Today, firewalls are vital for computer network security. They guard against cyber threats by managing internet traffic. Based on preset security rules, they check data that enters or leaves. Designed in the internet’s early phase, firewalls have advanced to meet new challenges. Firewalls protect crucial data and ensure our online privacy. As cyber attacks become…
The TCP/IP protocol suite is at the heart of how computers talk to each other today. It began in the 1960s, created by the Department of Defense. It’s built on four key layers: Link, Internet, Transport, and Application. The suite focuses on reliable data transfer (TCP) and data packet routing (IP). This piece explores how…
In computer networks, the role of frequency is crucial. It helps define how data is transmitted effectively. Frequency affects speed, reliability, and how far a signal can travel. Measured in Hertz (Hz), frequency shows how often something happens. For modern networks, this knowledge is key. It touches on everything from wireless systems to network performance….
