● The  （74）  scheme in a database system is responsible for the detection of failuresand for the restoration of the database to a state that existed before the occurrence of thefailure.

试卷相关题目

• 1●  （73）  statement can perform a calculation and store the result in a variable so thatit can be used later.

  A.Assignment

  B.Control

  C.I/O

  D.Declaration

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• 2● Data items are added or deleted from the list only at the top of the  （72） .

  A.queue

  B.stack

  C.tree

  D.linear list

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• 3●  （71） means that a program written for one computer system can be compiled andrun on another system with little or no modification.

  A.Portability

  B.Reliability

  C.Availability

  D.Reusability

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• 4● POP3服务默认的TCP端口号是 （70） 。

  A.20

  B.25

  C.80

  D.110

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• 5● 在http://www.test.com/main/index.htm中，index.htm是 （69） 。

  A.协议名

  B.域名

  C.主机名

  D.页面文件

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• 6● Software  （75）  focuses on three attributes of the program: software architecture,data structure, and procedural detail.

  A.analysis

  B.design

  C.installation

  D.upgrade

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