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With hundreds of millions of electronic()taking place daily, businesses and organizations have a strong incentive to protect the()of the data exchanged in this manner, and to positively ensure the()of those involved in the transactions. This has led to an industry-wide quest for better, more secure methods for controlling IT operations, and for deploying strong security mechanisms deeply and broadly throughout networked infrastructures and client devices. One of the more successful concepts to engage the imaginations of the security community has been the development of standards-based security()that can be incorporated in the hardware design of client computers. The principle of encapsulating core security capabilities in()and integrating security provisions at the deepest levels of the machine operation has significant benefits for both users and those responsible for securing IT operations. With hundreds of millions of electronic()taking place daily.

A. devices
B. transactions
C. communications
D. businesses

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下列句子中,表述最为准确的一项是()。

A. 一盏灯甚或几盏灯的微光固然不能照彻黑暗,可是它也会给寒夜里一些不眠的人带来一点勇气,一点温暖
B. 几盏灯甚或一盏灯的微光固然不能照彻黑暗,可是它也会给寒夜里一些不眠的人带来一点勇气,一点温暖
C. 一盏灯甚或几盏灯的微光固然不能照彻黑暗,可是它也会给一些寒夜里不眠的人带来一点勇气,一点温暖
D. 几盏灯甚或一盏灯的微光固然不能照彻黑暗,可是它也会给一些寒夜里不眠的人带来一点勇气,一点温暖

With hundreds of millions of electronic()taking place daily, businesses and organizations have a strong incentive to protect the()of the data exchanged in this manner, and to positively ensure the()of those involved in the transactions. This has led to an industry-wide quest for better, more secure methods for controlling IT operations, and for deploying strong security mechanisms deeply and broadly throughout networked infrastructures and client devices. One of the more successful concepts to engage the imaginations of the security community has been the development of standards-based security()that can be incorporated in the hardware design of client computers. The principle of encapsulating core security capabilities in()and integrating security provisions at the deepest levels of the machine operation has significant benefits for both users and those responsible for securing IT operations. One of the more successful concepts to engage the imaginations of the security community has been the development of standards-based security()that can be incorporated in the hardware design of client computers.

A. appliances
B. chips
C. tools
D. means

SOX is an alternative()for XML. It is useful for reading and creating XML content in a()editor. It is then easily transformed into proper XML. SOX was created because developers can spend a great deal of time with raw XML. For many of us, the popular XML()have not reached a point where their tree views, tables and forms can completely substitute for the underlying()language. This is not surprising when one considers that developers still use a text view, albeit enhanced, for editing other languages such as Java. SOX uses()to represent the structure of an XML document,which eliminates the need for closing tags and a number of quoting devices. The result is surprisingly clear. It is useful for reading and creating XML content in a()editor.

A. graphic
B. program
C. command
D. text

设有员工实体Employee(employeeID,name,sex,age,tel,departID),其中employeeID为员工号,name为员工姓名,sex为员工性别,age为员工年龄,tel为员工电话,记录该员工的手机号码、办公室电话等,departID为员工所在部门号,参照另一部门实体Department的主码departID。Employee实体中存在派生属性();Employee实体中还存在多值属性();对属性departID的约束是()。 Employee实体中还存在多值属性()

A. name,可以用employeeID 可以区别
B. sex,可以不作任何处理
C. tel,可以将tel 加上employeeID 独立为一个实体
D. tel,可以强制只记录一个电话号码

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