p12: __________ protects data from the outside world.
A: A switch
B: A firewall
C: A router
D: A network interface card
A: A switch
B: A firewall
C: A router
D: A network interface card
举一反三
- A （）system placed between the company network and the outside world may limit outside access to the internal network. A: firewall B: modem C: gateway D: key
- 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
- Network Interface Card:____________ .
- 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
- A (_____) system placed between the company network and the outside world may limit outside access to the internal network ．