Why do we use external stylesheets instead of inline or embedded styles?
Cascading external stylesheets (CSS) are used instead of inline and embedded styles to keep things clean. It eliminates the clutter of code in an html file and keeps everything together and neat.
What is the difference between SSH and FTP and why do we use each?
SSH (Secure Shell) is an internet protocol that lets you remotely connect to another computer or network and let you work on it as though you were in right in front of it. FTP (File Transfer Protocol) lets you remotely transfer files between different computers and networks.