It is very important that we should not in protecting computer system.
A. display our passwords for everyone to see
B. open unidentified files
C. leave computer terminals on while we are away from our desks
D. all of the above
查看答案
All electronic communications coming into and leaving the corporation must be evaluated by the.
A. passwords
B. firewall
C. gateway
D. buffer
A virus is a.
A. Program
B. computer
C. bad man
D. beast
Many viruses go resident in the memory like a.
A. exe file
B. com file
C. TSR program
D. data file
Viruses can be transmitted by.
A. Booting a PC from an infected mediu.
B. executing an infected program.
C. pirated software and shareware.
D. All of the above.
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