Changes in Attitudes

Which of these ports would you expect to be used on a web server?

A) tcp/20 and tcp/21

B) tcp/80 and tcp/110

C) tcp/23 and tcp/25

D) tcp/80 and tcp/443

E) If the server is in the Southern Hemisphere, then the bits flow counter-clockwise

The answer: D) tcp/80 and tcp/443

TCP port 80 is commonly used by HTTP, and encrypted HTTP commonly uses tcp/port 443.

Want to know more? Watch “Common Ports.”

The fundamental languages used over our computer networks are a standard set of protocols that are used around the world. In this video, you’ll learn about protocols and the set of standards associated with TCP/IP. You’ll also learn the essentials of TCP/IP and how subnetting can be used to build today’s modern networks.