CompTIA A+ CertMike: Core 1 Exam 220-1101 (2023)
- CompTIA Certifications
- 650 pages
- Shared February 2025
- 104 downloads
CompTIA A+ CertMike: Core 1 Exam 220-1101 (2023) makes exam prep stress-free with structured learning.
Preview 31 of 650 pages
See the first 31 pages exactly as they appear in the document.
Page 1 Page 2 Page 3 Read page 3 as text
Table of Contents COVER WILEY BOOKS IN THE CERTMIKE SERIES TITLE PAGE COPYRIGHT DEDICATION ACKNOWLEDGMENTS ABOUT THE AUTHORS ABOUT THE TECHNICAL EDITOR INTRODUCTION THE A+ PROGRAM WHAT DOES THIS BOOK COVER? CORE 1 EXAM 220-1101 EXAM OBJECTIVES 220-1101 CERTIFICATION EXAM OBJECTIVE MAP HOW TO CONTACT THE PUBLISHER PART I: Domain 1.0: Mobile Devices CHAPTER 1: Laptop Hardware WHAT IS A LAPTOP? LAPTOP BATTERY POWER LAPTOP KEYBOARD AND SPECIAL LAPTOP KEYS LAPTOP RAM MIGRATING DATA FROM AN HDD TO AN SSD REPLACING HDDs AND SSDs WIRELESS CARDS PHYSICAL PRIVACY WITH BIOMETRICS PHYSICAL PRIVACY WITH NEAR-FIELD SCANNERS CHAPTER 2: Mobile Device Displays MOBILE DEVICE DISPLAY TYPES
Page 4 Read page 4 as text
ORGANIC LIGHT-EMITTING DIODE MOBILE DISPLAY COMPONENTS CHAPTER 3: Mobile Device Ports and Accessories CONNECTION METHODS ACCESSORIES DOCKING STATIONS PORT REPLICATOR TRACKPAD/DRAWING PAD CHAPTER 4: Mobile Device Network Connectivity and Application Support WIRELESS/CELLULAR DATA NETWORK (ENABLE/DISABLE) BLUETOOTH LOCATION SERVICES MOBILE DEVICE MANAGEMENT/MOBILE APPLICATION MANAGEMENT MOBILE DEVICE SYNCHRONIZATION PART II: Domain 2.0: Networking CHAPTER 5: TCP/IP Networking WHAT IS TCP/IP? TCP VS. UDP CHAPTER 6: TCP/IP Ports and Protocols WHAT ARE PORTS? PORTS AND PROTOCOLS CHAPTER 7: Networking Hardware CABLE MODEM DIGITAL SUBSCRIBER LINE OPTICAL NETWORK TERMINAL ROUTERS SWITCHES
Page 5 Read page 5 as text
ACCESS POINTS PATCH PANEL NETWORK INTERFACE CARD FIREWALL POWER OVER ETHERNET HUB SOFTWARE-DEFINED NETWORKING CHAPTER 8: Wireless Networking Protocols FREQUENCIES CHANNELS 802.11 BLUETOOTH LONG-RANGE FIXED WIRELESS NFC RADIO-FREQUENCY IDENTIFICATION CHAPTER 9: Networked Host Services SERVER ROLES INTERNET APPLIANCES LEGACY/EMBEDDED SYSTEMS INTERNET OF THINGS DEVICES CHAPTER 10: Installing and Configuring Networks INTERNET PROTOCOL ADDRESSING CHAPTER 11: Advanced Network Configuration DNS DHCP VIRTUAL LAN VIRTUAL PRIVATE NETWORK CHAPTER 12: Internet Connection Types INTERNET CONNECTION TYPES
Page 6 Read page 6 as text
NETWORK TYPES CHAPTER 13: Networking Tools WHAT ARE NETWORK TOOLS USED FOR? CRIMPER CABLE STRIPPER WI-FI ANALYZER TONER PROBE CABLE TESTER LOOPBACK PLUG NETWORK TAP PART III: Domain 3.0: Hardware CHAPTER 14: Cables and Connectors NETWORK CABLES PERIPHERAL CABLES AND CONNECTORS VIDEO CABLES AND CONNECTORS HARD DRIVE CABLES AND CONNECTORS CHAPTER 15: Random Access Memory (RAM) RAM TYPES MEMORY CONFIGURATION CHAPTER 16: Storage Devices HARD DRIVES SSDs DRIVE CONFIGURATION REMOVABLE STORAGE CHAPTER 17: Motherboards MOTHERBOARD FORM FACTORS MOTHERBOARD CONNECTOR TYPES MOTHERBOARD COMPATIBILITY COOLING
