60.A(n) ______ is hardware and/or software that protects a computer or a network from intruders.
A: Web log
B: worm
C: firewall
D: public key
A: Web log
B: worm
C: firewall
D: public key
举一反三
- A( )is a computer system or program that automatically prevents an unauthorized person from gaining access to a computer when it is connected to a network such as the Internet. A: firewall B: gateway C: router D: anti-virus software
- p12: __________ protects data from the outside world. A: A switch B: A firewall C: A router D: A network interface card
- Anti-Virus software protects your computer from viruses by ( ) your computer's memory and disk devices.
- An ISP supplies a _________ that you can dial from your computer to log on the internet server. A: public key B: private key C: service number D: help file
- （）is the first line of protect between your computer and the public Internet. A: The Internet protocol B: The firewall C: The anti-virus software D: The intrusion-detection systems