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【单选题】
You have configured flash recovery area in your database and you set the following Initialization parameters for your database instance： LOG_ARCHIVE_DEST 1 = ，，LOCATION=/disk1/arch MANDATORY’ LOG _ARCHIEVE_DEST 2 = ，，LOCATION=/disk2/arch’ LOG_ARCHIVK_DEST_3 = ，，LOCATION=/diSk3/arch LOG_ARCH1VK_DEST_4 = ’ LOCATION=/disk4/arch’ LOG_ARCHIVE_MIN-SUCCEED_DEST = 2 While the database instance is functional，you realized that the destination set by the LOG_ARCHIVE_DEST_I parameter Is not available for the archived redo log file to be created in. All redo log groups have been used. What happens in an event of log switch？（）A.
The online redo log file Is not allowed to be overwritten.
B.
The archived redo log files are written to the flash recovery area until the MANDATORY destination is made available.
C.
The database instance will crash because the archived redo log file cannot be created in a destination set as MANDATORY.
D.
The destination set by the LOG_ARCHIVE_DEST_1 parameter is ignored and the archived redo log files are created in the next two available locations to guarantee archive log success.
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【单选题】To test the validity of your selection device for widget makers, you have given it to the present widget makers in your company and correlated it with their latest performance appraisal scores. What t...
A.
Predictive criterion-related validation
B.
Content validation
C.
Concurrent criterion-related validation
D.
Utility
【多选题】对于启发式图搜索策略，下面叙述正确的是（ ）
A.
估价函数中，从初始结点到 n 结点的实际代价的比重越小，越倾向于宽度优先搜索方式
B.
估价函数中，从初始结点到 n 结点的实际代价的比重越大，越倾向于宽度优先搜索方式
C.
估价函数中，从 n 结点到目标结点的最佳路径的估计代价的比重越小，越倾向于启发式搜索方式
D.
估价函数中，从 n 结点到目标结点的最佳路径的估计代价的比重越大，越倾向于启发式搜索方式
【单选题】The number 4. 123 is read__________.
A.
four thousand one hundred and twenty-three
B.
four thousand and one hundred twenty-three
C.
four thousand and a hundred and twenty-three
【简答题】There are all together 13 tips mentioned in the article. Tell one of your photo-taking experiences. Choose the one involving matching behaviors to the tips which made you cheerful because of the ama...
【单选题】为增强涂膜防水层的抗拉能力,改善防水性能,在涂膜防水层施工时,一般采取哪种措施( )。
A.
提高涂料耐热度
B.
涂料中掺入适量砂子
C.
增加涂膜厚度
D.
铺设胎体增强材料
【单选题】马克思主义认为自由是( )。
A.
人们选择的主动性
B.
人能够随心所欲，为所欲为
C.
人类能够摆脱必然性
D.
人们在对必然认识的基础之上对客观的改造 人们在对必然认识的基础之上对客观的改造
【简答题】Listen and number. (听录音，给下列图片排序) 1. ( ) 2. ( ) 3. ( ) 4. ( ) 5. ( )
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