CompTIA A+ Complete Review Guide

Core 1 Exam 220-1101 and Core 2 Exam 220-1102

Häftad, Engelska, 2022

AvTroy McMillan

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A comprehensive and efficient way to prepare for the A+ exam and succeed as a computer technician The newly revised Fifth Edition of the CompTIA A+ Complete Review Guide: Core 1 Exam 220-1101 and Core 2 Exam 220-1102 delivers essential and accessible exam prep material for the sought-after A+ certification. It offers full coverage of all of the A+ exam objectives covered on the latest Core 1 and Core 2 exams, ensuring you'll have the knowledge and skills you need to succeed on the test and in the real world. This book covers mobile devices, networking, hardware, virtualization and cloud computing, hardware and network troubleshooting, operating systems, security, software troubleshooting, and operational procedures. Its comprehensive discussions of all exam competencies will prepare you for your first role as a computer technician and let you hit the ground running. The book also offers: Accessible and easy-to-follow organization perfect for quick review and reinforcement of key topicsPractical examples and insights drawn from the real-world experience of actual computer techniciansAccess to the Sybex online test bank, with chapter review questions, full-length practice exams, hundreds of electronic flashcards, and a glossary of key termsIdeal for anyone preparing for the Core 1 and Core 2 A+ exams, CompTIA A+ Complete Review Guide: Core 1 Exam 220-1101 and Core 2 Exam 220-1102 is also perfect for all aspiring and early-career computer technicians who seek to improve their performance in the field.

Produktinformation

Utgivningsdatum2022-06-13
Mått185 x 231 x 38 mm
Vikt1 089 g
FormatHäftad
SpråkEngelska
Antal sidor672
Upplaga5
FörlagJohn Wiley & Sons Inc
ISBN9781119861072

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Nätverk och kommunikation inom Data och IT

TROY MCMILLAN holds more than 30 IT certifications including A+ and Network+. He is a Product Developer and Technical Editor for CyberVista (formerly Kaplan IT), helping individuals and organizations train on technology and prepare for technology certifications. Troy is also a full-time trainer, teaching CompTIA, Cisco, Microsoft, and Wireless classes. He authored previous editions of CompTIA A+ Complete Review Guide from Sybex.

