Networking terms explained
The protocol for transmitting data wirelessly over different frequency bands, including 2.4GHz and 5GHz. The letter(s) after the number indicates a specific standard that determines the frequency, speed and range. The latest standard is 802.11ac.
DHCP (Dynamic Host Configuration Protocol)
A network management tool used by routers to automatically assign unique IP addresses to each device that’s connected to a network.
DNS (Domain Name System)
A naming system which translates user-friendly domain names — such as apple.com — into their actual public IP address (220.127.116.11 in apple.com’s case), making it easier for you to browse the web. A DNS server supplies this information, acting like a ‘telephone book’ for the internet.
IPv4 and IPv6
These are different versions of the Internet Protocol (IP) standard for routing internet traffic using IP addresses. IPv4 remains the most common, but IPv6 offers a greater pool of addresses and should eventually replace it.
Public IP address
The IP address that identifies a website or your own network to the internet. Your own public IP address is allocated to you by your internet service provider. Each device on your network is then allocated a private IP address by your router.
The amount of interference affecting your device’s Wi-Fi signal due to range and other devices. The greater the noise, the more likely you’ll suffer connection or performance problems.