When an application is active on a computer, it is loaded into _____. A Hard Drive B Monitor C ROM D RAM
Which of the following takes least time to send the message ? (A) Telephone (B) Telegram (C) E-mail (D) Messenger.
What is a firewall in a network? a.It is the memory unit of a network. b.A network operating system. c.A system preventing unauthorized access to a network. d.It is a web browsing software.
Option (c). All the messages entering or leaving the network pass through the firewall. It examines each message and blocks those who don't meet the specified security criteria. Can be implemented as a hardware, software or a combination of both.