Introduction xxiiiPart I CompTIA A+ Core 1 Exam 220- 1101 1Chapter 1 Mobile Devices 31.1 Given a scenario, install and configure laptop hardware and components 5Hardware/device replacement 5Physical privacy and security components 9Exam essentials 101.2 Compare and contrast the display components of mobile devices 10Types 11Mobile display components 13Exam essentials 141.3 Given a scenario, set up and configure accessories and ports of mobile devices 14Connection methods 15Accessories 20Exam essentials 261.4 Given a scenario, configure basic mobile- device network connectivity and application support 26Wireless/cellular data network (enable/disable) 27Bluetooth 29Location services 32Mobile device management (MDM)/mobile application management (MAM) 32Mobile device synchronization 36Exam essentials 40Review Questions 41Chapter 2 Networking 452.1 Compare and contrast Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) ports, protocols, and their purposes 50Ports and protocols 50TCP vs. UDP 53Exam essentials 542.2 Compare and contrast common networking hardware 54Routers 55Switches 55Access points 55Patch panel 56Firewall 56Power over Ethernet (PoE) 56Hub 58Cable modem 58Digital subscriber line (DSL) 58Optical network terminal (ONT) 59Network interface card (NIC) 59Software- defined networking (SDN) 60Exam essentials 612.3 Compare and contrast protocols for wireless networking 61Frequencies 61Channels 62Bluetooth 63802.11 63Long- range fixed wireless 64NFC 65Radio- frequency identification (RFID) 65Exam essentials 652.4 Summarize services provided by networked hosts 66Server roles 66Internet appliances 68Legacy/embedded systems 69Internet of Things (IoT) devices 70Exam essentials 702.5 Given a scenario, install and configure basic wired/wireless small office/home office (SOHO) networks 71Internet Protocol (IP) addressing 71Exam essentials 792.6 Compare and contrast common network configuration concepts 79DNS 79DHCP 81Virtual LAN (VLAN) 82Virtual private network (VPN) 83Exam essentials 832.7 Compare and contrast Internet connection types, network types, and their features 84Internet connection types 84Network types 85Exam essentials 872.8 Given a scenario, use networking tools 87Crimper 87Cable stripper 87WiFi analyzer 87Toner probe 88Punchdown tool 88Cable tester 88Loopback plug 89Network tap 89Exam essentials 89Review Questions 90Chapter 3 Hardware 953.1 Explain basic cable types and their connectors, features, and purposes 102Network cables 102Peripheral cables 107Video cables 108Hard drive cables 111Adapters 117Connector types 119Exam essentials 1243.2 Given a scenario, install the appropriate RAM 124RAM types 124Single- channel/Dual- channel 127Triple Channel 127Quad- channel 128Exam essentials 1283.3 Given a scenario, select and install storage devices 129Hard drives 129SSDs 131Drive configurations 132Removable storage 134Exam essentials 1393.4 Given a scenario, install and configure motherboards, central processing units (CPUs), and add- on cards 139Motherboard form factor 139Motherboard connector types 142Motherboard compatibility 148Basic Input/Output System (BIOS)/Unified Extensible Firmware Interface (UEFI) settings 153Encryption 155CPU architecture 155Expansion cards 156Cooling 159Exam essentials 1603.5 Given a scenario, install or replace the appropriate power supply 160Input 115V vs. 220V 161Output 3.3V vs. 5V vs. 12V 16120- pin to 24- pin motherboard adapter 161Redundant power supply 162Modular power supply 162Wattage rating 162Exam essentials 1633.6 Given a scenario, deploy and configure multifunction devices/printers and settings 163Properly unboxing a device – setup location considerations 163Use appropriate drivers for a given OS 164Device connectivity 164Public/shared devices 165Configuration settings 167Security 168Network scan services 169Automatic document feeder (ADF)/flatbed scanner 169Exam essentials 1703.7 Given a scenario, install and replace printer consumables 170Laser 170Inkjet 181Thermal 184Impact 186Exam essentials 188Review Questions 190Chapter 4 Virtualization and Cloud Computing 1974.1 Summarize cloud computing concepts 199Common cloud models 199Cloud characteristics 200Desktop virtualization 201Exam essentials 2014.2 Summarize aspects of client- side virtualization 202Purpose of virtual machines 202Exam essentials 205Review Questions 206Chapter 5 Hardware and Network Troubleshooting 2095.1 Given a scenario, apply the best practice methodology to resolve problems 213Always consider corporate policies, procedures, and impacts before implementing changes 2131. Identify the problem 2142. Establish a theory of probable cause (question the obvious) 2143. Test the theory to determine cause 2154. Establish a plan of action to resolve the