend time
with her four children and three grandchildren.
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About the Technical Editor
Mark Edward Soper has worked with computers and related technologies for over
30 years and specializes in technology education through training, writing, and public
speaking. He has authored and co-authored 40 books on technology topics ranging from
CompTIA A+ certification to Microsoft Windows, networking, and troubleshooting.
Mark has also taught these and other topics across the United States.
Mark has CompTIA A+ and Microsoft MOS – Microsoft Excel 2013 certifications,
and currently teaches Microsoft Office classes for University of Southern Indiana and
Ivy Tech Community College. Mark blogs at https://markesoper.com.
Special Mention: Michael Smyer
Our resident super-nerd Michael Smyer really stepped up to the plate in supporting the
book production and helping get Melissa Layne up to speed in record time. Many thanks
Michael—your ongoing magic with graphics combined with your jumping into the editor
slot kept the book going when we needed it most.
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ALL IN ONE
A+
TM
CompTIA

Certification
E X A M G U I D E
Eleventh Edition (Exams 220-1101 & 220-1102)
Mike Meyers,
Series Editor
Travis A. Everett
Andrew Hutz
New York Chicago San Francisco
Athens London Madrid Mexico City
Milan New Delhi Singapore Sydney Toronto
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ISBN: 978-1-26-461015-0
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To Amanda Lee Simpson
~SuperMuse
She walks in beauty, like the night
Of cloudless climes and starry skies;
And all that’s best of dark and bright
Meet in her aspect and her eyes;
Thus mellowed to that tender light
Which heaven to gaudy day denies.
~Lord Byron
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CONTENTS AT A GLANCE
Chapter 1 Safety and Professionalism ................................................ 1
Chapter 2 The Visible Computer .....................................................29
Chapter 3 CPUs ........................................................................67
Chapter 4 RAM ....................................................................... 121
Chapter 5 Firmware ................................................................. 153
Chapter 6 Motherboards ........................................................... 191
Chapter 7 Power Supplies .......................................................... 233
Chapter 8 Mass Storage Technologies ............................................. 273
Chapter 9 Implementing Mass Storage ........................................... 305
Chapter 10 Essential Peripherals .................................................... 369
Chapter 11 Installing and Upgrading Operating Systems ......................... 419
Chapter 12 Working with Operating Systems ...................................... 457
Chapter 13 Users, Groups, and Permissions ........................................ 507
Chapter 14 Maintaining and Optimizing Operating Systems ..................... 551
Chapter 15 Working with the Command-Line Interface .......................... 595
Chapter 16 Troubleshooting Operating Systems .................................. 651
Chapter 17 Display Technologies .................................................... 687
Chapter 18 Essentials of Networking ............................................... 735
Chapter 19 Local Area Networking .................................................. 769
Chapter 20 Wireless Networking .................................................... 829
Chapter 21 The Internet .............................................................. 867
Chapter 22 Virtualization ............................................................. 927
Chapter 23 Portable Computing .................................................... 959
Chapter 24 Mobile Devices ......................................................... 1005
Chapter 25 Maintaining and Securing Mobile Devices ........................... 1055
Chapter 26 Printers and Multifunction Devices ................................... 1101
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