important for 1st

vpn (virtual private network)

think sending a post card via the internet vs a letter in a lock box where only the sender and the receiver have the key to the lockbox so no one can read your letter

server

a computer that stores and manages information; shares info with devices whenever it is asked (like going to the library and asking for a book and the librarian gets you (serves) a book

IP (internet protocol) address

unqiue id (digital address) assigned to every device connected to the internet

how encryption works

plaintext>ciphertext>plaintext (via an algorithm or passphrase)

benefits of vpn for chrome browser

enhanced privacy, bypassing geo-restrictions, security on public wifi, access to blocked websites, preventing ISP (internet service provider) tracking, secure file sharing, avoiding bandwidth throttling

how do vpn vary

speed, server locations, and reliability