Page 7 Read page 7 as text
CHAPTER 18: Booting, CPUs, and Expansion Cards BASIC INPUT/OUTPUT SYSTEM AND UNIFIED EXTENSIBLE FIRMWARE INTERFACE SETTINGS ENCRYPTION CPU ARCHITECTURE EXPANSION CARDS CHAPTER 19: Power Supplies INPUT 110-120 VAC VS. 220-240 VAC OUTPUT 3.3V VS. 5V VS. 12V 20-PIN TO 24-PIN MOTHERBOARD ADAPTER REDUNDANT POWER SUPPLY MODULAR POWER SUPPLY WATTAGE RATING POWER SUPPLY REPLACEMENT PROCESS CHAPTER 20: Printer and Multifunction Device Configuration PROPERLY UNBOXING A DEVICE—SETUP LOCATION CONSIDERATIONS USE APPROPRIATE DRIVERS FOR A GIVEN OS DEVICE CONNECTIVITY PUBLIC/SHARED DEVICES CONFIGURATION SETTINGS SECURITY NETWORK SCAN SERVICES AUTOMATIC DOCUMENT FEEDER/FLATBED SCANNER CHAPTER 21: Printer Consumable Replacement LASER PRINTERS INKJET PRINTERS THERMAL PRINTERS
Page 8 Read page 8 as text
IMPACT 3-D PRINTERS PART IV: Domain 4.0: Virtualization and Cloud Computing CHAPTER 22: Cloud Computing WHAT IS CLOUD COMPUTING? CLOUD DEPLOYMENT MODELS CLOUD CHARACTERISTICS CHAPTER 23: Virtualization PURPOSE OF VIRTUAL MACHINES RESOURCE REQUIREMENTS SECURITY REQUIREMENTS PART V: Domain 5.0: Hardware and Network Troubleshooting CHAPTER 24: Troubleshooting Methodology TROUBLESHOOTING METHODOLOGY CHAPTER 25: Troubleshooting Motherboards, RAM, CPU, and Power COMMON SYMPTOMS POWER-ON SELF-TEST BEEPS PROPRIETARY CRASH SCREENS (BLUE SCREEN OF DEATH/PINWHEEL) BLACK SCREEN NO POWER SLUGGISH PERFORMANCE OVERHEATING BURNING SMELL CAPACITOR SWELLING INTERMITTENT SHUTDOWN APPLICATION CRASHES GRINDING NOISE INACCURATE SYSTEM DATE/TIME
Page 9 Read page 9 as text
CHAPTER 26: Troubleshooting Storage COMMON SYMPTOMS AND SOLUTIONS CHAPTER 27: Troubleshooting Video COMMON SYMPTOMS AND SOLUTIONS CHAPTER 28: Troubleshooting Mobile Devices COMMON SYMPTOMS CHAPTER 29: Troubleshooting Printers COMMON SYMPTOMS AND SOLUTIONS CHAPTER 30: Troubleshooting Networks COMMON SYMPTOMS INDEX END USER LICENSE AGREEMENT List of Tables Chapter 4 TABLE 4.1 2G-3G-4G-5G Quick Reference Chapter 8 TABLE 8.1 Wi-Fi 1 Through Wi-Fi 6 Speeds and Frequencies Chapter 10 TABLE 10.1 Reserved Private IP Addresses by Class Chapter 12 TABLE 12.1 Residential Satellite Internet Service Provider Comparison Chapter 14 TABLE 14.1 CAT5-5e-6-6a Specifications TABLE 14.2 EIA/TIA T568A and T568B Wiring Standards TABLE 14.3 USB 3.0/3.1/3.2 Speeds and Port/Cable Types Chapter 15
Page 10 Read page 10 as text
