● 在设计测试用例时,__(4)__是用得最多的一种黑盒测试方法。在黑盒测试方法中, 等价类划分方法设计测试用例的步骤是:
① 根据输入条件把数目极多的输入数据划分成若干个有效等价类和若干个无效等价类;
② 设计一个测试用例,使其覆盖__(5)__尚未被覆盖的有效等价类,重复这一步,直至所有的有效等价类均被覆盖;
③ 设计一个测试用例,使其覆盖__(6)__尚未被覆盖的无效等价类,重复这一步,直至所有的无效等价类均被覆盖。
因果图方法是根据__(7)__之间的因果关系来设计测试用例的。
在实际应用中,一旦纠正了程序中的错误后,还应选择部分或全部原先已测试过的测试用例,对修改后的程序重新测试,这种测试称为__(8)__。
(4)
● Personal firewall is a technology that helps __(66)__ intruders from accessing data on your PC via the Internet or another network, by keeping __(67)__ data from entering or exiting your system.
Hackers do not just target national security organizations for __(68)__: They want your tax returns, network passwords, or bank account numbers. And you do not want the FBI kicking in your door because someone hijacked your PC to __(69)__ in the latest denial-of-service attack on the Internet. Now that “always-on” broadband connections such as cable modems and digital subscriber line are becoming more popular, home users are at risk. Fortunately, you can protect your data.
Firewalls can block __(70)__ attacks and protect your PC from outside threats.
(66)
● When we announced Java 2 Micro Edition (J2ME) a few years ago, we believed that Java had an important role to play in hand held devices. Some were __(71)__ that Java would be small enough for such limited devices.
But no __(72)__, Java for the small device is a success. J2ME has emerged strongly in the wireless market. Java's portability and extensibility have brought about rapid __(73)__ in this market.
The success of Java beyond desktop computers is significant __(74)__ developers. Java literacy is now more important than ever, as Java is used more and more to __(75)__ a whole range of new computing devices—not only wireless handsets but also personal digital assistants, cameras, automobiles, home control, and so on.
(71)
● 实施信息系统建设监理的重要目的是__(64)__。
(64)
● 在编制监理规划过程中,应首先确定__(65)__的内容,以便编写其他相关内容。
(65)
对于承包商来说,风险最大的合同计价形式为__()__合同。
● 在监理控制系统中,__(63)__子系统贯穿于项目实施全过程,并且把控制系统与外部环境联系起来。
(63)
● 实施合同中承包方必须按批准的进度计划组织开发,接受监理工程师对进度的检查和监督。如果工程实际进展与进度计划不符时,__(61)__。
(61)
● 监理工程师批准索赔的权限为__(59)__。
(59)
● 不同资质等级的监理单位在监理工程的__(60)__上是不加以区别的。
(60)
● 在编制监理规划时,有关监理措施的内容应突出__(58)__。
(58)
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