IT Support Fundamentals for IT Beginners

Define a network and explore wired and wireless media, Ethernet and fiber, LANs and WANs. Learn how devices connect, share data, and support enterprise networks and DNS services.

Learn how public and private IP addresses enable devices within a network to connect, talk, and share files, while private addresses keep traffic hidden from the outside.

Understand how DHCP automatically assigns IP addresses and how DNS maps names to those addresses on a network, making devices connect without manual configuration.

Explore how dhcp provides dynamic ip addresses and dns translates names to ip addresses, enabling seamless name resolution and domain access in Active Directory.

Practice safely replacing a faulty laptop battery by removing a dead battery and installing a matching replacement, ensuring compatibility, anti-static precautions, and proper disposal.

Enable Bluetooth and place the headset in pairing mode, then disconnect it from any other device and pair it with the phone.

Install and configure a network tap to passively capture traffic between the router and desktop, enabling monitoring and troubleshooting of congestion, security issues, and unusual data flows without interrupting network.

Replace the CMOS battery on the motherboard to fix time and BIOS issues, install a new CR2032, and verify the system clock after reseating the case.

Upgrade a desktop RAM by safely powering off, grounding, checking specs for up to 32 gb DDR3, and replacing a 16 gb RAM module with a 32 gb module.

Configure a RAID array using two hard drives to stripe data for improved performance with RAID zero, while noting no fault tolerance and the need for backups.

Enable two-factor authentication on Apple MacBook Pro systems by adding a password and biometric factor via Touch ID, using fingerprint enrollment to strengthen login security.

Configure a small business Wi‑Fi router by setting the router IP to 172.16.3.1, the network name Office Connect, and a WPA2 personal password to ensure reliable and secure internet access.

Compare domain joined machines and workgroup PCs, explaining login methods, domain vs local admin accounts, and the role of the domain server and network connectivity in authentication.

Explore a real office network walkthrough from the isp connection to the core router, switches, and data center, and learn entry-level troubleshooting, ticketing, and roles in a corporate environment.

Explore Windows 11 security and privacy settings, including Windows Security, firewall and network protection, virus and threat protection, device encryption, exploit protection, and family safety controls.

Learn practical Windows 11 performance optimization by disabling startup apps, tuning visuals and power settings, managing background tasks, cleaning disks, updating the system, and uninstalling unused programs.

Learn to optimize Windows 11 search and indexing by adjusting status, customizing search locations, and using find my files and exclude folders for faster, more precise results.

Explore Windows Defender and Windows Security features in Windows 11, including virus protection, firewall, ransomware safeguards, scans, and device protection to secure your data.

Explore how to navigate Windows 11 system settings to manage storage, review C drive usage, and control apps, temporary files, system components, and storage sense features.

learn to use remote access technologies for troubleshooting, including remote desktop via windows, powershell sessions, and secure ssl channels to fix issues without leaving the desk.

Learn to establish secure remote desktop connections and manage machines via remote desktop protocol. The lecture covers configuring remote access, enabling services, and using Windows PowerShell remote sessions.