问题 单项选择题

在电子商务交易中,如果商品的收货地址被入侵者修改,这种情况属于破坏了信息安全需求中的______。

A.机密性
B.可用性
C.完整性
D.不可抵赖性

答案

参考答案:C

解析: 电子商务交易过程中面临着诸多的威胁,从而产生了相应的电子商务安全需求,主要包括信息保密性、完整性、可用性和不可抵赖性。其中,信息保密性是指信息不被泄漏给未授权的个人、实体和过程或不被其使用的特性。对此,通常采用加密技术对所传输的信息进行防护。
信息完整性是指是信息未经授权不能进行改变的特性,即应用系统的信息在存储或传输过程中保持不被偶然或蓄意地删除、修改、伪造、乱序、重放和插入等破坏和丢失的特性。对此,一般采用数字签名、数字证书、通信安全等措施进行防护。
信息可用性是应用系统信息可被授权实体访问并按需求使用的特性,即信息服务在需要时,允许授权用户或实体使用的特性,或者是网络部分受损或需要降级使用时,仍能为授权用户提供有效服务的特性。对此,一般采用双机热备、磁盘阵列(RAID)技术等措施进行防护。
信息不可抵赖性也称为不可否认性,在应用系统的信息交互过程中,确信参与者的真实同一性,即所有参与者都不可能否认或抵赖曾经完成的操作和承诺。对此,一般采用数字签名等技术进行防护。
依题意,在电子商务交易中,如果商品的收货地址被入侵者修改,则破坏了原始信息的完整性。

单项选择题
单项选择题

The days of elderly women doing nothing but cooking huge meals on holidays are gone. Enter the Red Hat Society--a group holding the belief that old ladies should have fun.

"My grandmothers didn’ t do anything but keep house and serve everybody. They were programmed to do that," said Emily Cornette, head of a chapter of the 7-year-old Red Hat Society.

While men have long spent their time fishing and playing golf, women have sometimes seemed to become unnoticed as they age. But the generation now turning 50 is the baby boomers(生育高峰期出生的人), and the same people who refused their parents’ way of being young are now trying a new way of growing old.

If you take into consideration feminism(女权主义), a bit of spare money, and better health for most elderly, the Red Hat Society looks almost inevitable(必然的). In this society, women over 50 wear red hats and purple(紫色的) clothes, while the women under 50 wear pink hats and light purple clothing.

"The organization took the idea from a poem by Jenny Joseph that begins: When I am an old woman, I shall wear purple. With a red hat which doesn’ t go," said Ellen Cooper, who founded the Red Hat Society in 1998. When the ladies started to wear the red hats, they attracted lots of attention.

"The point of this is that we need a rest from always doing something for someone else," Cooper said, "Women feel so ashamed and sorry when they do something for themselves. " This is why chapters are discouraged from raising money or doing anything useful. "We’ re a ladies’ play group. It couldn’ t be more simple," added Cooper’ s assistant Joe Heywood.

It could be inferred from the text that members of the Red Hat Society are()

A. interested in raising money for social work

B. programmers who can plan well for their future

C. believers in equality between men and women

D. good at cooking big meals and taking care of others