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 s

第1题：

Company.com has employed you as their exchange administrator.The Company.com network contains an exchange server 2010 organization that hosts two exchange servers named -ex01 and -ex02.-ex01 and -ex02 is members of a database availability group.during the course of the day you decide to shut down -ex01.You then receive numerous complaints from users stating that they are unable to access their mailboxes.to ensure productivity you need to make sure that all examways users are able to connect to their mailboxes in the event of one mailbox server becoming inaccessible.What should you do？（）

• A、your best choice would be to have the hub transport server role removed from -ex01.
• B、your best option would be to have the mailbox database copies added to -ex01 and -ex02.
• C、Your best option would be to have the shadow redundancy settings configured.
• D、Your best option would be to have Client Access server array created.

第2题：

You are maintaining the SALES database for an organization. You have enabled the Flashback Database feature and want to estimate the flashback space required for future operations.  Which view would you query to estimate the flashback space required？（）

• A、 V$DATABASE
• B、 V$FLASHBACK_DATABASE_STAT
• C、 V$FLASHBACK_DATABASE_LOG
• D、 V$RECOVERY_FILE_DEST

第3题：

第4题：

From the V$SESSION_LONGOPS view， you find that some of the database users have long-running queries and are consuming a lot of CPU time. This causes problems for you when you try to log on as the system user and perform small maintenance tasks. You would like to ensure that users SYS and SYSTEM get priority over all other users.   Which method would you use to achieve this 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

第5题：

You work as a database administrator for Supportcenter.cn. In a production environment， users complain about the slow response time when accessing the database. You have not optimized the memory usage of the Oracle instance and you suspect the problem to be with the memory. To which type of object would you refer to determine the cause of the slow response？（）

• A、The trace file
• B、The fixed views
• C、The data dictionary views
• D、The operating system log fields
• E、The dynamic performance views.

第6题：

You recently activated a resource plan named OLTP_PLAN in your database. Several users are concurrently running long transactions. You decide to monitor the resource manager to determine if the resource allocation formulated in the OLTP_PLAN is sufficient for peak database hours. Which dynamic performance view should you use to display the CPU time consumed by all the sessions within the resource groups？（）  

• A、 V$SYSSTAT
• B、 V$SESSSTAT
• C、 V$RSRC_PLAN
• D、 V$RSRC_CONSUMER_GROUP

第7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.

第8题：

From the V$SESSION_LONGOPS view， you find that some of the database users have long/x7frunning 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 CPU levels for the users’ group using Resource Manager
• D、set the TIMED_STATISTICS parameter to TRUE in the parameter file

第9题：

In one of your online transaction processing （OLTP） applications， users are manipulating and querying a database table simultaneously. From the Segment Advisor， you find that one of the tables is highly fragmented and you want to shrink the table immediately without affecting the currently active queries.  Which option would you use with the ALTER TABLE command to achieve this objective？（）

• A、REBUILD
• B、CASCADE
• C、TRUNCATE
• D、ROW MOVEMENT
• E、SHRINK SPACE COMPACT
• F、SHRINK SPACE CASCADE

第10题：

From the V$SESSION_LONGOPS view， you find that some of the database users have long/x7frunning queries and are consuming a lot of CPU time. This causes problems for you when you try to log on as the system user and perform small maintenance tasks. You would like to ensure that users SYS and SYSTEM get priority over all other users. Which method would you use to achieve this 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