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【单选题】

On a system wide basis， which of the following procedures is best to make NIS name resolution take precedence over DNS？（）

A、Remove the /etc/resolv.conf file

B、Unset the NSORDER environment variable

C、Add the following line to /etc/netsvc.conf： hosts=nis，bind，local

D、In a NIS and DNS environment， NIS takes precedence so there is nothing to change

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更多“On a system wide basis， which of the following procedures is best to make NIS name resolution take precedence over DNS？（）”相关的问题
第1题
[单选题] A companys computers are running Windows XP Professional. Some of the desktop computers have the file ntbootdd.sys on the root but it is not seen on any laptops. The ntbootdd.sys file is required for：（）

A、desktops with certain chipsets.  B、compatibility with some Windows NT4 applications.  C、computers with scanners.  D、for SCSI devices.  

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第2题
[单选题] he DBA is about to enable auditing on the Oracle database in an attempt to discover some suspicious activity. Audit trail information is stored in which of the following database object names?（）

A、SYS.SOURCE$   B、SYS.AUD$   C、DBA_SOURCE   D、DBA_AUDIT_TRAIL  

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第3题
[单选题] The operating system partition on a server is nearly out of space on a Windows 2003 Server.  The administrator notices that the file pagefile.sys is taking up nearly 2GB of space.  Which of the following would BEST resolve this problem？（）

A、Move the page file to a free drive.  B、Delete the file.  C、Add more memory.  D、Remove the page file from system properties.  

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第4题
[单选题] You are ready to implement RMAN in the backup and recover strategy for your company. Which system privilege must the RMAN user have to be able to connect and execute RMAN commands on a target database？（）

A、SYSDBA  B、SYSOPER  C、No system privileges are required for the RMAN user.  D、Only SYS user can connect and execute RMAN commands on a target database.  

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第5题
[] You want to implement the backup and recovery strategy in your database using Recovery Manager （RMAN）. You have chosen the control file of the target database for the RMAN repository.  Which command-line RMAN command would you use to establish a local connection between RMAN and the RMAN repository if your database is using password file authentication？（）

A、A. rman TARGET / NOCATALOG  B、B. rman TARGET sys/password  C、C. rman TARGET sys/password AS SYSDBA  D、D. rman TARGET sys/password@db_name CATALOG rman_user/rman_password@rcat  

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第6题
[单选题] Which of the following outputs will best indicate if a system is CPU bound?（）

A、 %idle < 10%   B、 %usr + %sys > 80%   C、 %sys + %wio > 80%   D、 %wio + %idle > 80%  

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第7题
[单选题] From&#8194;the&#8194;V$SESSION_LONGOPS&#8194;view，&#8194;you&#8194;find&#8194;that&#8194;some&#8194;of&#8194;the&#8194;database&#8194;users&#8194;have&#8194;long/x7frunning&#8194;queries&#8194;and&#8194;are&#8194;consuming&#8194;a&#8194;lot&#8194;of&#8194;CPU&#8194;time.&#8194;This&#8194;causes&#8194;problems&#8194;for&#8194;you&#8194;when&#8194;you&#8194;try&#8194;to&#8194;log&#8194;on&#8194;as&#8194;the&#8194;system&#8194;user&#8194;and&#8194;perform&#8194;small&#8194;maintenance&#8194;tasks.&#8194;You&#8194;would&#8194;like&#8194;to&#8194;ensure&#8194;that&#8194;users&#8194;SYS&#8194;and&#8194;SYSTEM&#8194;get&#8194;priority&#8194;over&#8194;all&#8194;other&#8194;users.&#8194;Which&#8194;method&#8194;would&#8194;you&#8194;use&#8194;to&#8194;achieve&#8194;this&#8194;objective？（）

A、create a plan directive in the SYS_GROUP  B、create the pending area for the consumer group  C、activate the provided SYSTEM_PLAN in Resource Manager  D、set the TIMED_STATISTICS parameter to TRUE in the parameter file  E、set the execution time limit for all users， except SYS and SYSTEM， in their profiles  

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第8题
[单选题] Which&#8194;command&#8194;will&#8194;enable&#8194;RBAC&#8194;on&#8194;a&#8194;server？（）&#8194;&#8194;

A、setkst -t enable ； reboot  B、chrbac -a enable ； reboot  C、enable enhanced_RBAC ； reboot  D、chdev -l sys0 -a enhanced_RBAC=’true’ ； reboot  

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第9题
[单选题] You&#8194;are&#8194;a&#8194;database&#8194;administrator&#8194;for&#8194;your&#8194;company.&#8194;You&#8194;are&#8194;responsible&#8194;for&#8194;a&#8194;SQL&#8194;Server&#8194;2005&#8194;database&#8194;that&#8194;has&#8194;several&#8194;indexes.&#8194;You&#8194;need&#8194;to&#8194;write&#8194;a&#8194;stored&#8194;procedure&#8194;that&#8194;checks&#8194;the&#8194;indexes&#8194;for&#8194;fragmentation.&#8194;Which&#8194;Transact-SQL&#8194;statement&#8194;should&#8194;you&#8194;use？（）

A、DBCC DBREINDEX  B、SELECT * FROM sys.dm_db_index_physical_stats  C、DBCC INDEXDEFRAG  D、SELECT * FROM sys.indexes  

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第10题
[单选题] Which&#8194;element，&#8194;defined&#8194;as&#8194;a&#8194;child&#8194;of&#8194;a&#8194;&#8194;element&#8194;in&#8194;the&#8194;web&#8194;application&#8194;deployment&#8194;descriptor，&#8194;guarantees&#8194;a&#8194;servlet&#8194;will&#8194;be&#8194;initialized&#8194;at&#8194;the&#8194;time&#8194;the&#8194;application&#8194;is&#8194;deployed？（）&#8194;

A、ad-on-startup>ad-on-startup> <load-on-startup/>   B、 <load-on-startup>1</load-on-startup>   C、 <load-on-startup>-1</load-on-startup>   D、 <load-on-startup>true</load-on-startup>ad-on-startup>ad-on-startup>  

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