problem and implement the solution 2155. Verify full system functionality and, if applicable, implement preventive measures 2166. Document the findings, actions, and outcomes 216Exam essentials 2165.2 Given a scenario, troubleshoot problems related to motherboards, RAM, CPU, and power 216Common symptoms 217Exam essentials 2245.3 Given a scenario, troubleshoot and diagnose problems with storage drives and RAID arrays 225Common symptoms 225Exam essentials 2285.4 Given a scenario, troubleshoot video, projector, and display issues 229Common symptoms 229Exam essentials 2325.5 Given a scenario, troubleshoot common issues with mobile devices 232Common symptoms 233Exam essentials 2375.6 Given a scenario, troubleshoot and resolve printer issues 238Common symptoms 238Exam essentials 2445.7 Given a scenario, troubleshoot problems with wired and wireless networks 244Common symptoms 244Exam essentials 247Review Questions 248Part II CompTIA A+ Core 2 Exam 220- 1102 251Chapter 6 Operating Systems 2531.1 Identify basic features of Microsoft Windows editions 263Windows 10 editions 263Windows 11 264Feature differences 264Upgrade paths 266Exam essentials 2671.2 Given a scenario, use the appropriate Microsoft command- line tool 268Navigation 268Command- line tools 271Exam essentials 2901.3 Given a scenario, use features and tools of the Microsoft Windows 10 operating system (OS) 290Task Manager 291Microsoft Management Console (MMC) snap- in 296Additional tools 312Exam essentials 3201.4 Given a scenario, use the appropriate Microsoft Windows 10 Control Panel utility 320Internet Options 320Devices and Printers 327Programs and Features 329Network and Sharing Center 331System 331Windows Defender Firewall 335Mail 335Sound 336User Accounts 337Device Manager 339Indexing Options 340Administrative Tools 340File Explorer Options 342Power Options 346Ease of Access 348Exam essentials 3491.5 Given a scenario, use the appropriate Windows settings 349Time and Language 350Update and Security 351Personalization 352Apps 355Privacy 356System 357Devices 357Network and Internet 359Gaming 361Accounts 362Exam essentials 3621.6 Given a scenario, configure Microsoft Windows networking features on a client/desktop 364Workgroup vs. domain setup 364Local OS firewall settings 368Client network configuration 369Establish network connections 370Proxy settings 371Exam essentials 3731.7 Given a scenario, apply application installation and configuration concepts 374System requirements for applications 374OS requirements for applications 375Distribution methods 376Other considerations for new applications 377Exam essentials 3781.8 Explain common OS types and their purposes 378Workstation OSs 378Cell phone/tablet OSs 379Various filesystem types 380Vendor life- cycle limitations 381Compatibility concerns between OSs 381Exam essentials 3821.9 Given a scenario, perform OS installations and upgrades in a diverse OS environment 382Boot methods 382Types of installations 384Partitioning 388Drive format 389Upgrade considerations 390Feature updates 390Exam essentials 3911.10 Identify common features and tools of the macOS/desktop OS 391Installation and uninstallation of applications 391Apple ID and corporate restrictions 392Best practices 393System Preferences 394Features 398Disk Utility 401FileVault 402Terminal 402Force Quit 403Exam essentials 4041.11 Identify common features and tools of the Linux client/desktop OS 404Common commands 404Best practices 411Tools 414Exam essentials 415Review Questions 416Chapter 7 Security 4192.1 Summarize various security measures and their purposes 427Physical security 427Physical security for staff 432Logical security 435Mobile device management (MDM) 436Active Directory 437Exam essentials 4392.2 Compare and contrast wireless security protocols and authentication methods 439Protocols and encryption 439Authentication 441Exam essentials 4422.3 Given a scenario, detect, remove, and prevent malware using the appropriate tools and methods 443Malware 443Tools and methods 449Exam essentials 4522.4 Explain common social- engineering attacks, threats, and vulnerabilities 452Social engineering 452Threats 455Vulnerabilities 458Exam essentials 4592.5 Given a scenario, manage and configure basic security settings in the Microsoft Windows OS 459Defender Antivirus 459Firewall 461Users and Groups 462Login OS Options 463NTFS vs. share permissions 464Shared files and folders 467Run as administrator vs. standard user 468BitLocker 470BitLocker To Go 470Encrypting File System (EFS) 470Exam essentials 4712.6 Given a scenario, configure a workstation to meet best practices for security 471Data- at- rest encryption 472Password best practices 472End- user best practices 473Account management 474Change default administrator’s