计算机基础 第九章（Computer foundation ninth chapters）.docVIP

计算机基础 第九章（Computer foundation ninth chapters） Computer application foundation course practice The 9 chapter is information security and social responsibility I. judgment questions 1., in accordance with international practice, non genuine software can be used for production and commercial purposes. () V * 2., the best way to data security is to backup data at any time. () V * 3. an effective way to prevent a floppy disk from infecting a computer virus is to set the floppy disk as a write protected state. () V * 4. LAN security measures preferred firewall technology. V * 5., the purpose of network security is to ensure that the network vendors and data exchange will not increase, modify, loss and leakage. V * 6. network security mainly includes the security of the line transmission and the security of the server. V * 7. firewall makes the internal network and Internet isolated from each other so as to protect the security of the internal network V * 8. computer viruses can only infect executable files on disk. () V * 9. use antivirus software to clear all viruses. () V * 10. computer viruses can be transmitted by e-mail. () V * 11., software and hardware technology can be used to detect and eliminate computer viruses. () V * 12. anti-virus software usually lags behind the emergence of new computer viruses. V * 13. anti virus software is always ahead of the virus, it can check and kill any kind of virus. V * 14. computers infected with computer viruses have immunity to the virus. V * 15. computer viruses can harm the health of computer users V * 16. a computer virus is a marker or a command V * 17. a computer virus is a program made by man V * 18. a computer virus is a program that travels through disks, networks, and other media and can infect other programs V * 19. a computer virus is a program that is capable of self replication and has latent, infectious, and destructive properties by means of certain media V * 20., as long as the computer installed anti-virus, an