CompTIA A+ Core 2 Certification: Master IT Fundamentals

Explore operating system basics and the three main computer components—hardware, operating system, and applications—along with hardware examples like keyboard, monitor, disk drive, and network cards.

Explore how the operating system runs hardware and offers a graphical user interface and security. See how Windows, OS X, iOS, and Linux support applications like Word, Excel, and Outlook.

Explore 32-bit vs 64-bit processors and memory management, highlighting how 64-bit systems address more memory, run both 32- and 64-bit software, and affect performance on the A+ exam.

Explore modern security through layered controls across networking and operating systems, and compare data at rest with data in transit to understand protection of stored and moving data.

Explore how operating system security uses authentication, authorization, and auditing with users, groups, and permissions to control access to files and resources.

Practice with chapter two assessment questions and answers for the A+ 2902 exam, covering operating system functions, 32-bit vs 64-bit memory, layered security, and shared secret authentication.

Explore nine Windows installation options, including clean install, upgrade, unattended, repair, remote network, multi-boot, and image deployment, for vendor-neutral A+ Core 2 exam prep.

Discover nine Windows installation options, including remote network installations via pixie/pxe, image deployment, and recovery, refresh, and restore to tailor setups efficiently.

Learn how to boot a PC from installation media to perform a clean Windows install. Discuss boot methods, installation media, partitions, file systems, and BIOS sequence choices.

Explore partition types, including MBR, GPT, and dynamic disks, and learn how basic and dynamic disks manage primary, extended, and logical partitions.

Learn how to partition and format disks on Windows using file systems such as Fat 16, Fat 32, NTFS, exFAT, CDF, and xt4, and explore their limits and practical uses.

Navigate chapter three assessment questions on upgrading Windows 7 to 8.1, choosing clean install, reset, or upgrade, and reviewing MBR, GPT, and NTFS basics.

Explore the purpose and location of Windows administrative tools in the control panel, including computer management, device manager, local security policy, performance monitor, services, and more.

Learn to access the Windows control panel through multiple methods, switch between icon and category views, and use the search bar to open disk management and other administrative tools.

Master Windows task manager to monitor apps, processes, CPU and memory usage, and network activity; learn to open it, view running users and services, and terminate tasks.

Understand how the user account control (UAC) protects administrator privileges, prevents silent installs, and prompts for administrative permissions, and explore the four main settings to control notifications in Windows.

Understand how the device manager communicates with the Windows operating system to manage hardware devices and drivers, including updating, rolling back, enabling, disabling, and accessing it through multiple tools.

Master msconfig, the Windows system configuration utility, to troubleshoot startup processes, services, and programs using its general, boot, services, startup, and tools tabs.

Learn to use the performance monitor and resource monitor to track real-time cpu, memory, and disk utilization, log data, and set alerts, with line chart and histogram display options.

Explore the performance monitor to view real-time processor and memory metrics, add counters, and customize graphs for local and remote systems in the CompTIA A+ Core 2 demo.

Discover the ultimate Windows administrative tool, god mode, an undocumented feature accessed by creating a desktop folder named exactly 'god mode' to reveal extensive admin options.

Implement OS maintenance by applying patch management with Windows update and performing regular disk cleanup, disk maintenance, and data backups using Time Machine, file history, or Linux tools.

This chapter four assessment reviews Windows utilities and administrative tools, showing how device manager manages device drivers, disk management performs partitioning and formatting, and performance monitor captures log data.

Master the command prompt as a fast, low-resource tool for Windows, macOS, and Linux; compare text-based shells with graphical interfaces and learn basic customization.

Explore elevated permissions and user account control in Windows, learn to run the command prompt as administrator, and create shortcuts that always use administrator rights to reduce UAC prompts.

Discover how to use the command prompt's built-in help features to quickly find the right commands and switches, by typing commands followed by /? or using the help keyword.

Learn the command prompt environment and essential command line interface commands from the a-plus exam objectives, with hands-on practice, a PDF of essential commands, and using help to explore.

Understanding disk commands for the CompTIA A+ Core 2 exam: format, diskpart, and chkdsk, and how they erase disks, manage partitions, and check and repair errors.

Explore the nine directory commands in the windows command prompt, including dir for listing files, mkdir/md, rmdir, cd, copy/xcopy/robocopy, expand, and del, with hands-on practice.

Explore eight key operating system commands, including taskkill, tasklist, shutdown, sfc, gpupdate, gpresult, exit, and help, to manage processes, system files, and group policy across local and remote computers.

Assess your grasp of chapter five with exam-style questions on GUI vs command-line, shell, run as administrator, and getting help with commands to prepare for the A+ exam.

Explore the Windows registry, the store of hardware, software, and user data, and learn to navigate the registry editor, including the five main hives that organize settings.

Learn to use regedit to edit the Windows registry, back up before changes, export keys or branches, and understand hives and data types like dword and hex.

Learn how Windows services run in the background to manage networking, device recognition, and automatic configuration, and how to view, start, stop, and set startup types in the services console.

Learn to build a personalized Microsoft Management Console by adding snap-ins like Device Manager, Services, and Performance Monitor, save your custom console, and run it with administrative access.

Learn how defragmentation reorganizes data on mechanical hard disks to reduce seek time, using Windows disk defragmenter or third-party tools, while avoiding SSDs.

