Scrambling data so it can only be read with a special key. A must for sensitive info.

Proving a user’s or device’s identity, usually with a username and password.

An extra login step beyond a password, like a code from an app. Enable it wherever you can!

Variation in latency. Too much can cause choppy audio and laggy video.

The percentage of data packets that get lost in transit. Can noticeably degrade voice and video quality.

The actual amount of data that gets sent over a connection in a given time. Less than bandwidth due to overhead.

How long it takes data to get from source to destination. Lower latency means snappier connections.

A Virtual LAN. Partitions a physical network into separate virtual networks for improved management and security.

Quality of Service. Prioritizes certain types of network traffic, like voice or video, for a smoother experience.

The Domain Name System. Translates human-friendly domain names like google.com into IP addresses.