题目：
With hundreds of millions of electronic (46) taking place daily, businesses and organizations have a p incentive to protect the (47) of the data exchanged in this manner, and to positively ensure the (48) 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 p 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 (49) that can be incorporated in the hardware design of client computers. The principle of encapsulating core security capabilities in (50) 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.
A. operation B. completeness C. integrity D. interchange
答案：
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参考答案：时序解析：一个网络协议至少包括三要素：①语法：用来规定信息格式规定数据及控制信息的格式、编码及信号电平等。②语义：用来说明通信双方应当怎么做，用于协调与差错处理的控制信息。③时序(定时)详...
