A．nti- virus software protects your computer from viruses by(75)your computer's memory and disk devices.

A．deleting

B．changing

C．scanning

D．replacing

[单选题]Virus Security Software is designed to detect, eliminate or quarantine computer viruses before they are able to harm a computer or server networked system.A．AntiB．InvadeC．InroadD．Aggression

[单选题]Virus Security Software is designed to detect, eliminate or quarantine computer viruses before they are able to harm a computer or server networked system.A．AntiB．InvadeC．InroadD．Aggression

[单选题]F．rom your Windows 2000 Professional computer, you need to print from a 16-bit accounting application to a network printer named Printer02. Printer02 is attached to a print server named PrtSrv. The accounting application allows you to print only to a

[单选题]F．rom your Windows 2000 Professional computer, you need to map drive G to the default administrative share on drive C of a server named AppSrv.What can you do to map the drive?A．Run thenet share C$=G:/command.B．Run thenet use G: //AppSrv/C$command.C．

[单选题]( )Virus Security Software is designed to detect， eliminate or quarantine c

1　　　　This means you can store all your digital things remotely, without taking u

[名词解释] 病毒（virus）

[单选题]Earth has an atmosphere, which protects the surface from harmful rays.A.win

[单选题]A computer virus is a computer program that is created to make and spread (72) of itself.(72) A．programsB．virusC．copiesD．files

[单选题]What is known about the influenza virus?A． It was first found in a group of very old birds.B． All the different strains can be found in wild birds.C． It existed over 100 million years ago.D． It can survive in many different places.