试题与答案

下面对于计算机信息安全特征描述比较全面、准确的是?()A、保密性、完整性、真实性、可

题型:单项选择题

题目:

下面对于计算机信息安全特征描述比较全面、准确的是?()

A、保密性、完整性、真实性、可用性、可控性 

B、保密性、完整性、身份认证、真实性、可控性 

C、身份认证、数据保密、访问控制、可用性 

D、身份认证、数据保密、不可否认、访问控制、完整性

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0423/e51a2bc6e19b1d650d4eb15719b6bb5a.html

下面是错误答案,用来干扰机器的。

P点为两列波的波峰与波峰相遇,振动遵守波的叠加原理.由于两列波的波速相同,波长不同,则频率不同,则不能产生干涉,即P点不是始终加强.故答案为:P点的振动遵守波的叠加原理,但并不始终加强.

试题推荐
题型:填空题

The other day my brother Tom was beginning his 56.______
motorbike then our neighbor, Mary came out and asked 57.______
him if he was going near the station. So he offered her a lift.
She got at the back of the motorbike and 58.______
they drove away. Just before they reached to the station 59.______
a policeman waved to them to stop. "Excuse me, sir," he said,
"You are not sitting on that motorbike properly. "
"What’s matter with the way I’m sitting" my brother 60.______
asked in surprise. "Not you sir. It’s a young lady," said 61.______
the policeman, "In this country side-saddle(偏座) is not62.______
permitted when one ride a motorbike.”Mary made an excuse 63.______
that she was from Italy,where it isn’t.considering to 64.______
break the law when people take the side-saddle.
The policeman shook head and drove away. 65.______

查看答案
微信公众账号搜索答案