When the lnternet connection is less than (1)__________________people very quickly (2)_______________it is the fault of the server.However,in many cases if they just made a(3)__________________to install a firewall or an anti-virus program, they would have wasted so much bandwidth.Firewall and anti-virus programs are (4)_______________by some very clever people. Their main (5)_____________ is to provide the easiest answer to most lnternet problems .Many computers are (6)___________________ with such programs before they are sold.However,they take up a lot of bandwidth when running, which slows down the lnternet connection.