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【单项选择题】

You observe that a database performance has degraded over a period of time. While investigating the reason， you find that the size of the database buffer cache is not large enough to cache all the needed data blocks. Which advisory component would you refer to， in order to determine that required size of the database buffer cache？ （）

A、A. Memory Advisor

B、B. Segment Advisor

C、C. SQL Tuning Advisor

D、D. SQL Access Advisor

E、E. Automatic Database Diagnostic Monitor （ADDM）

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更多“You observe that a database performance has degraded over a period of time. While investigating the reason， you find that the size of the database buffer cache is not large enough to cache all the needed data blocks. Which advisory component would you refer to， in order to determine that required size of the database buffer cache？ （）”相关的问题
第1题
[单选题] You observe that in your PROD database， customer information is being modified by some unauthorized users. You want to keep track of all of the transactions happening on the table using PL/SQL. Which type of PL/SQL subprogram or construct would you use to accomplish this task？（）

A、functions  B、packages  C、procedures  D、database triggers  E、anonymous PL/SQL block  

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第2题
[] You work as a database administrator at Certkiller .com. In your production database， you observe that users’ transactions are consuming a lot of resource and you plan to impose resource restrictions by using Resource Manager. For which three resources can you enable usage restrictions by using Resource Manager？ （）

A、A. CPU usage  B、B. degree of parallelism  C、C. number of open cursors  D、D. number of sorts performed  E、E. idle time for blocking sessions  F、F. number of disk I/O operations performed  H、G. number of memory I/O operations performed  

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第3题
[单选题] You are developing a Windows Forms Application by using the .NET Framework 3.5.You plan to design a composite custom control for the application. You include a ListBox control has a property that provides the item count of  the ListBox control. You need to ensure that the property cannot be accessed at design time. Which attribute should you use？（）

A、[Bindable（false）]  B、[DesignOnly（false）]  C、[EditorBrowsable（EditorBrowsableState.Never）]  D、[Browsable（false）]  

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第4题
[单选题] You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. You intend to configure FILESTREAM data, enabling FILESTREAM for file I/O streaming access and allowing remote client computers to have streaming access to FILESTREAM data. You must make sure that FILESTREAM data is enabled. In the options below, which service should you configure? （） 

A、You should configure Distributed File System  B、You should configure SQL Server  C、You should configure SQL Server Full Text  D、You should configure SQL Server VSS Writer  

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第5题
[单选题] You work as the enterprise exchange administrator at Xxx .Xxx is using Microsoft Exchange Server 2010 as their messaging solution.The Xxx network contains a Mailbox server named XXX-EX10.What action must you take to have mailboxes retained for 8 weeks after deletion？（）

A、You must create a legal hold.  B、You must change the mailbox database properties.  C、You must create Transport Protection Rules.  D、You must create Personal archives.  

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第6题
[单选题] You work as the enterprise exchange administrator at Xxx .Xxx is using Microsoft Exchange Server 2010 as their messaging solution.A new Xxx usage policy prohibits the employees from using certain words in internal e-mail messaging.What actions must you take to have the policy implemented？（）

A、You must set up an IP Block list.  B、You must set up sender filtering.  C、You must set up managed folders.  D、You must build a transport rule  

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第7题
[单选题] You have a computer running Windows 2000 Professional. You have purchased a new USB scanner. You attached it to the USB port. When you go to device manager to see the status of the USB port， you find a USB controller there but with a yellow warning icon next to the host controller name. What should you do to resolve this problem？ （）

A、Update the scanner drivers using certified drivers  B、Enable the USB port in the computers BIOS again.  C、Contact the maker or vendor for you system and obtain the current version of BIOS.  D、Enable the USB hub controller in device manager.  

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第8题
[单选题] You work as the enterprise exchange administrator at Xxx .Xxx is using Microsoft Exchange Server 2010 as their messaging solution.What action must you take to restrict the amount of data in a particular public folder only without impacting on the other public folders？（）

A、You must use the equipment mailbox.  B、You must use the Mail Flow Troubleshooter.  C、You must use the Public Folder Management Console.  D、You must use the Exchange Server Jetstress 2010.  

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第9题
[单选题] You need to troubleshoot an issue on the switched LAN. When you issue a command "show port3/1" on a switch， you observe the Giants column has a non-zero entry. What could cause this？（）

A、IEEE 802.10  B、Misconfigured NIC  C、User configuration  D、IEEE 802.1Q  E、None of the other alternatives apply  

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第10题
[单选题] You work as the enterprise exchange administrator at Xxx .Xxx is using Microsoft Exchange Server 2010 as their messaging solution.The Xxx employees at Xxx use Outlook Web App to access their mailboxes.You receive a complaint from a Xxx employee named Mia Hamm that her mailbox is unavailable.What actions must you take to resolve this problem？（）

A、You must change the WEB Outlook Provider.  B、You must change Mia Hamm’s mailbox features.  C、You must change the EXPR Outlook Provider.  D、You must change the DNS forwarding.  

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