（）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
A: The Internet protocol
B: The firewall
C: The anti-virus software
D: The intrusion-detection systems
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
- Anti-Virus software protects your computer from viruses by ( ) your computer's memory and disk devices.
- "The Internet is just like a bridge of communicating between people.""People all over the world can be gathered together through the Internet.""The Internet is wonderful, many people are addicted to it. They almost play computer games everyday."These three sentences are used to show the benefits brought by the Internet.
- 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
- You canfree and shared software onto your computer from the internet. A: get B: pay C: download D: save