TABLE 15.1 Common DDR3 Speeds TABLE 15.2 Common DDR4 Speeds TABLE 15.3 Common DDR5 Speeds Chapter 16 TABLE 16.1 HDD Speeds and Recommended Uses Chapter 17 TABLE 17.1 PCIe Slots and Versions Chapter 18 TABLE 18.1 Selected Recent AMD and Intel Multicore CPUs Chapter 19 TABLE 19.1 : POWER CONNECTORS AND USES Chapter 23 TABLE 23.1 Oracle VirtualBox RAM and Virtual HD Recommendations Chapter 25 TABLE 25.1 Example Beep Codes Chapter 26 TABLE 26.1 RAID Failure List of Illustrations Chapter 1 FIGURE 1.1 A typical laptop. FIGURE 1.2 A user-replaceable battery after being removed from a laptop. FIGURE 1.3 The top and bottom rows of a typical Windows laptop keyboard. Use... FIGURE 1.4 Preparing to disconnect the keyboard interface
Page 11 Read page 11 as text
cable from a typic... FIGURE 1.5 From left to right, typical DDR5, DDR4, and DDR3, SO-DIMM modules... FIGURE 1.6 Inserting an SODIMM module into place (left) and after it has bee... FIGURE 1.7 Connecting an SSD to a USB 3.x adapter cable before cloning. FIGURE 1.8 A laptop with provisions for both an M.2 SSD (left) and a 2.5-inc... FIGURE 1.9 A laptop 2.5-inch SATA drive after being detached from the SATA i... FIGURE 1.10 Removing the mounting hardware from a 2.5- inch SATA drive. FIGURE 1.11 An M.2 drive interface before installing an M.2 SSD. FIGURE 1.12 A wireless network card using the mini-PCIe interface. FIGURE 1.13 A wireless network card using the M.2 interface. Chapter 2 FIGURE 2.1 A simplified diagram of the layers in a typical LCD display. FIGURE 2.2 An LCD panel with individually serviceable components. FIGURE 2.3 This webcam can be easily replaced if it fails. FIGURE 2.4 Preparing to remove a failed inverter. Chapter 3 FIGURE 3.1 USB 3.1 Gen 1 Type-A and USB Type-C ports. FIGURE 3.2 This 2015 MacBook Air's USB ports support USB 3.0 (5Gbps) but are...
Page 12 Read page 12 as text
FIGURE 3.3 MiniUSB and MicroUSB ports for USB 2.0 connections compared to a ... FIGURE 3.4 MiniUSB and MicroUSB cables for USB 2.0 connections compared to a... FIGURE 3.5 USB Type-A to USB-C and USB Type-A to Lightning cables for mobile... FIGURE 3.6 The Bluetooth menu on a typical Windows laptop. FIGURE 3.7 Preparing to share Wi-Fi via the Windows Mobile Hotspot dialog. FIGURE 3.8 Configuring shortcuts for a touch pen in Windows 10 and Windows 1... FIGURE 3.9 Comparing laptop headset, microphone, and headphone cables, jacks... FIGURE 3.10 A variety of docking stations made for PCs (top/middle) and Macs... FIGURE 3.11 A Wacom drawing pad suitable for use with both laptops and deskt... Chapter 4 FIGURE 4.1 Normal (left) versus Airplane mode (right) on a typical Android s... FIGURE 4.2 Normal mode (left) on a typical iPhone (iOS) smartphone versus Ai... FIGURE 4.3 Typical hotspot settings for an Android smartphone. Tap Configure... FIGURE 4.4 Pairing with a Merkury speaker on iPadOS. (Source: Apple Inc.) FIGURE 4.5 Pairing with a keyboard on Android. (Source: Apple Inc.) FIGURE 4.6 Android location services when turned on (left) and off (right).(...