user account/password 475Disable AutoRun 475Disable Autoplay 476Exam essentials 4762.7 Explain common methods for securing mobile and embedded devices 476Screen locks 477Remote wipes 478Locator applications 478OS updates 478Device encryption 479Remote backup applications 479Failed login attempts restrictions 479Antivirus/anti- malware 479Firewalls 480Policies and procedures 480Internet of Things (IoT) 480Exam essentials 4802.8 Given a scenario, use common data destruction and disposal methods 481Physical destruction 481Recycling or repurposing best practices 482Outsourcing concepts 484Exam essentials 4842.9 Given a scenario, configure appropriate security settings on small office/home office (SOHO) wireless and wired networks 485Home router settings 485Wireless specific 488Firewall settings 491Exam essentials 4912.10 Given a scenario, install and configure browsers and relevant security settings 492Browser download/installation 492Extensions and plug- ins 492Password managers 493Secure connections/sites – valid certificates 493Settings 493Exam essentials 496Review Questions 497Chapter 8 Software Troubleshooting 5013.1 Given a scenario, troubleshoot common Windows OS problems 505Common symptoms 505Common troubleshooting steps 510Exam essentials 5143.2 Given a scenario, troubleshoot common personal computer (PC) security issues 514Common symptoms 514Browser- related symptoms 517Exam essentials 5183.3 Given a scenario, use best practice procedures for malware removal 5181. Investigate and verify malware symptoms 5182. Quarantine infected systems 5193. Disable System Restore in Windows 5194. Remediate infected systems 5195. Schedule scans and run updates 5196. Enable System Restore and create a restore point in Windows 5207. Educate the end user 520Exam essentials 5203.4 Given a scenario, troubleshoot common mobile OS and application issues 520Common symptoms 521Exam essentials 5243.5 Given a scenario, troubleshoot common mobile OS and application security issues 524Security concerns 524Common symptoms 526Exam essentials 527Review Questions 528Chapter 9 Operational Procedures 5314.1 Given a scenario, implement best practices associated with documentation and support systems information management 538Ticketing systems 538Asset management 540Types of documents 542Knowledge base/articles 545Exam essentials 5454.2 Explain basic change- management best practices 545Documented business processes 546Change management 546Exam essentials 5484.3 Given a scenario, implement workstation backup and recovery methods 548Backup and recovery 548Backup testing 550Backup rotation schemes 550Exam essentials 5514.4 Given a scenario, use common safety procedures 552Electrostatic discharge (ESD) straps 552ESD mats 553Equipment grounding 554Proper power handling 555Proper component handling and storage 555Antistatic bags 555Compliance with government regulations 555Personal safety 555Exam essentials 5574.5 Summarize environmental impacts and local environmental controls 557Material safety data sheet (MSDS)/documentation for handling and disposal 557Temperature, humidity- level awareness, and proper ventilation 559Power surges, brownouts, and blackouts 562Exam essentials 5644.6 Explain the importance of prohibited content/activity and privacy, licensing, and policy concepts 565Incident response 565Licensing/digital rights management (DRM)/end- user license agreement (EULA) 567Regulated data 568Exam essentials 5694.7 Given a scenario, use proper communication techniques and professionalism 569Professional appearance and attire 570Use proper language and avoid jargon, acronyms, and slang, when applicable 570Maintain a positive attitude/project confidence 571Actively listen, take notes, and avoid interrupting the customer 571Be culturally sensitive 571Be on time (if late, contact the customer) 572Avoid distractions 572Dealing with difficult customers or situations 573Set and meet expectations/time line and communicate status with the customer 574Deal appropriately with customers’ confidential and private materials 575Exam essentials 5764.8 Identify the basics of scripting 576Script file types 576Use cases for scripting 577Other considerations when using scripts 578Exam essentials 5794.9 Given a scenario, use remote access technologies 579Methods/tools 579Security considerations of each access method 582Exam essentials 582Review Questions 583Appendix Answers to the Review Questions 587Chapter 1: Mobile Devices 588Chapter 2: Networking 589Chapter 3: Hardware 591Chapter 4: Virtualization and Cloud Computing 595Chapter 5: Hardware and Network Troubleshooting 596Chapter 6: Operating Systems 598Chapter 7: Security 599Chapter 8: Software Troubleshooting 602Chapter 9: Operational Procedures 603Index 607