What does URL stand for?
AnswerUniform Resource Locator
A URL is a web address.
Tech · Facts & stats
Tech facts & stats
7 fact-checked facts about the internet, networking and the tech behind the web, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
In HTTPS, what does the S stand for?
AnswerSecure
HTTPS encrypts traffic between browser and site.
Going deeper
How many bits long is an IPv4 address?
Answer32
That allows about 4.3 billion addresses.
What does DNS do?
AnswerTranslates domain names into IP addresses
DNS is often called the internet's phone book.
Who chose the @ symbol for email addresses in 1971?
AnswerRay Tomlinson
Tomlinson sent the first networked email between computers.
Expert level
How many bits long is an IPv6 address?
Answer128
IPv6 offers a vastly larger address space.
Which two engineers designed the TCP/IP protocols?
AnswerVint Cerf and Bob Kahn
Cerf and Kahn published the design in 1974.
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