单项选择题

通常，信息的价值与下列哪些性质紧密相关？（）Ⅰ.准确性Ⅱ.及时性Ⅲ.可靠性Ⅳ.开放性Ⅴ.完整性

A.Ⅰ、Ⅱ、Ⅲ和Ⅳ
B.Ⅱ、Ⅲ、Ⅳ和Ⅴ
C.Ⅰ、Ⅱ、Ⅲ和Ⅴ
D.Ⅰ、Ⅱ、Ⅳ和Ⅴ

<上一题 目录 下一题>
热门 试题

单项选择题
听力原文：W: Can you drop by the lab for a minute? I have some experiments running that I need to check on before dinner.M: Sure, I have plenty of time. I'd be interested to see what you are working on anyway.Q: What will they do?(15)A．Go to the lab briefly.B．Cheek on what's for dinner.C．Go running before they eat.D．See if they have plenty of work.
A.
M:
B.
Q:
C.Go
D.
B．Cheek
E.
C．Go
F.
D．See
G.
单项选择题
下列哪些条目影响分布式数据库系统的查询性能？（）Ⅰ．数据的传输量Ⅱ．不同场地之间的连接操作Ⅲ．数据的安全性Ⅳ．不同场地之间的并行操作

A.Ⅰ、Ⅱ和Ⅲ
B.Ⅰ、Ⅲ和Ⅳ
C.Ⅰ、Ⅱ和Ⅳ
D.都是
相关试题