FAQ

Computer networks are systems that allow multiple devices to communicate and share resources. They are crucial for enabling communication, data sharing, and collaboration between devices and users in various locations.

LAN (Local Area Network) is a network that covers a small geographic area, such as a single building or campus. WAN (Wide Area Network) covers a larger geographic area, often connecting multiple LANs across cities or even continents.

Wi-Fi uses radio waves to transmit data wirelessly between devices and a router. It provides the convenience of wireless connectivity, allowing devices to connect to the internet and network without the need for physical cables.

Common network security threats include malware, phishing attacks, and unauthorized access. Preventative measures include using strong passwords, keeping software updated, implementing firewalls, and educating users about safe internet practices.

The latest Wi-Fi standard is Wi-Fi 6 (802.11ax), which offers faster speeds, increased capacity, and improved performance in high-density environments compared to its predecessors. It introduces technologies like OFDMA and MU-MIMO to enhance efficiency and reliability of wireless connections.