CompTIA A+ certification all-in-one for dummies / by Glen E. Clarke, Ed Tetz, Timothy Warner.

Format:

Book

Author/Creator:

Clarke, Glen E., author.

Tetz, Edward, author.

Warner, Timothy, author.

Series:

--For dummies.

--For dummies

Language:

English

Subjects (All):

Electronic data processing personnel--Certification.

Electronic data processing personnel.

Physical Description:

1 online resource (1,363 pages).

Edition:

Fifth edition.

Place of Publication:

Hoboken, New Jersey : For dummies, [2019]

System Details:

text file

Summary:

Fully updated to cover the 2019 exam release! CompTIA's A+ certification is an essential certification to building a successful IT career. Test takers must pass both 90-question exams to be certified, and this book—plus online test bank—will help you reach your certification goal. The 9 minibooks map to the exam's objectives, and include new content on Windows 10, Scripting, Linux, and mobile devices. You’ll learn about how computers work, networking, computer repair and troubleshooting, security, permissions, and customer service. You'll also find test-taking advice and a review of the types of questions you'll see on the exam. Use the online test bank to test your knowledge and prepare for the exam Get up to speed on operating system basics Find out how to manage the operating system Discover maintenance and troubleshooting tips Inside is all the knowledge you need to pass the new A+ exam!

Contents:

Intro

Title Page

Copyright Page

Table of Contents

Introduction

About This Book

Conventions Used in This Book

Foolish Assumptions

How This Book Is Organized

Pre-Assessment

Book 1: Setting the A+ Groundwork

Book 2: Inside the Box

Book 3: Outside the Box

Book 4: Maintenance and Troubleshooting

Book 5: Operating System Basics

Book 6: Managing the Operating System

Book 7: Recovering Systems

Book 8: Networking

Book 9: Securing Systems

Appendix

Icons Used in This Book

Beyond the Book

Companion website

Online test bank

Cheat Sheet

Where to Go from Here

Book 1 Setting the A+ Groundwork

Chapter 1 The 2019 A+ Exams

CompTIA A+ Certification and Why You Need It

Checking Out the Exams and Their Objectives

The CompTIA A+ Exam 220-1001

The CompTIA A+ Exam 220-1002

Using This Book to Prepare for the Exams

Making Arrangements to Take the Exams

The Day the Earth Stood Still: Exam Day

Arriving at the exam location

Taking the exam

How does CompTIA set the pass level?

Chapter 2 A+ Best Practices

Using Troubleshooting Procedures and Good Practices

Identify the problem

Establish a theory of probable cause

Test the theory to determine cause

Establish a plan of action to resolve the problem

Verify full system functionality

Implement preventive measures

Document findings, actions, and outcomes

Implementing Change Management

Purpose of the change

Scope of the change

Risk analysis

Plan for change

Backout plan

End-user acceptance

Change Board

Document changes

Professionalism and Communication

Good communication skills

Professional behavior

Getting an A+

Prep Test

Answers

Chapter 3 Protecting Yourself and Your PC

Gathering Tools of the Trade

Hardware tools.

Software tools

Avoiding the Dreaded ESD

ESD means electrostatic discharge (not extrasensory deprivation)

Component handling and preventing ESD

Watching Out for EMI

Safety First!

Personal safety

Recognizing high-voltage equipment

Protecting computer components

Handling Toxic Waste

Batteries

CRTs

Toner kits and cartridges

Cell phones and tablets

Environmental Impacts and Appropriate Controls

Material Safety Data Sheet

Temperature and humidity controls

Power-related issues

Protection from airborne particles

Dust and debris

Exploring Ergonomics

Chapter 4 An Overview of System Components

What Is a Computer?

Looking Inside the Box

Processor/CPU

Storage devices

Memory

System boards

Power supply

Adapter cards

Cooling system and fans

Firmware and chipsets

BIOS

UEFI

CMOS

Checking Outside the Box

Cases and form factors

Input and output devices

Book 2 Inside the Box

Chapter 1 Knowing Your Motherboard

What's on the Front Panel

Finding Out What's on a Motherboard

Processor/CPU sockets

RAM slots

Cache memory

Motherboard chipset

BIOS chip

CMOS battery

Expansion slots

Ports and connectors

Power connections and types

Drive connectors

Jumpers and DIP switches

Identifying the Types of Motherboards

LPX/NLX

ATX

microATX and FlexATX

ITX

Understanding Bus Architectures

PCI

PCMCIA

AGP

PCI-X

PCI Express

AMR and CNR

miniPCI and miniPCI Express

Types of expansion cards

Performance Considerations

Chapter 2 Picking Your Processor

Understanding Processor Terminology

Processor speed

Data bus

Address bus

Registers

Cache memory.

