皮皮学，免费搜题
登录
搜题
【单选题】
信息安全技术是指保障网络信息安全的方法,( )是保护数据在网络传输过程中不被窃听、篡改或伪造的技术,它是信息安全的核心技术。 xh18A.
访问控制技术
B.
加密技术
C.
数字签名
D.
防火墙技术
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】which of the following is the cheapest way of travelling?
A.
travelling by train
B.
travelling by plane
C.
travelling by hichhiking
【简答题】People who like travelling have their reasons. They believe that travelling can help them expand their field of view，especially in the geographical and historical sense. They also think that touring w...
【简答题】在外文数据库检索时,遇有Fulltext链接时,说明该库可提供________。
【简答题】Modern life is impossible without travelling. The fastest way of travelling is by plane. With a modern airline you can travel in one day to places which it took a month or more to get to hundred years...
【简答题】People who like travelling have their reasons. They believe that travelling can help them expand their field of view, especially in the geographical and historical sense. They also think that touring ...
【单选题】— I think travelling by train is more comfortable than travelling by plane. —_________. In my opinion, travelling by plane is more comfortable.
A.
I agree with you
B.
I couldn’t agree more
C.
You’re right
D.
I’m afraid it isn’t
相关题目：
参考解析：
知识点：
题目纠错 0
发布