Page 13 Read page 13 as text
FIGURE 4.7 Android location services when turned on (left) and off (right). ... FIGURE 4.8 iOS location services (left) and adjusting location access for a ... FIGURE 4.9 Using Microsoft 365 to check the edit history of a document (left... FIGURE 4.10 Configuring iCloud on an iPad. (Source: Apple Inc.) Chapter 5 FIGURE 5.1 A bank website using HTTPS. Chapter 7 FIGURE 7.1 Front (left) and rear (right) views of a cable modem with VoIP su... FIGURE 7.2 Front (top) and rear (bottom) views of a typical DSL modem with i... FIGURE 7.3 A typical ONT connected to a home network. FIGURE 7.4 A typical wireless router. FIGURE 7.5 A managed switch that also supports SPF modules. FIGURE 7.6 A typical unmanaged Gigabit Ethernet switch. FIGURE 7.7 Typical front (top) and rear (bottom) views of RJ-45 Ethernet pat... FIGURE 7.8 Device Manager listing two Ethernet NICs and a Wi-Fi NIC connecte... FIGURE 7.9 Typical dual-homed NIC that connects to two networks for redundan... FIGURE 7.10 A typical SOHO firewall dialog. FIGURE 7.11 Typical 12 watt PoE injector. Chapter 8
Page 14 Read page 14 as text
FIGURE 8.1 Typical graph of Wi-Fi 2.4GHz networks showing how channels other... FIGURE 8.2 Typical graph of Wi-Fi 5GHz networks showing how more channels he... FIGURE 8.3 Enabling Bluetooth on a Windows 11 laptop. FIGURE 8.4 Selecting Bluetooth as the type of device, and then select the de... FIGURE 8.5 Typical antennas used by wireless Internet service providers. Chapter 9 FIGURE 9.1 Preparing to view properties for an Ethernet adapter in Windows 1... FIGURE 9.2 Entering the Google IP v4 DNS server addresses. FIGURE 9.3 Using the Google IP v4 DNS server addresses in Windows 11. FIGURE 9.4 A Print Management dialog from a Windows Pro computer. FIGURE 9.5 Configuring Windows IIS in Windows 10 Pro. FIGURE 9.6 Configuring a manual proxy server in Windows 10. Chapter 10 FIGURE 10.1 Class A, B, and C net ID and host ID comparison. FIGURE 10.2 Using an online calculator to find out desired subnet values. FIGURE 10.3 Seeing your public IP address with myexternalIP.com . FIGURE 10.4 The components of an anycast networked IPv6 address. FIGURE 10.5 A Wi-Fi network adapter with both IPv4 and
Page 15 Read page 15 as text
IPv6 link-local addre... FIGURE 10.6 Setting up a static IP address in Windows. Chapter 11 FIGURE 11.1 A typical lease obtained and lease expires report from ipconfig ... FIGURE 11.2 Adjust the size of the IP Address pool and its starting and endi... Chapter 12 FIGURE 12.1 Typical Viasat dish for geosynchronous satellite Internet servic... FIGURE 12.2 Typical WISP using a base and relay station. FIGURE 12.3 Examples of WISP long-distance directional and short-distance an... FIGURE 12.4 Typical MAN versus LAN comparison. Chapter 13 FIGURE 13.1 A crimper designed for RJ-45 and RJ-11 cable. FIGURE 13.2 Stripping the jacket off a 22 AWG UTP wire. FIGURE 13.3 Typical hand-held Wi-Fi analyzers. FIGURE 13.4 Viewing nearby 2.4GHz (left) and 5GHz (right) Wi-Fi networks wit... FIGURE 13.5 Typical toner probe. FIGURE 13.6 A typical cable tester preparing to test a short Ethernet cable. FIGURE 13.7 A typical RJ-45 loopback plug. FIGURE 13.8 A typical network TAP. Chapter 14 FIGURE 14.1 TP cable (top) and coaxial cable (bottom). FIGURE 14.2 CAT5e (top) and CAT6 (bottom) cable labels.