Math co-processor

MMX

Hyperthreading

Single-core versus multicore

Virtualization support

Architecture (32-bit or 64-bit)

Integrated GPU

Execute Disable Bit

Throttling

Overclocking

VRM

Chip packaging

Identifying Socket Types

Looking at Intel Processors

Pentium

Pentium Pro

Pentium II

Celeron

Pentium III

Xeon

Pentium 4

Itanium and Itanium II

Pentium M

Intel Core 2

Intel Atom

Intel Core i3/i5/i7 processors

Don't Forget Non-Intel Chips

K6

K6-2

K6-III

Athlon

Athlon XP

Duron

Opteron

Athlon 64 and Athlon 64 X2

Phenom and Phenom II

Turion 64 and Turion 64 X2

Installing a Processor

Will it fit in the socket?

CPU voltage and transistor integration

Performing the installation

Keeping a Processor Cool

Heat sinks and CPU fans

Installing a heat sink and fan

Increasing Performance

Chapter 3 What to Remember about Memory

Understanding the Types of Memory

Remembering the purpose of memory

Read-only memory (ROM)

Random access memory (RAM)

Identifying the Types of DRAM

Synchronous DRAM

Rambus DRAM

DDR

DDR2 and DDR3

DDR4

Viewing memory type with CPU-Z

How Would You Like Your Chips Packaged?

DIMMs

SODIMM

MicroDIMM

Understanding Error-Checking Memory

Parity versus nonparity

ECC versus non-ECC memory

Multichannel Memory Architecture

Dual channel

Triple and quadruple channel

Single-Sided versus Double-Sided Memory

Buffered versus Unbuffered Memory

Working with Cache Memory

L1 cache

L2 cache

L3 cache

Viewing cache memory with CPU-Z

Installing or Upgrading Memory

Type of memory

Speed

Connectors

Using parity or nonparity?

RAM compatibility

Installing memory on desktop PCs.

Installing memory on laptop systems

Chapter 4 Telling Your BIOS from Your CMOS

BIOS versus CMOS

Upgrading the System BIOS/UEFI

Performing BIOS upgrades/firmware updates

Potential issues with BIOS upgrading

Understanding CMOS

Viewing Basic Interface Settings

Hard drive

Optical drive

Floppy disk drive

Memory/RAM

CPU and clock speeds

Parallel port

Serial ports

Date and time

Boot sequence/boot options

BIOS security features

Plug and Play BIOS

Viewing Advanced CMOS Settings

Globally unique identifier (GUID)

BIOS date and revision number

Universal Serial Bus (USB)

Built-in network adapter

Virus protection

Onboard cache

Built-in diagnostics and monitoring

AHCI settings

Reserve resources

Chapter 5 Working with Storage

Understanding Hard Drive Terminology

Disk geometry

Read/write process

Performance

Master Boot Record

Troubleshooting MBR disks

Discovering IDE Devices

IDE overview

Installing IDE devices

Learning How SCSI Works

SCSI overview

Installing SCSI devices

Understanding Serial ATA

eSATA drives

A Quick Tour of RAID

RAID 0

RAID 1

RAID 5

RAID 10

Using Removable Storage

CD-ROM/CD-RW

DVD/DVD-RW

Blu-ray discs

BD-R and BD-RE

Solid state drives

External hard drives

Tape

Troubleshooting Hard Drives and RAID Arrays

Chapter 6 Working with Power

Knowing the Basics of Power Terminology

Volt

Ohm

Amp

Watt

Identifying the Purpose of Power Supply Units

Identifying Power Supplies

Power Connectors

The ATX main power connector

The floppy drive connector

The peripheral connector

The 12-volt power connector.

The Serial ATA connector

The 6-pin PCIe connector and 8-pin PCIe connector

Power Supply Form Factors

Using AC Adapters

Working with UPS and Suppressors

Book 3 Outside the Box

Chapter 1 Identifying Basic Cables and Connectors

Video Cables

VGA

HDMI and Mini-HDMI

DisplayPort and Mini-DisplayPort

DVI

Audio Cables and Connectors

Multipurpose Cables

Lightning

Thunderbolt

USB

Serial Cables

Standard serial cable

Null modem cable

Serial connectors

Hard Drive Cables

IDE

SATA

SCSI

Adapters

DVI to HDMI

DVI to VGA

USB to Ethernet

Chapter 2 Installing and Configuring Input Devices

Minding Your Keys and Qs

Identifying keyboard types

Installing a keyboard

Configuring keyboards and setting accessibility options

Catching the Mouse

Types of mice

Installing a mouse

Communicating with Network Adapters

Working with network adapters

Special-purpose network adapters

Other Input Devices

Chapter 3 Installing and Configuring Output Devices

Understanding Video Adapters

Looking at the video standards

Aspect ratios

Video card features

Installing a video card

Using Your Monitor or Display

Types of displays

Evaluating display features

Configuring your display settings

Configuring multidisplay support

Troubleshooting Display Issues

Troubleshooting projectors and displays

The Sound of Computers

Types of sound cards

Installing a sound card

Configuring a sound card

Other Output Devices

Chapter 4 Managing Printers

Learning about Paper Feeder Mechanisms

Continuous form feeders

Friction feeders

Understanding Types of Printers.

Laser printers.

Notes:

Description based on print version record.

ISBN:

1-119-58109-5

OCLC:

1113899441