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【单项选择题】

You need to create a data block for DML operations in the NEW_EMPLOYEE form module. Which data source can you use for this block?（）

A、A.REF cursor query. 

B、B.Stored function. 

C、C.From clause query. 

D、D.Transactional trigger.

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更多“You need to create a data block for DML operations in the NEW_EMPLOYEE form module. Which data source can you use for this block?（）”相关的问题
第1题
[单选题] You are running Linux 2.0.36 and you need to add a USB mouse to your system. Which of the following statements is true？（）

A、 You need to rebuild the kernel.  B、 You need to upgrade the kernel  C、 You need to load the USB modules for your existing modular kernel.  D、 USB support is not available in Linux.  

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第2题
[单选题] You need to block messages from senders that do not comply sender policy framework （SPF）.What do you need to implement？（）

A、Receive connector  B、Sender ID Filtering  C、Sender Filtering  D、Send connector  

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第3题
[多选题] In which scenarios would you rebuild an index？（）

A、 when you need to disable the index usage  B、 when you need to change storage options  C、 when you need to enable index monitoring  D、 when you need to move the index to another tablespace  

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第4题
[] You have a computer that runs Windows 7. The Windows Experience Index displays the subscores in the following table. You need to increase the Windows Experience Index base score.  What should you do? （）  You have a computer that runs Windows 7. The Windows Experience Index displays the subscores in the following table. You need to increase the Windows Experience Index base score.  What should you do? （） 

A、A.Add more RAM.  B、B.Add a second hard disk.  C、C.Upgrade the video adapter.  D、D.Upgrade to a faster processor.  

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第5题
[] You need to recommend an availability solution for Site1 that meets the company's application requirements and business goals.   What should you include in the recommendation？（） You need to recommend an availability solution for Site1 that meets the company's application requirements and business goals.   What should you include in the recommendation？（）

A、A.hardware load balancing  B、B.Network Load Balancing （NLB）  C、C.round robin DNS  D、D.Windows Failover Clustering  

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第6题
[单选题] You include the calendar class in your Hotel Booking application. Which additional form level objects will you need to create to implement this reusable component fully?（）

A、Blocks   B、Visual attributes.   C、Stacked canvas.   D、Nothing further needs to be created.  

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第7题
[单选题] You are creating an undo buffer that stores data modifications.You need to ensure that the undo functionality undoes the most recent data modifications first.You also need to ensure that the undo buffer permits the storage of strings only.Which code segment should you use？（）

A、Stack<string> undoBuffer=new Stack<string>（）；  B、Stack undoBuffer=new Stack（）；  C、Queue<string> undoBuffer=new Queue<string>（）；  D、Queue undoBuffer=new Queue（）；  

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第8题
[] You&#8194;are&#8194;managing&#8194;a&#8194;database&#8194;for&#8194;which&#8194;incremental&#8194;backups&#8194;can&#8194;be&#8194;very&#8194;time&#8194;consuming.&#8194;In&#8194;order&#8194;to&#8194;perform&#8194;optimized&#8194;incremental&#8194;backups&#8194;you&#8194;enable&#8194;the&#8194;block&#8194;change&#8194;tracking&#8194;feature.How&#8194;would&#8194;you&#8194;instruct&#8194;RMAN&#8194;to&#8194;use&#8194;the&#8194;block&#8194;change&#8194;tracking&#8194;feature&#8194;when&#8194;performing&#8194;incremental&#8194;backups？（）

A、A. You need to mention it with every BACKUP command.  B、B. The block change tracking feature is used automatically by RMAN.  C、C. You need to configure it using the CONFIGURE command.  D、D. You need to set the necessary initialization parameters to direct RMAN to use the feature.  

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第9题
[] Redo&#8194;log&#8194;files&#8194;are&#8194;multiplexed&#8194;in&#8194;your&#8194;database.&#8194;The&#8194;disk&#8194;in&#8194;which&#8194;you&#8194;have&#8194;one&#8194;of&#8194;the&#8194;redo&#8194;log&#8194;members&#8194;is&#8194;highly&#8194;fragmented.&#8194;In&#8194;the&#8194;process&#8194;of&#8194;defragmentation&#8194;you&#8194;lose&#8194;the&#8194;redo&#8194;log&#8194;member，&#8194;which&#8194;is&#8194;not&#8194;a&#8194;member&#8194;of&#8194;the&#8194;current&#8194;group.&#8194;How&#8194;would&#8194;you&#8194;recover&#8194;from&#8194;the&#8194;loss&#8194;of&#8194;the&#8194;redo&#8194;log&#8194;member？（）

A、A.SMON would automatically restore the lost file.  B、B.You would need to restore the whole database from the last backup.  C、C.You would need to restore the file from the last full database backup.  D、D.You would need to use flashback technology to restore the lost redo log member.  E、E.You would need to use Recovery Manager （RMAN） to restore the lost redo log member.  F、F.You would need to restore the missing log file by copying one of the remaining files from the same group.  

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第10题
[单选题] You&#8194;are&#8194;developing&#8194;an&#8194;ASP.NET&#8194;Web&#8194;application.&#8194;You&#8194;create&#8194;a&#8194;master&#8194;page.&#8194;The&#8194;master&#8194;page&#8194;requires&#8194;a&#8194;region&#8194;where&#8194;you&#8194;can&#8194;add&#8194;page-specific&#8194;content&#8194;by&#8194;using&#8194;theASP.NET&#8194;page&#8194;designer.&#8194;You&#8194;need&#8194;to&#8194;add&#8194;a&#8194;control&#8194;to&#8194;the&#8194;master&#8194;page&#8194;to&#8194;define&#8194;the&#8194;region.&#8194;Which&#8194;control&#8194;should&#8194;you&#8194;add？（）

A、PlaceHolder  B、ContentPlaceHolder  C、Content  D、Substituition  

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