What are firewalls & how does it work to provide internet security? Firewalls are key to network security, like the dedicated bouncers of our external networks (untrusted)/our internal networks/unknowable(we trust?). Think of a firewall as one such security checkpoint at...

ROUTERS A router is a network communication device used to connect two or more logically and physically different networks. These devices are control center devices that compare the destination address information in the header of packets between networks with the...

What is a switch? A Beginner’s Guide to Networking A switch is a network device that routes data packets between devices in a network and generally optimizes data transmission in local area networks (LANs). Switches connect network segments or devices...