CompTIA Tech+ (FC0-U71)

Explore how binary, decimal, hexadecimal, and octal notational systems represent data from bits and bytes to memory addresses, rgb colors, ascii and unicode, guiding IT professionals in troubleshooting and coding.

Explore the four core computer functions: input, processing, output, and storage, and how devices like keyboards, CPUs, RAM, caches, monitors, and cloud storage work together to process data.

Explore how operating systems allocate memory and CPU, manage disks and file systems such as NTFS and EXT4, and handle processes, multitasking, drivers, and access control.

Discover how the CPU, SoC, and device types power desktops, smartphones, and embedded systems, and how architecture, 32-bit vs 64-bit data handling, and multi-core designs shape performance and power use.

Explore how LANs and WANs enable device communication using TCP/IP, DNS, and the OSI model, and learn how routers, NAT, DHCP, and MAC addresses connect networks locally and globally.

Explore how firewalls filter traffic between your LAN and the internet, and how TCP and UDP support reliable versus time-sensitive data across ports like 80, 443, 25, 110, and 143.

Master wired peripheral devices and interfaces like USB, USB-C, Thunderbolt, HDMI, DVI, and Ethernet, and learn how to install drivers and troubleshoot connections for printers, webcams, and more.

Explore wireless peripheral devices and their configurations, including Bluetooth, RF, NFC, and casting, to balance flexibility with performance in real-world IT support scenarios.

Explore display devices, video interfaces, and GPU roles, covering VGA, DVI, HDMI, and DisplayPort, plus refresh rate, resolution, adapters, and multi-monitor setups to troubleshoot and optimize visuals.

Explore how motherboard, RAM, BIOS or uEFI, power supply, GPU, NIC, and chipset work together to power, manage boot order, upgrade, and troubleshoot a computer.

Explore how to select and safely remove external storage, manage network enabled peripherals, configure drivers, use plug‑and‑play basics, and administer devices via web interfaces for reliable IT support.

Explore volatile memory like ram and non-volatile storage such as hdds, ssds, and usb flash drives, and compare storage types, capacity units, and data transfer speeds.

Explore data backup strategies, comparing file and system backups, using external hard drives, USB flash drives, and SD cards, with safe restore practices and cloud versus local storage.

Set up a SOHO wireless router, configure WAN and LAN ports, access management interface, and secure networks by changing credentials, using 802.11 standards from 802.11ac to Wi-Fi 6 with DHCP.

Secure and configure a soho wireless network by changing the default admin password, setting a unique ssid, using WPA3 (or WPA2) with AES, and updating firmware.

Compare wired Ethernet (RJ-45) and fiber options with Wi-Fi, Bluetooth, and NFC to assess speed, range, and practical use cases for home and business networks.

Compare and contrast common internet service types: dsl, cable, satellite, fiber, fixed wireless, and cellular, and understand their uses, trade-offs, and performance in real-world IT support.

Explore platform compatibility, 32-bit and 64-bit architectures, native versus ported software, and open source and proprietary licenses, with best practices for installation, removal, and avoiding piracy.

Explore core office tools—word processors, spreadsheets, presentation, and diagramming software—and compare delivery models from locally installed to network hosted and cloud-based for IT support and decisions.

Explore how AI, virtualization, and cloud technologies power modern business software, including project management tools, CRM systems, accounting software, data backup, and automation.

Explore how collaboration software, including email, real time document editing, messaging, and remote support, boosts distributed teamwork and security in cloud and on-premises delivery.

Configure and optimize browser settings to balance performance, privacy, and security. Explore caching, certificate validation, private browsing, extensions, password management with autofill, and blocking ads and scripts.

Explore how artificial intelligence powers IT professionals' workflows with chatbots, AI assistants, generative AI, AI generated code and content, and AI predictions to boost efficiency.

Explore the foundations of code, data types, and functions, and learn how variables, data types, and language types shape how software operates, memory use, and IT troubleshooting.

This lecture shows how to use Python for scripting in IT support, covering variables, strings, functions, if statements, and loops to automate tasks, troubleshoot, and improve efficiency.

Understand how databases store, organize, and safeguard data for fast retrieval, integrity, and access, including primary and foreign keys that connect multiple tables.

Explore database concepts and purpose, compare structured relational, semi-structured, and unstructured models, examine NoSQL options like key-value and document databases with SQL, DDL, DML, and data input and queries.

Explore relational database structure and how primary and foreign keys create table relationships. Understand schemas, constraints, data types, indexing, and essential SQL commands to design efficient, scalable databases.

Explore the CIA triad and core security principles—authentication (including MFA), authorization, and accounting—emphasizing PII protection, GDPR compliance, encryption, hashing, least privilege, and non-repudiation.

Secure mobile and workstation devices with multi-factor authentication, anti-malware, patching, and physical safeguards. Understand phishing, social engineering, safe browsing, and legitimate software licensing to minimize risks.

Practice password best practices by using long, complex, unique passwords, avoiding reuse, adopting password managers, and enabling multifactor authentication; change default usernames and passwords, and enforce history and expiration.

Explore common use cases for encryption, including data at rest and in transit, file and disk encryption, mobile devices, https, email encryption, vpn connections, and cloud storage.

Learn to secure small wireless networks by changing the default ssids and passwords, disabling broadcasting, using WPA2 or WPA3 with AES, and applying regular firmware updates.

Master a six-step troubleshooting methodology, identify the problem, establish theory, test it, plan and implement a fix, verify results, and document findings using ping, nslookup, and other diagnostic tools.

Master the final steps of the troubleshooting methodology by establishing a plan of action, implementing the solution, and documenting findings, lessons, and outcomes with change management and verification.

Discover the CompTIA IT Fundamentals+ course and explore core IT roles, terminology, and basics in software development, infrastructure, databases, and security to guide career decisions and exam readiness.

Explore how operating systems serve as the interface between users, software, and hardware across Windows, macOS, and Linux. Understand drivers, hardware abstraction layers, and virtualization.

Explore how Windows delivers a graphical user interface with Explorer for multitasking, file access via NTFS, drive letters, and installing software.

Discover macOS, Apple's easy, UNIX-based OS with the Aqua interface, Finder, and Spotlight; learn file systems APFS/HFS, app installation, multitasking with the Dock, and multi-user security in System Preferences.

Explore the GNU/Linux operating system - kernel to GNU tools - to understand its open-source, distribution-driven landscape for servers and desktops, including Ubuntu, Debian, and Red Hat.