
期末信息大作战
Quiz
•
Computers
•
9th - 12th Grade
•
Hard

Zoey Zhu
Used 10+ times
FREE Resource
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34 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下关于对大数据特点的叙述中不正确的是( )。
数据价值密度高
数据类型多样
数据处理速度快
数据规模大
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列文件中属于网页文件的是( )。
hello. wav
bg. jpg
index. html
jp. txt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
数据加密是保障数据安全的一种手段。数据安全包括数据本身的安全和数据防护的安全,以下属于对数据本身的安全采取的措施有( )。
①数据备份 ②数据加密 ③数据脱敏 ④访问控制 ⑤异地容灾
①②③④
①②③
②③④
②③
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
关于数据安全,下列说法错误的是( )。
邮箱登录连续多次输错密码,需要输入手机验证码,目的是为了提高账号的安全性
数据安全保护是指数据不被破坏、更改、泄露或丢失
为了预防自然灾害引起的数据损坏,一般可对数据进行加密
大数据时代,数据发布多,信息传播和共享速度加快,更要注意数据的隐私保护
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
数据的重复值会导致数据分布变化
数据的缺失值会导致样本信息减少
数据的异常值增加了分析的难度
数据整理的科学与否对数据分析的影响不大
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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