单选题You work as a database administrator for Supportcenter.cn. You find that users with DBA role are using more CPU resources than what is allocated in their profiles. Which action would you take to ensure that resources limits are imposed on these users?()AAssign the DEFAULT profile to the usersBSet the RESOURCE_LIMIT parameter to TRUE in the parameter fileCCreate a new profile with CPU restrictions and assign it to the usersDSpecify the users as members of the DEFAULT_CONSUMER_GROUPERevoke the DBA role and grant CONNECT and RESOURCE role to the users

单选题
You work as a database administrator for Supportcenter.cn. You find that users with DBA role are using more CPU resources than what is allocated in their profiles. Which action would you take to ensure that resources limits are imposed on these users?()
A

Assign the DEFAULT profile to the users

B

Set the RESOURCE_LIMIT parameter to TRUE in the parameter file

C

Create a new profile with CPU restrictions and assign it to the users

D

Specify the users as members of the DEFAULT_CONSUMER_GROUP

E

Revoke the DBA role and grant CONNECT and RESOURCE role to the users


参考解析

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相关考题:

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单选题You work as a database administrator for Supportcenter.cn. Users in the Supportcenter.cn PROD database complain about the slow response of 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?()AIncrease the undo returnBCreate more undo segmentsCCreate another undotablespaceDIncrease the size of the undo tablespace

多选题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? ()ACPU usageBdegree of parallelismCnumber of open cursorsDnumber of sorts performedEidle time for blocking sessionsFnumber of disk I/O operations performedGnumber of memory I/O operations performed

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单选题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?()AThe trace fileBThe fixed viewsCThe data dictionary viewsDThe operating system log fieldsEThe dynamic performance views.

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单选题You want to monitor and control the resource usage by sessions. You want to be warned automatically when more than 100 sessions are opened with your database.  What action would you take to achieve this?()AUse the Database Resource Manager.BSet the limits in the profiles used by users.CModify the SESSIONS initialization parameter.DSet the warning threshold for the Current Logons Count metric.

单选题The database users are connecting to the PROD database from different applications, thereby degrading the database performance. The senior database administrator suspects the large number of concurrent connections to be the reason for low performance and asks you to restrict the number concurrent connections per database user to one. Which action would you take to achieve this objective? ()Aset the SESSIONS to 1 in the parameter fileBgrant SINGLE SESSION privilege to all of the usersCset the SESSIONS_PER_USER to 1 in the users’ profileDgrant RESTRICTED SESSION privilege to all of the database usersEcreate a role with SINGLE SESSION privilege and assign the role to the users