VPN, DNS, DHCP, and NAT Basics

A VPN creates a secure, encrypted connection between your device and a remote server.

It protects your data on public Wi-Fi and lets you access restricted content. By routing your

traffic through a secure server, a VPN hides your real IP address, making it look like

you’re browsing from another location and keeping hackers away. DNS is like the

internet’s phone book. When you type a website name like google.com,

DNS converts it into an IP address, such as 172.217.10.46. Without DNS, you’d have to remember

long numbers for every website. DHCP automatically assigns IP addresses to devices on a

network. When a new device connects, DHCP gives it an address from a predefined