Understand patch management with Windows Update, including important, recommended, and optional updates, automatic background installation, and how control panel settings shape the update process.

Explore chapter six assessment with sample questions that reinforce the Microsoft Management Console as a customizable container for administrative tools, Regedit operations, disk defragmentation effects, and updates versus service packs.

Understand the distinctions between workgroups (peer-to-peer) and domains (server-based), including Active Directory, and how budget, administration, and security shape modern network design.

Understand how workgroups peer-to-peer rely on each computer for files and permissions in small offices, while server-based domains centralize shares, administration, and security for scalable networks.

Learn how Windows home groups enable easy peer-to-peer workgroup networking, share libraries by default, and securely share documents, music, pictures, and video via control panel setup and a password.

Understand how Windows classifies new network connections as home, work, or public to auto-configure firewall, encryption, and file sharing, and why public networks hide resources to reduce risk.

Explore how remote desktop protocol enables remote access to a computer as if you were there, including running applications and performing administrative tasks, and configure port 3389 in the firewall.

Learn how Windows remote assistance, built on the remote desktop protocol, lets you invite another user to view or take control of your computer for fast diagnostics and support.

Discover how Windows uses alternate IP addresses when DHCP fails, leveraging AP IP addressing with 169.254.x.x for local subnet communication. Configure an alternate IP in network properties to restore connectivity.

Reinforce your understanding of peer-to-peer and domain networks with the chapter seven assessment, and learn how public networks disable discovery and how alternate IPs work when DHCP cannot assign.

Explore how the A+ exam covers Windows, Austin, and Linux, including Mac OS X versions, Boot Camp, Finder, Spotlight, and Linux distros such as Ubuntu.

Discover backup tools from Austin and Lennox, including macOS Time Machine for local and iCloud cloud backups, and Linux options like GRsync and other open source backup applications.

Discover disk maintenance tools across OS X and Linux/Unix, using the built-in disk utility to verify, repair, and restore disks, with cautions about repairs and permissions.

Explore how the shell enables communication with the operating system, from command line interfaces like Windows command prompt and terminal to scripting with batch files and switches, for precise control.

Master essential Linux commands for the A+ core 2 exam, including ls, cd, mv, cp, rm, chmod, chown, ps, apt-get, sudo, vi, passwd, pwd, grep, ifconfig, iwconfig, and shutdown.

Master core macOS and Linux utilities covered in chapter eight, including finder for locating files, screen sharing for remote access, and time machine for backups, plus grep for pattern searches.

Identify threats and vulnerabilities to build a comprehensive security plan for computer systems, and understand malware types, password attacks, social engineering, and phishing.

Secure your organization by implementing physical access controls, asset classification, and layered measures such as man traps, id badges, privacy filters, and biometrics to prevent tailgating and unauthorized entry.

Learn to protect digital assets with antivirus and anti‑malware, firewalls, and robust authentication, including multi‑factor methods, email filtering, and encryption for data at rest and data on the move.

Prioritize user education to address the human element as the weakest security link, highlighting social engineering, knowledgeable employees, and ongoing security awareness, plan updates, and protecting data and equipment.

Explore modern computer security through the three A's—authentication, authorization, and auditing—and learn how administrator, standard, and guest accounts and groups manage permissions on Windows.

Practice password best practices by using eight-character passwords with mixed letters, numbers, and symbols, managing expiration, replacing default passwords, enabling screensaver and bios/uefi passwords, and locking the desktop when unattended.

Master user account management in Windows using the computer management utility and local policy, covering password policies, account lockout, and adopting group policy concepts for security.

Understand how Windows shares and NTFS permissions determine access to shared folders by network users, and why the most restrictive permission governs when both apply.

Understand explicit and implicit permissions, including inherited rights, in Windows, where access hinges on user or group grants and explicit denies can block access.

Use the encrypting file system (EFS) in Windows to transparently encrypt and decrypt files. Back up the certificate and keys with the certificate manager utility to decrypt when needed.

Evaluate chapter nine assessment concepts by solving questions on threats versus vulnerabilities. Explain encryption, NTFS versus share permissions, and the need to back up encryption keys for recovery.

Explore mobile security basics by implementing screen locks and passcodes, including alphanumeric, pattern, and biometric options, and learn how failed attempts trigger local wipe to protect data.

Discover how remote wipe protects data on lost or stolen mobile devices by erasing or overwriting data, restoring factory settings, or brick the device through mobile device management software suites.

Explore bring your own device (BYOD) and mobile device management (MDM) and how they balance personal and corporate data privacy, control, and security, including remote wipe considerations in enterprise environments.

Biometric authentication uses something you are or do—such as fingerprints or retinal scans—to replace or augment passwords, addressing vulnerabilities inherent in the shared secret knowledge factor.

Learn how multi-factor authentication strengthens security by combining two or more factors—knowledge, ownership, and biometrics—moving beyond single factor authentication.

Disable automatic Bluetooth pairing and require manual pairing to prevent unintended network connections and data exposure. Ensure settings guard against unauthorized access in mobile devices and car systems.

Protect data on a stolen mobile device with screen locks and local or remote wipes via mobile device management. Recognize biometric authentication as an inherent factor and Bluetooth risks.