Which of the following is a correct statement about Workload Partitions （WPARs）？（）

A、WPARs use dedicated cores and shared memory.

B、WPARs are restricted to using dedicated resources.

C、WPARs share the resources of a single AIX instance.

D、WPARs use shared cores， memory， and dedicated network adapters.

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  B

   local

  C

   -8：00

  D

   dbtimezone Li

  E

   Australia

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• The JSP developer wants a comment to be visible in the final output to the browser. Which comment styleneeds to be used in a JSP page？（）

  A、

  B、<% // this is a comment %>

  C、<%-- this is a comment --%>

  D、<% /** this is a comment **/ %>

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• During cluster fallover testing，the administrator determines that additional work is required to stop existing test applications on the standby node，prior to starting the production applications on the surviving node.  To manage this type of requirement，which step should be performed first？（）  

  A、 Create a custom pre/post event.

  B、 Add a custom user defined event.

  C、 Define custom error notification.

  D、 Modify the test application server.

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• View the Exhibit and examine the structure of the EMP table. You executed the following command to add a primary key to the EMP table：   ALTER TABLE emp   ADD CONSTRAINT emp_id_pk  PRIMARY KEY （emp_id）   USING INDEX emp_id_idx；   Which statement is true regarding the effect of the command？（）

  A、  The PRIMARY KEY is created along with a new index.

  B、  The PRIMARY KEY is created and it would use an existing unique index.

  C、  The PRIMARY KEY would be created in a disabled state because it is using an existing index.

  D、  The statement produces an error because the USING clause is permitted only in the CREATE TABLE command.

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• Which statement is true regarding Flashback Version Query？（）

  A、 It returns versions of rows only within a transaction.

  B、 It can be used in subqueries contained only in a SELECT statement.

  C、 It will return an error if the undo retention time is less than the lower bound time or SCN specified.

  D、 It retrieves all versions including the deleted as well as subsequently reinserted versions of the rows.

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