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【单选题】

Users in your PROD database complain about the slow response of the transactions. While investigating the reason， you find that the transactions are waiting for the undo segments to be available， and undo retention has been set to zero. What would you do to overcome this problem？（）

A、increase the undo retention

B、create more undo segments

C、create another undo tablespace

D、increase the size of the undo tablespace

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更多“Users in your PROD database complain about the slow response of the transactions. While investigating the reason， you find that the transactions are waiting for the undo segments to be available， and undo retention has been set to zero. What would you do to overcome this problem？（）”相关的问题
第1题
[单选题] You replaced your Layer 3 switch， which is the default gateway of the end users. Many users cannot access anything now， including email， Internet， and other applications， although other users do not have any issues. All of the applications are hosted in an outsourced data center. In order to fix the problem， which one of these actions should you take？（）

A、Clear the MAC address table in the switch.  B、Clear the ARP cache in the switch.  C、Clear the ARP cache in the end devices.  D、Clear the ARP cache in the application servers.  

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第2题
[单选题] You replaced your Layer 3 switch，which is the default gateway of the end users. Many users cannot access anything now，including email，Internet，and other applications，although other users do not have any issues. All of the applications are hosted in an outsourced data center. In order to fix the problem，which one of these actions should you take？（）

A、Clear the MAC address table in the switch.  B、Clear the ARP cache in the switch.  C、Clear the ARP cache in the end devices.  D、Clear the ARP cache in the application servers.  

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第3题
[单选题] You replaced your Layer 3 switch， which is the default gateway of the end users. Many users cannot access anything now， including email， Internet， and other applications， although other users do not have any issues. All of the applications are hosted in an outsourced data center. In order to fix the problem， which one of these actions should you take？ （）

A、 Clear the MAC address table in the switch.  B、 Clear the ARP cache in the switch.  C、 Clear the ARP cache in the end devices.  D、 Clear the ARP cache in the application servers.  

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第4题
[单选题] From the V$SESSION_LONGOPS view， you find that some of the database users have long-running queries that consume a lot of CPU time. This causes performance problems for other users in the database， who have much shorter queries. You would like to make sure that the users with large queries do not use all the CPU time， but you still do not want to terminate them with an error message. Which method would you follow to achieve this？（）

A、 set the CPU time per call in the users profile  B、 set the CPU time per session in the users profiles  C、 set the TIMED_STATISTICS parameter to TRUE in the parameter file  D、 set the CPU levels for the users’ group using Resource Manager  

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第5题
[单选题] For the V$SESSION_LONGOPS view， you find that some of the database users have long-running queries that consume a lot of CPU time. This causes performance problems for other users in the database， who have much shorter queries. You would like to make sure that the users with large queries do not use all the CPU time， but you still do not want to terminate them with an error message. Which method would you follow to achieve this？（）

A、 Set the CPU time per call in the users profile.  B、 Set the CPU time per session in the users profile.  C、 Set the CPU levels for the user’s group using Resource Manager.  D、 Set the TIMED_STATISTICS parameter to TRUE in the parameter file.  

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第6题
[单选题] You need to include a disclaimer to all sent messages in your organization. Some of the users require message encryption.How do you make sure that disclaimer can be included in encrypted messages？（）

A、Instruct the users to use IRM encryption method only  B、Instruct the users to use S/MIME encryption method only  C、Using command New-ExchangeCertificate cmdlet  D、Using the Set-ExchangeServer cmdlet  

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第7题
[单选题] You need to recommend an access solution for the users in the sales department that meets the  museum's technical requirements.    What should you include in the recommendation？（）

A、BranchCache in Distributed Cache mode  B、BranchCache in Hosted Cache mode  C、offline files  D、transparent caching  

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第8题
[] You network consists of a single Active Directory domain. All domain controllers run Windows Server 2008. You need to reset the Directory Services Recovery Mode （DSRM） password on a domain controller. What tool should you use（）

A、A.dsmod  B、B.ntdsutil  C、C.Local Users and Groups snap-in  D、D.Active Directory Users and Computers snap-in  

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第9题
[] You are implementing an ASP.NET MVC 2 Web application that allows users to view and edit data. You need to ensure that only logged-in users can access the Edit action of the controller. What are two possible attributes that you can add to the Edit action to achieve this goal？ （）

A、A.[Authorize（Users = ""）]  B、B.[Authorize（Roles = ""）]  C、C.[Authorize（Users = "*"）]  D、D.[Authorize（Roles = "*"）]  

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第10题
[单选题] Adam is working as a Database Administrator （DBA） for TeleSoft Corporation. His database is running in the ARCHIVELOG mode. During database startup， he discovers that one of the disks crashed， resulting in the permanent loss of a read-write USERS tablespace. The USERS01.dbf datafile belongs to the USERS tablespace and is 500 MB in size. He needs to recover the USERS tablespace from the backup. While reviewing the backup details， he discovers that the most recent available backup is five days old. This b

A、 Restore the USERS01.dbf file from the backup， and open the database using the STARTUP command.  B、 Restore the USERS01.dbf file using the RECOVER TABLESPACE command， and open the database using the ALTER DATABASE OPEN statement.  C、 Restore the USERS01.dbf file from the backup， recover the USERS tablespace using the RECOVER TABLESPACE command， and open the database using the ALTER DATABASE OPEN statement.  D、 Restore the USERS01.dbf file from the backup and change the status of the USERS tablespace from read-only to read-write using the ALTER TABLESPACE USERS READ WRITE statement. Then， recover the USERS tablespace using the RECOVER TABLESPACE command， and open the database using the ALTER DATABASE OPEN statement.  

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