Page 16 Read page 16 as text
FIGURE 14.3 EIA/TIA T568B and T568A wire pairings and an assembled UTP cable... FIGURE 14.4 UTP versus STP cable. FIGURE 14.5 UTP and STP connectors. FIGURE 14.6 Inserting wire pairs into a punchdown connector with a punchdown... FIGURE 14.7 A typical RJ45 cable with protective wings over its locking tab ... FIGURE 14.8 RG6 coax cable connector and interior. FIGURE 14.9 Bidirectional fiber-optic cables. FIGURE 14.10 USB 2.0 Type-A and Type-B cables, USB 3.0/3.1/3.2 Type-A and Ty... FIGURE 14.11 USB 2.0, 3.0, and 3.1 Gen 2 Type-A ports and a USB 3.1 Gen 2 Ty... FIGURE 14.12 USB 2.0 and USB 3.0 Type-B ports. FIGURE 14.13 DB9F RS-232 serial cable with thumbscrews and DB9M RS-232 seria... FIGURE 14.14 Thunderbolt 1/2 cable (left) compared to a USB Type-C (same for... FIGURE 14.15 VGA cable. FIGURE 14.16 Two graphics cards with DVI, HDMI, VGA, and other ports. FIGURE 14.17 HDMI and DisplayPort cable variations. FIGURE 14.18 HDMI and DP ports on a typical 3D graphics card. FIGURE 14.19 mDP ports on a typical 3D graphics card. FIGURE 14.20 SATA data and power cables and drive connectors. FIGURE 14.21 SATA and eSATA cables.
Page 17 Read page 17 as text
FIGURE 14.22 Installed IDE cable (top) and IDE port (bottom). FIGURE 14.23 IDE drive with an 80-wire data cable, configuration jumpers, an... FIGURE 14.24 SCSI 50-pin and 68-pin ribbon cables for internal drives. Chapter 15 FIGURE 15.1 Installing a DDR4 DIMM on a motherboard. FIGURE 15.2 A typical DDR4 SODIMM (top) compared to a DDR DIMM (bottom). FIGURE 15.3 A typical DDR3 DIMM (top) compared to a DDR4 DIMM (bottom). FIGURE 15.4 A typical DDR5 DIMM (top) compared to a DDR5 SODIMM (bottom). FIGURE 15.5 A pair of identical DIMMs installed on a DDR4 motherboard. FIGURE 15.6 Use identical modules in memory slots A2 and B2 for dual-channel... Chapter 16 FIGURE 16.1 A typical 3.5-in HDD with its top cover removed. FIGURE 16.2 Typical SATA drives in order by size, smallest to largest dimens... FIGURE 16.3 A typical 3.5-inch HDD mounted in a drive cage. FIGURE 16.4 Pulling the SATA drive away from the laptop's SATA connector bef... FIGURE 16.5 Pulling the replacement SATA drive into the laptop's SATA connec... FIGURE 16.6 M.2 SSD drive compared with an M.2 wireless
Page 18 Read page 18 as text
card. FIGURE 16.7 These M.2 NVMe drives (center and bottom) use the M key connecto... FIGURE 16.8 A RAID 1 (mirrored) array configured on a system using an Intel ... FIGURE 16.9 Inside the shell of a typical 64GB flash drive. FIGURE 16.10 SD and microSD cards and adapters with different speed markings... FIGURE 16.11 Typical SATA optical drive installed in a 5.25- inch drive bay.... Chapter 17 FIGURE 17.1 Typical ATX motherboard (left) and microATX motherboard (right). FIGURE 17.2 Typical ATX port cluster (top) and microATX port cluster (bottom... FIGURE 17.3 A typical mini-ITX motherboard optimized for home theater uses.... FIGURE 17.4 PCI card and PCI slots compared to PCIe ×16 and ×1 slots.... FIGURE 17.5 24-pin ATX (left) and 8-pin EPS12V (right) power connectors comp... FIGURE 17.6 Front-mounted (left) and top-mounted SATA ports from two differe... FIGURE 17.7 eSATA port (left inset), USB 3.0 port (right inset), and SATA-eS... FIGURE 17.8 Typical headers for USB 2.0, USB 3.0, and front-panel cables. FIGURE 17.9 Typical headers for four-pin CPU fan (left) and three-pin system... FIGURE 17.10 Removing the cover over an M.2 slot in
