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Which two statements are true about ASM default templates?
A. Default data file templates are only created by ASM when a normal redundancy disk group is created.
B. Default template settings for redundancy depends on the disk group redundancy.
C. Default templates for a disk group can be modified.
D. Default template setting for striping depends on disk group redundancy.
E. Templates may be shared across disk groups.
Correct Answer: AB
Default template settings depend on the disk group type. The default template for data files for a normal redundancy.
You are developing a user callout procedure to send an email to the helpdesk whenever a RAC database instance fails to restart after node failure. Examine these tasks (see exhibit):
Identify the minimum steps required, in the correct sequence, to implement this.
A. 1, 3, 7
B. 1, 4, 6
C. 2, 5, 8
D. 2, 4, 7, 8
E. 2, 4, 7
F. 1, 4, 7, 8
Correct Answer: F
FAN callouts are server-side executables that Oracle Restart executes immediately when high availability events occur.
You can use FAN callouts to automate the following activities when events occur, such as:
Opening fault tracking tickets
Sending messages to pagers
Starting and stopping server-side applications
Maintaining an uptime log by logging each event as it occurs
To use FAN callouts, place an executable in the directory grid_home/racg/usrco on both the primary and the standby database servers. If you are using scripts, then set the shell as the first line of the executable. The following is an example
file for the grid_home/racg/usrco/callout.sh callout:
FAN_LOGFILE= [your path name]/admin/log/`hostname`_uptime.log echo $* “reported=”`date` >> $FAN_LOGFILE and
Note: Oracle has proved options where a script or utility or application (called server side callout), if placed in $GRID_HOME/racg/usrco directory, will be executed automatically.
References: Expert Oracle RAC Performance Diagnostics and Tuning (2014), page 506 https://docs.oracle.com/cd/E18283_01/server.112/e17120/restart001.htm
PROD1, PROD2 and PROD3 are three active instances of the PROD database.
Examine these commands executed on PROD1:
SQL > ALTER SYSTEM SET PARALLEL_MIN_SERVERS=200 SCOPE=MEMORY sid=\’*\’; SQL > ALTER SYSTEM SET PARALLEL_MIN_SERVERS=100 SCOPE=MEMORY sid=\’PROD1\’;
Which statement is true?
A. PARALLEL_MIN_SERVERS will be 200 for all instances of PROD.
B. PARALLEL_MIN_SERVERS will be 100 for all instances of PROD.
C. The second statement returns an error because this parameter must be identical for all instances.
D. PARALLEL_MIN_SERVERS will be 200 for PROD2 and PROD3 and 100 for PROD1.
Correct Answer: D
First SET PARALLEL_MIN_SERVERS is set to 200 for all instances, then it is set to 100 for PROD1.
You plan to apply a patchset to a RAC database running on a two-node cluster.
The cluster has this configuration: Grid infrastructure release 126.96.36.199.0
RAC database release 188.8.131.52.0
All software installed on local file systems
The database is deployed on ASM disk groups.
Examine this list of possible tasks (see exhibit). Exhibit:
Identify the required tasks in the correct order to apply the patchset with the least amount of down time.
A. 1, 3, 2, 5 and 8
B. 3, 2, 5 and 8
C. 1, 2, 3, 5 and 8
D. 3, 2, 6 and 8
E. 3, 2, 5, 2 and 8
Correct Answer: C
Examine this command:
SQL> CREATE PLUGGABLE DATABASE pdb3 FROM pdb1;
Which three conditions must be true for successful execution of this command on a RAC database? (Choose three.)
A. It can be executed only by a common user with the CREATE PLUGGABLE DATABASE system privilege connected to the root container.
B. The source PDB must use a global temporary tablespace.
C. The source PDB must be in READ ONLY mode on all CDB instances.
D. Oracle Managed Files must be enabled or PDB_FILE_NAME_CONVERT must be set.
E. All running CDB instances must be open in restricted mode.
F. The source PDB must be closed on the CDB instance from where the command is executed.
Correct Answer: DEF