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【多选题】
在数据库设计中，存在数据冗余，下列关于数据冗余说法正确的是（）
A.
在数据库中，数据存在副本现象，即为数据冗余
B.
通过分类存储，可以有效减少数据冗余，但会增加数据查找的复杂度
C.
在数据库设计阶段，一定要尽可能大得避免数据冗余，尽量做到数据不冗余
D.
数据冗余通常是因为数据库数据过多导致的
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【简答题】Collecting information about pre-employment and filling out an application form are closely connected, However, filling out an application form is much easier because you have total control and have e...
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【单选题】When did the major quantitative and qualitative leap occur?
A.
When work PCs were connected to each other via Local Area Networks (LANs).
B.
When work PCs were connected to each other via Internet.
C.
When people showed their interest in work PCs.
D.
When more and more businessmen noticed the potential market for work PCs.
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【单选题】Your network consists of a single Active Directory domain. The network is located on the 172.16.0.0/23  subnet.   The company hires temporary employees. You provide user accounts and computers to the ...
A.
Implement a Network Access Protection （NAP） strategy for the 172.16.0.0/23 subnet.
B.
Create an extranet domain within the same forest. Migrate the temporary employees user accounts to the extranet domain. Install the necessary domain resources on the 172.16.0.0/23 subnet.
C.
Move the temporary employees user accounts to a new organizational unit （OU）. Create a new Group Policy object （GPO） that uses an intranet Microsoft Update server. Link the new GPO tothe new OU.
D.
Create a new subnet in a perimeter network. Relocate the wireless access point to the perimeter network. Require authentication through a VPN server before allowing access to the internal resources.
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【简答题】Exercise B: Complete the following sentences with what you have remembered. 1.Generally speaking, men do one thing at a time. Women do many. Doing many things at one time is often called “1______”, a ...
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【判断题】在AE-LOG记录中，语句ATPAA069D0B0 Profibus TI-H to TSG connecte D、的意义是TI-H到TSG的PB总线连接正常，其中TI-H缩写的含义是，车辆接口控制器。
A.
正确
B.
错误
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【简答题】试简单描述亚当 . 斯密的分工理论?
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【单选题】Many students are ________ chatting online, which wastes them plenty of time.
A.
crazy about
B.
connected with
C.
worried about
D.
anxious about
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【单选题】为使新催化剂或再生后的催化剂有良好的金属活性,首先催化剂进行( )
A.
氯化氧化
B.
预硫化
C.
还原
D.
低温进油
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【判断题】充油电力电缆主绝缘直流耐压试验的加压时间为2min
A.
正确
B.
错误
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【判断题】在活动—参与教学模式中,学生自主参与数学实践活动,在活动中通过动手探索,参与实践,教师不需要干预。
A.
正确
B.
错误
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相关题目：
【简答题】Collecting information about pre-employment and filling out an application form are closely connected, However, filling out an application form is much easier because you have total control and have e...
查看完整题目与答案
【单选题】When did the major quantitative and qualitative leap occur?
A.
When work PCs were connected to each other via Local Area Networks (LANs).
B.
When work PCs were connected to each other via Internet.
C.
When people showed their interest in work PCs.
D.
When more and more businessmen noticed the potential market for work PCs.
查看完整题目与答案
【单选题】Your network consists of a single Active Directory domain. The network is located on the 172.16.0.0/23  subnet.   The company hires temporary employees. You provide user accounts and computers to the ...
A.
Implement a Network Access Protection （NAP） strategy for the 172.16.0.0/23 subnet.
B.
Create an extranet domain within the same forest. Migrate the temporary employees user accounts to the extranet domain. Install the necessary domain resources on the 172.16.0.0/23 subnet.
C.
Move the temporary employees user accounts to a new organizational unit （OU）. Create a new Group Policy object （GPO） that uses an intranet Microsoft Update server. Link the new GPO tothe new OU.
D.
Create a new subnet in a perimeter network. Relocate the wireless access point to the perimeter network. Require authentication through a VPN server before allowing access to the internal resources.
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【简答题】Exercise B: Complete the following sentences with what you have remembered. 1.Generally speaking, men do one thing at a time. Women do many. Doing many things at one time is often called “1______”, a ...
查看完整题目与答案
【判断题】在AE-LOG记录中，语句ATPAA069D0B0 Profibus TI-H to TSG connecte D、的意义是TI-H到TSG的PB总线连接正常，其中TI-H缩写的含义是，车辆接口控制器。
A.
正确
B.
错误
查看完整题目与答案
【简答题】试简单描述亚当 . 斯密的分工理论?
查看完整题目与答案
【单选题】Many students are ________ chatting online, which wastes them plenty of time.
A.
crazy about
B.
connected with
C.
worried about
D.
anxious about
查看完整题目与答案
【单选题】为使新催化剂或再生后的催化剂有良好的金属活性,首先催化剂进行( )
A.
氯化氧化
B.
预硫化
C.
还原
D.
低温进油
查看完整题目与答案
【判断题】充油电力电缆主绝缘直流耐压试验的加压时间为2min
A.
正确
B.
错误
查看完整题目与答案
【判断题】在活动—参与教学模式中,学生自主参与数学实践活动,在活动中通过动手探索,参与实践,教师不需要干预。
A.
正确
B.
错误
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