Page 19 Read page 19 as text
preparation for installi... FIGURE 17.11 Installing an AMD PGA processor. FIGURE 17.12 Installing an Intel LGA processor. FIGURE 17.13 A late-model Dell touch-screen laptop motherboard. FIGURE 17.14 Top and bottom views of an AMD heat sink fan (left) and an Inte... FIGURE 17.15 A typical PCIe video card with two fans for cooling the GPU and... Chapter 18 FIGURE 18.1 When the full-screen logo option is disabled in BIOS/UEFI firmwa... FIGURE 18.2 Boot options menu. FIGURE 18.3 Enabling or disabling individual USB ports is an option availabl... FIGURE 18.4 USB Legacy mode and XHCI Hand Off BIOS/UEFI settings. FIGURE 18.5 AMD fTPM before and after being enabled. FIGURE 18.6 CPU and Chassis fan displays on a typical desktop computer; the ... FIGURE 18.7 A system with three passwords that can be enabled in BIOS/UEFI s... FIGURE 18.8 An AMD system with TPM 2.0 enabled as reported by Security proce... FIGURE 18.9 Onboard sound before being disabled. FIGURE 18.10 Disabled onboard video. FIGURE 18.11 Preparing to disable onboard NIC. Chapter 19 FIGURE 19.1 A power supply with a manual voltage switch.
Page 20 Read page 20 as text
FIGURE 19.2 A 24-pin ATX power cable. FIGURE 19.3 EPS12V, ATX12V, and PCIe power leads. FIGURE 19.4 Molex and SATA power leads. FIGURE 19.5 Mini (Berg) power lead. FIGURE 19.6 20 to 24-pin ATX power adapter. FIGURE 19.7 A traditional (nonmodular) power supply. FIGURE 19.8 A fully modular power supply. FIGURE 19.9 A high-quality 750-watt power supply. FIGURE 19.10 A typical PC power supply and mounting screws. FIGURE 19.11 A FIGURE 19.12 B FIGURE 19.13 C FIGURE 19.14 D Chapter 20 FIGURE 20.1 Ethernet (RJ-45) (top) and USB 2.0 (bottom) ports on a typical M... FIGURE 20.2 Wireless configuration dialogs from a typical SOHO MFD (Epson ET... FIGURE 20.3 Verifying that File And Printer Sharing and Network Discovery ar... FIGURE 20.4 Sharing a printer in Windows. FIGURE 20.5 A Microsoft OneNote for Windows 10 printer dialog. FIGURE 20.6 Additional settings (not available on all printers). FIGURE 20.7 Enabling PrintService ➣ Operational Print Logging.
Page 21 Read page 21 as text
FIGURE 20.8 A logged print job. Chapter 21 FIGURE 21.1 Pickup rollers in a typical laser printer. FIGURE 21.2 Toner cartridge in a typical printer with a separate imaging dru... FIGURE 21.3 Typical ink cartridges after installation. FIGURE 21.4 Ink levels in an inkjet printer with ink tanks. FIGURE 21.5 Carriage belt and printheads in an inkjet printer with ink tanks... FIGURE 21.6 A typical duplexing assembly after removal to clear a paper jam. FIGURE 21.7 Preparing to calibrate (align) an inkjet printer. FIGURE 21.8 The parts of a typical impact printer. Chapter 22 FIGURE 22.1 Comparing SaaS, PaaS, and IaaS cloud service categories. Chapter 23 FIGURE 23.1 A nonvirtualized system. FIGURE 23.2 Type 1 and Type 2 virtualization compared. FIGURE 23.3 Oracle VM VirtualBox configuring a VM for Windows 8.1. FIGURE 23.4 Oracle VM VirtualBox creating a VM for running macOS. FIGURE 23.5 Intel (top) and AMD (bottom) settings in typical UEFI system fir... FIGURE 23.6 Creating a dynamically allocated virtual disk image during VM cr... FIGURE 23.7 This computer supports Hyper-V virtualization.
