How Does BGP Work? Autonomous Systems, AS Paths, and the Policy That Routes the Internet
The decision rule, policy first, distance second. BGP picks the path each network prefers. Speed comes …
Internet
The Internet is at the core of modern life, and this category makes it simple to understand. Learn about internet services, DNS management, cloud storage, online privacy, and security tips. Each guide is written in clear, practical language so you can browse, work, and build confidently in the digital world.
How Does a Modem Work? Modulation, Channels, and the Signal Levels That Set Your Speed
Modem is short for modulator-demodulator. The name describes the whole job: the box takes digital bits …
How Does Cloud Computing Work? Data Centers, Virtualization, and the Meter Explained
A 10-megabyte file downloaded from a cloud server in under two seconds on 6 November 2026. …
How Does a Search Engine Work? Crawling, Indexing, and Ranking Explained
A page can exist, load fine in a browser, and still never show up in search …
What Are Network Ports? How One IP Address Serves Many Programs
A browser tab loads a page while a mail client checks a mailbox and a chat …
How Does Video Streaming Work? Encoding, Segments, and the Buffer That Keeps It Playing
Press play on a two-hour film and the first frame appears in a second or two. …
What Are Internet Cookies? How a Small Text File Remembers You
On 4 November 2026, a small test server sent one header to a client. The header …
What Is Ping? Latency, Jitter, and Packet Loss Explained With Real Numbers
A single ping number tells you almost nothing on its own. Read four numbers together, and …
How Does DNS over HTTPS Work? Encrypted Lookups, Port 443, and What Stays Visible
On 3 November 2026, one domain name returned two different sets of answers on the same …
How Does IPv6 Work? 128-Bit Addresses, Self-Built Devices, and Life Beside IPv4
An IPv6 address holds 128 bits. IPv4 holds 32 bits. The extra 96 bits change how …