password is needed to stop another
person from logging into your account.
With lan you can connect to other
computer share files,music and connect
wan is lan but its wider and
bigger so you can share files
music etc. in whole world wan
also makes that you can view
sites, play games on internet.
Server is for sharing
files,programs and manage
security and logins of network you
can access the server by password.
Used to stop data
being sent or received
by the computer.
Used to scramble data being sent over a network
so that it can't be read unless you have the "key"
key is for to unscramble message code and there
is different types of codes to get message you
need to unscramble code decrypt it by a key.It's
important to encrypt you message because if you
don't any people/hackers can read your message
User access levels
Different users have
Can stop unwanted
people from accessing
the hardware. for
example a lock.