Page 22 Read page 22 as text
FIGURE 23.8 Preparing to install Hyper-V features. FIGURE 23.9 Simplified diagram of a typical on-premises VDI environment. Chapter 24 FIGURE 24.1 CompTIA's six-step troubleshooting methodology. Chapter 25 FIGURE 25.1 A typical Windows STOP error (Blue Screen of Death). FIGURE 25.2 The macOS pinwheel. FIGURE 25.3 A properly installed chassis power switch. FIGURE 25.4 Installing a drive bay fan in a typical desktop computer. FIGURE 25.5 An extremely dirty system with virtually no airflow. FIGURE 25.6 HWMonitor displays temperature, voltages, and fan speed for the ... FIGURE 25.7 A typical liquid cooling kit for Intel or AMD processors. FIGURE 25.8 A standard DDR4 DIMM (top) compared to a high-performance model ... FIGURE 25.9 Leaking, swollen capacitors compared to intact capacitors. FIGURE 25.10 The Compatibility tab for an app in Windows can be used to help... FIGURE 25.11 Replace the RTC battery on a desktop or laptop to solve a probl... Chapter 26 FIGURE 26.1 A typical motherboard's drive activity (HDD) LED and power LED c...
Page 23 Read page 23 as text
FIGURE 26.2 Correctly installed front-panel LED and other cables. FIGURE 26.3 A data drive reaching 100 percent active time during complex fil... FIGURE 26.4 This system drive needs to free up about 75GB more space. FIGURE 26.5 Windows Boot Manager is the default boot drive on a Windows syst... FIGURE 26.6 A physical drive is the default boot drive on systems running Li... FIGURE 26.7 SMART data from a Western Digital SATA drive indicates no issues... FIGURE 26.8 CrystalDiskMark IOPS test of a 5400rpm SATA drive. FIGURE 26.9 CrystalDiskMark IOPS test of a typical SATA SSD drive. FIGURE 26.10 Disk Management shows both partitions and assigned drive letter... Chapter 27 FIGURE 27.1 Selecting the correct data source. FIGURE 27.2 This display is set to use the recommended resolution. FIGURE 27.3 Using JScreenFix to try to repair a stuck or dead pixel. FIGURE 27.4 A PCIe video card being removed from its expansion slot. When pr... FIGURE 27.5 Reconnecting the PCIe power cable to a PCIe video card. FIGURE 27.6 The Cool preset color mode on a Dell display. FIGURE 27.7 Previewing the Warm preset color mode on a
Page 24 Read page 24 as text
Dell display; note th... FIGURE 27.8 A three-ring (combined microphone/speaker or headset) jack at le... Chapter 28 FIGURE 28.1 Using the battery and device maintenance menu on a Samsung Andro... FIGURE 28.2 Using the Touchpad menu on Windows 11 to reduce touchpad sensiti... FIGURE 28.3 Preparing to calibrate a touch screen or touchpad in Windows wit... FIGURE 28.4 Calibrating an Android touch screen with the Touchscreen Calibra... Chapter 30 FIGURE 30.1 Examining the current setting for IPv4 LSO. FIGURE 30.2 Selecting QoS settings suitable for VoIP and media streaming in ... FIGURE 30.3 Preparing to manually enter preferred DNS servers.
Page 25 Page 26 Page 27 Read page 27 as text
WILEY BOOKS IN THE CERTMIKE SERIES CompTIA ITF+ CertMike: Prepare. Practice. Pass the Test! Get Certified! Exam FC0-U61 by Mike Chapple (ISBN 9781119897811) CompTIA A+ CertMike: Prepare. Practice. Pass the Test! Get Certified! Core 1 Exam 220- 1101 by Mike Chapple and Mark Soper (ISBN 9781119898092) CompTIA A+ CertMike: Prepare. Practice. Pass the Test! Get Certified! Core 2 Exam 220- 1102 by Mike Chapple and Mark Soper (ISBN 9781119898122) CompTIA Network+ CertMike: Prepare.
