Automatic Consumer Group Switching is an important new featu

题目
多选题
Automatic Consumer Group Switching is an important new feature of the Database Resource Manager. Which three plan directive parameters are used to control this feature?()
A

SWITCH_TIME

B

SWITCH_GROUP

C

MAX_SESS_POOL

D

SWITCH_ESTIMATE

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相似问题和答案

第1题:

Youexecutethefollowingblockofcode:SQL>BEGINDBMS_RESOURCE_MANAGER.CREATE_SIMPLE_PLAN(SIMPLE_PLAN=>’DEPARTMENTS’,CONSUMER_GROUP1=>’PAYROLLL’,GROUP1_CPU=>50,CONSUMER_GROUP2=>’SALES’,GROUP2_CPU=>25,CONSUMER_GROUP3=>’MARKETING’,GROUP3_CPU=>25);END;SQL>/Whatisaprerequisiteforusingthesimpleresourceplancreatedbyexecutingtheabovecode?()

A.Youmustassignuserstoconsumergroups.

B.Youmustgranttheswitchprivilegetotheusers.

C.Youmustcreatearesourceplandirective.

D.Youmustspecifythecomplexresourceplan.


参考答案:A

第2题:

You have created a resource plan, PROD_DB_PLAN, with the following consumer groups with the respective plan directives:  Consumer group SALES with CPU_P1 as 60 and DEGREE_OF_PARALLELISM as 4. Consumer group MARKET with CPU_P1 as 20.  Consumer group DEV with CPU_P1 as 20.  Consumer group OTHERS with CPU_P1 as 0 and CPU_P2 as 100.  Which two statements are correct in this scenario? ()

  • A、The maximum degree of parallelism for the members of the consumer groups is 4.
  • B、The CPU allocation will always be equal for the consumer groups MARKET and DEV.
  • C、The OTHERS consumer group would get 100% of the CPU if there are unused level 1 CPU resources.
  • D、The SALES and MARKET consumer groups would get 100% of the CPU if there are unused level 2 CPU resources.
  • E、The maximum degree of parallelism for the members of the consumer group SALES is 4 with no restriction for the remaining groups.

正确答案:C,E

第3题:

View the Exhibit and examine the resource consumption details for the current plan in use by the database instance.Which two statements are true based on the output?()

A. An attempt to start a new session by the user belonging to DSS_QUERIES fails with an error

B. A user belonging to DSS_QUERIES can log in to a new session but the session will be queued

C. The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for the CPU due to resource management .

D. The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for the CPU due to resource management, I/O waits, and latch or enqueue contention


参考答案:B, C

第4题:

You issue the following code:    EXEC DBMS_RESOURCE_MANAGER_PRIVS.GRANT_SWITCH_CONSUMER_GROUP        (’SCOTT’ ’GRP1’, TRUE);   What will be the result of executing the above code?()  

  • A、 The switch privilege will be granted to the user, Scott, for changing the consumer group to GRP1.
  • B、 The switch privilege will be granted to the user, Scott, for changing the consumer group from GRP1 to any other group.
  • C、 The code will not execute successfully because there is no GRANT_SWITCH_CONSUMER_GROUP procedure in the DBMS_RESOURCE_MANAGER_PRIVS package.
  • D、The code will execute successfully but no privilege will be granted to the user, Scott.

正确答案:A

第5题:

Which three resource plan parameters are used to enable Automatic Consumer Group Switching to estimate job execution times automatically, and to perform a switch to a low priority consumer group before they are initiated?()

  • A、SWITCH_TIME
  • B、SWITCH_GROUP
  • C、MAX_SESS_POOL
  • D、SWITCH_ESTIMATE

正确答案:A,B,D

第6题:

You have created a resource plan, PROD_DB_PLAN, with the following consumer groups with the respective plan directives:  Consumer group SALESwith CPU_P1as 60 and DEGREE_OF_PARALLELISMas 4.   Consumer group MARKETwith CPU_P1as 20.   Consumer group DEVwith CPU_P1as 20.   Consumer groupOTHERSwith CPU_P1as 0 and CPU_P2as 100.  Which two statements are correct in this scenario?()

  • A、 The maximum degree of parallelism for the members of the consumer groups is 4.
  • B、 The CPU allocation will always be equal for the consumer groups MARKET and DEV.
  • C、 The OTHERS consumer group would get 100% of the CPU if there are unused level 1 CPU resources.
  • D、 The SALES and MARKET consumer groups would get 100% of the CPU if there are unused level 2 CPU resources.
  • E、 The maximum degree of parallelism for the members of the consumer group SALES is 4 with no restriction for the remaining groups.

正确答案:C,E

第7题:

You are creating a resource consumer group using the DBMS_RESOURCE_MANAGER.CREATE_CONSUMER_GROUP procedure. Which parameter will you use to define the resource scheduling method used between sessions within the resource group?() 

  • A、 CPU_MTH
  • B、 NEW_CPU_MTH
  • C、 CPU_P1
  • D、 CPU_P2

正确答案:A

第8题:

Which statement is true about a running session that belongs to the online transaction processing (OLTP) group?()

A. It permanently switches to the low_group consumer group if the session exceeds 10,000 I/O requests or 2,500 MB of data transfer.

B. It performs the first 10000 I/O requests or 2,500 MB of data transfer in the LOW-GROUP consumer group, and then switches to the original group.

C. It switches to the LOW_GROUP consumer group if the session exceeds 10000 I/O requests or 2500 MB of data transfer and returns to the original group after the operation.

D. It switches to the LOW_GROUP consumer group if the session exceeds 10000 I/O requests or 2500MB of data transfer for queries, but not for data manipulation language (DML) operations.


参考答案:D

第9题:

Your production database uses an Automatic Storage Management (ASM) instance to manage its files.  You want to add a new disk group to the ASM instance to manage the increased data load.  What action would you perform to include the new disk group in the ASM instance without causing any impact on the currently connected users?()

  • A、mount the new disk group in the ASM instance
  • B、restart the ASM instance and the production database instance
  • C、register the new disk groups in the production database instance
  • D、restart the ASM instance without restarting the production database instance
  • E、include the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance

正确答案:A

第10题:

单选题
You want to create a consumer group, GROUP1, and you execute the following command in the command/x7fline interface:  SQL> EXEC DBMS_RESOURCE_MANAGER.CREATE_CONSUMER_GROUP  (CONSUMER_GROUP =>’group1’, COMMENT => ’New Group’);  This command errors out displaying the following message:  ERROR at line 1:  ORA/x7f29371: pending area is not active  ORA/x7f06512: at "SYS.DBMS_RMIN", line 115  ORA/x7f06512: at "SYS.DBMS_RESOURCE_MANAGER", line 108  ORA/x7f06512: at line 1  What action would you take to overcome this error?()
A

create the Pending Area before creating the consumer group

B

activate the Pending Area before creating the consumer group

C

increase the size of the large pool to accommodate the Pending Area

D

increase the size of the shared pool to accommodate the Pending Area

E

increase the size of the database buffer cache to accommodate the Pending Area


正确答案: C
解析: 暂无解析

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