Professor Messer's CompTIA A+ 220-901 and 220-902 Course Notes (2015)

Name: Professor Messer's CompTIA A+ 220-901 and 220-902 Course Notes (2015)
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Professor Messer's CompTIA A+ 220-901 and 220-902 Course Notes (2015) delivers all the key information you need, including topic summaries, question banks, and study tips to ace your exam.

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Professor Messer’s CompTIA 220-1101 Core 1 A+ Course Notes
Written by James “Professor” Messer
Copyright © 2022 by Messer Studios, LLC
http://www.ProfessorMesser.com
All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means,
electronic or mechanical, including photocopying, recording, or by any information storage and retrieval
system, without written permission from the publisher.
First Edition: March 2022
This is version 1.2
Trademark Acknowledgments
All product names and trademarks are the property of their respective owners,
and are in no way associated or affiliated with Messer Studios LLC.
“Professor Messer” is a registered trademark of Messer Studios LLC.
“CompTIA” and “A+” are registered trademarks of CompTIA, Inc.
Warning and Disclaimer
This book is designed to provide information about the CompTIA 220-1101 A+ certification exam.
However, there may be typographical and/or content errors. Therefore, this book should serve only as a
general guide and not as the ultimate source of subject information. The author shall have no liability or
responsibility to any person or entity regarding any loss or damage incurred, or alleged to have incurred,
directly or indirectly, by the information contained in this book.

Contents
1.0 - Mobile Devices 1
1.1 - Laptop Hardware 1
1.2 - Laptop Displays 2
1.3 - Connecting Mobile Devices 3
1.3 - Mobile Device Accessories 4
1.4 - Cellular Standards 4
1.4 - Mobile Device Connectivity 5
1.4 - Mobile Device Configurations 6
2.0 - Networking 6
2.1 - Introduction to IP 6
2.1 - Common Network Ports 7
2.2 - Network Devices 9
2.2 - Software Defined Networking 10
2.3 - Wireless Network Standards 11
2.3 - Wireless Network Technologies 12
2.4 - Network Services 13
2.5 - IPv4 and IPv6 14
2.5 - Assigning IP Addresses 15
2.6 - DNS Configuration 16
2.6 - DHCP Configuration 18
2.6 - VLANs and VPNs 19
2.7 - Internet Connection Types 20
2.8 - Network Types 21
2.8 - Network Tools 21
3.0 - Hardware 22
3.1 - Network Cables 22
3.1 - Optical Fiber 23
3.1 - 568A and 568B Colors 24
3.1 - Peripheral Cables 24
3.1 - Video Cables 26
3.1 - SATA Device Cables 27
3.1 - SCSI Device Cables 27
3.1 - PATA Drive Cables 29
3.1 - Adapters and Converters 29
3.1 - Copper Connectors 30
3.1 - Fiber Connectors 31
3.2 - An Overview of Memory 31
3.2 - Memory Technologies 33
3.3 - Storage Devices 33
3.3 - RAID 34
3.4 - Motherboard Form Factors 35

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Professor Messer's CompTIA A+ 220-901 and 220-902 Course Notes (2015)

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