Page 28 Read page 28 as text
Practice. Pass the Test! Get Certified! Exam N10-008 by Mike Chapple and Craig Zacker (ISBN 9781119898153)
Page 29 Read page 29 as text
CompTIA ® A+ ® CertMike Prepare. Practice. Pass the Test! Get Certified! Core 1 Exam 220-1101 Mike Chapple Mark Soper
Page 30 Read page 30 as text
Copyright © 2023 by John Wiley & Sons, Inc. All rights reserved. Published by John Wiley & Sons, Inc., Hoboken, New Jersey. Published simultaneously in Canada and the United Kingdom. ISBN: 978-1-119-89809-2 ISBN: 978-1-119-89811-5 (ebk.) ISBN: 978-1-119-89810-8 (ebk.) No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning, or otherwise, except as permitted under Section 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, Inc., 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 750-4470, or on the web at www.copyright.com . Requests to the Publisher for permission should be addressed to the Permissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030, (201) 748-6011, fax (201) 748-6008, or online at www.wiley.com/go/permission . Trademarks: WILEY, Wiley logo, and the Sybex logo are trademarks or registered trademarks of John Wiley & Sons, Inc. and/or its affiliates, in the United States and other countries, and may not be used without written permission. CompTIA and A+ are registered trademarks of CompTIA, Inc. All other trademarks are the property of their respective owners. John Wiley & Sons, Inc. is not associated with any product or vendor mentioned in this book. Limit of Liability/Disclaimer of Warranty: While the publisher and authors have used their best efforts in preparing this book, they make no representations or warranties with respect to the accuracy or completeness of the contents of this book and specifically disclaim any implied warranties of merchantability or fitness for a particular purpose. No warranty may be created or extended by sales representatives or written sales materials. The advice and strategies contained herein may not be suitable for your situation. You should consult with a professional where appropriate. Further, readers should be aware that websites listed in this work may have changed or disappeared between when this work was written and when it is read. Neither the publisher nor authors shall be liable for any loss of profit or any other commercial damages, including but not limited to special, incidental, consequential, or other damages. For general information on our other products and services or for technical support, please contact our Customer Care Department within the United States at (800) 762-2974, outside the United States at (317) 572-3993 or fax (317) 572-4002. Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic formats. For more information about Wiley products, visit our web site at www.wiley.com . Library of Congress Control Number: 2022941414 Cover design: Wiley
Page 31 Read page 31 as text
To my Aunt Jane, who has given so generously to me my entire life. I owe you more than I can ever express. Thank you . — Mark Soper
619 more pages in the full document
Unlock it once and it stays in your library, ready to chat with or turn into flashcards.
Unlock the full documentMore CompTIA Certifications study materials
See all
Certification GuidesCompTIA Cloud+ CV0-003 Exam Cram (2021)
CompTIA Certifications
434 pages156downloadsFeb 2025
Certification GuidesCompTIA Security+ SY0-601 Exam Certification Bundle, 4th Edition (2021)
CompTIA Certifications
1897 pages152downloadsFeb 2025
Certification GuidesCompTIA Security+ All-in-One SY0-601 Exam Guide, 6th Edition (2021)
CompTIA Certifications
1093 pages144downloadsFeb 2025
Certification GuidesComptia Security+ Practice Tests : exam sy0-601, 2nd Edition (2021)
CompTIA Certifications
339 pages144downloadsFeb 2025
Certification GuidesCompTIA ITF+ CertMike: Exam FC0-U61 (2023)
CompTIA Certifications
464 pages144downloadsFeb 2025
Certification GuidesCompTIA Server+ SK0-005 Certification All-in-One Exam Guide, 2nd Edition (2021)
CompTIA Certifications
628 pages144downloadsFeb 2025
Certification GuidesCompTIA Network+ N10-008 Exam Cram (2021)
CompTIA Certifications
654 pages143downloadsFeb 2025
Certification GuidesCompTIA Security+ Certification Study Guide Exam SY0-601 (2022)
CompTIA Certifications
1024 pages134downloadsFeb 2025
Study this document with CramX
Once it is in your library, every tool can work from it.

