IBM DB2 10.1 DBA for Linux, UNIX, and Windows Set 1

1.

You have an High Availability and Disaster Recovery (HADR) environment set up and you want to read from the standby database. What must you do?

Assign the value ON to the DB2_HADR_ROS registry variable. Assign the value ON to the DB2_HADR_SNAP registry variable. Execute the STOP HADR command to temporarily break the HADR connection to the standby. Execute the TAKEOVER HADR command to instruct the standby database to takeover as the new primarydatabase.

2.

Which command can be used to restore a corrupted database using only the recovery history file?

RESTART DATABASE RECOVER DATABASE RESTORE DATABASE ROLLFORWARD DATABASE

3.

What is the correct procedure for recovering a dropped table when DROPPED TABLE RECOVERY has been enabled and the database must remain online?

Run the RECOVER DATABASE command with the RECOVER DROPPED TABLE option to restore the database and recover the droppedtable. Run the RECOVER DATABASE command with the RECOVER DROPPED TABLE option to restore the appropriate table space and recover thedropped table. Restore the database from a backup image that was taken before the table was dropped; run theROLLFORWARD DATABASE command withthe RECOVER DROPPED TABLE option to restore the database and recover the dropped table. Restore the appropriate table space from a backup image that was taken before the table was dropped; runthe ROLLFORWARD DATABASEcommand with the RECOVER DROPPED TABLE option to restore the appropriate table space and recover the dropped table.

4.

Which command will define the alternate diagnostic data directory path as /db2data/db2dump2?

db2set ALT_DIAGPATH=/db2data/db2dump2

db2set SECONDARY_DIAGPATH=/db2data/db2dump2

UPDATE DBM CFG USING ALT_DIAGPATH /db2data/db2dump2

UPDATE DBM CFG USING SECONDARY_DIAGPATH/db2data/db2dump2

5.

What is the MAX_LOG database configuration parameter used for?

To limit how many log files a single transaction can span. To limit the percentage of primary log space a running transaction can consume. To limit the total number of primary and secondary log files a database can consume. To limit the total number of secondary log files a transaction can consume before infinite logging is enabled.

6.

What unit of measurement is used to represent the cumulative total cost of a node in a Visual Explain access plan diagram?

CPU cycles Elapsed time, in milliseconds Processing instructions performed Timerons

7.

In IBM Data Studio, where can you schedule script-based jobs?

Job Console Job Manager Task Manager Utilities Console

8.

If the current value for self-tuning memory is: Self Tuning Memory (SELF_TUNING_MEM) = ON (Inactive) Which statement is true?

Self-tuning is occurring only on the instance memory area. The memory tuner is actively tuning the memory on the system. Self-tuning is not occurring because it is waiting for the database to be recycled. Self-tuning is not occurring because there are less than two memory consumers enabled.

9.

Where are column mask definitions stored?

In the table definition In the system catalog In the table space metadata In the database configuration file

10.

Which statement is correct when describing trusted contexts?

A trusted context defines a trust relationship for a connection between the database and an external entity. A trusted context promotes the authorization level of the connection initiator and grants them DBADMauthority. A trusted context defines a trust relationship between a user and a table allowing that user additionalcapabilities. A trusted context gives the database connection the ability to bypass auditing since authentication hasalready occurred.

IBM DB2 10.1 DBA for Linux, UNIX, and Windows Set 1

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IBM DB2 10.1 DBA for Linux, UNIX, and Windows Set 1

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