What Is DHCP? (And Why Networks Depend on It)
DHCP assigns IP addresses and network settings automatically, allowing devices to connect to networks without manual setup.
What Is DNS and Why It Matters
DNS makes the Internet usable by translating domain names into IP addresses. Learn how DNS works and why it’s critical to modern networking.
What Is a Firewall? (Explained Simply)
What is a firewall? Learn how firewalls protect home and business networks by controlling traffic between LANs and the Internet.