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【多项选择题】

You need to store elements in a collection that guarantees that no duplicates are stored. Which two interfaces provide that capability？（）

A、A. Java.util.Map

B、B. Java.util.Set

C、C. Java.util.List

D、D. Java.util.StoredSet

E、E. Java.util.StoredMap

F、F. Java.util.Collection

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更多“You need to store elements in a collection that guarantees that no duplicates are stored. Which two interfaces provide that capability？（）”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？（）

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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？（）

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第8题
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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？（）

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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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