● Firewall is a ___(74)___ mechanism used by organizations to protect their LANs from Internet.

试卷相关题目

• 1● A Web ___(73)___ is one of many software applications that function as the interface between a user and the Internet.

  A.display

  B.browser

  C.window

  D.view

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• 2● ___(72)___ is the conscious effort to make all jobs similar, routine, and interchangeable.

  A.WWW

  B.Informatization

  C.Computerization

  D.Standardization

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• 3● Each program module is compiled separately and the resulting ___(71)___ files are linked ether to make an executable application.

  A.assembler

  B.source

  C.library

  D.object

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• 4● An ___(70)___ statement can perform a calculation and store the result in a variable so that it can be used later.

  A.executable

  B.input

  C.output

  D.assignment

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• 5● In C language, ___(69)___ are used to create variables and are grouped at the top of a gram block.

  A.declarations

  B.dimensions

  C.comments

  D.descriptions

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• 6● A query is used to search through the database to locate a particular record or records,which conform to specified ___(75)___

  A.criteria

  B.standards

  C.methods

  D.conditions

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