Online Access Free 1Z0-048 Exam Questions

You observe a high number of gc current failure on your RAC system. What could be causing this issue?

• A.Too much manual locking is occurring.
• B.Too much parsing is occurring on your system.
• C.You are not using the correct private interconnect.
• D.There is too much contention on the High Water Mark enqueue of your tables.

Which two statements regarding Oracle Clusterware are correct? (Choose two.)

• A.The Oracle9i srvConfig.loc file still exists for backward compatibility in Oracle Database 10g.
• B.The Oracle Database 10g version of the srvConfig.loc file is the ocr.loc file.
• C.The Oracle Database 10g CRS stack is compatible with Oracle 9i Group Services (GSD) processes.
• D.The installation of Oracle Clusterware is not necessary if you have already installed vendor-specific clusterware.

Which three statements regarding backup of the voting disk are true? (Choose three.)

• A.On UNIX platforms, the voting disk can be backed up with the dd command.
• B.A backup of the voting disk should be taken whenever a new node is added to the cluster.
• C.Whenever a voting disk backup is made, the Clusterware software should be stopped on all nodes in the cluster.
• D.A backup of the voting disk should be taken whenever an existing node is removed from the cluster.
• E.A backup of the voting disk should be taken whenever an RMAN catalog reset is done.

When do you get the first notification after you execute the following command on instance
RDBA1?
execDBMS_SERVER_ALERT.SET_THRESHOLD(-
METRICSJD => dbms_server_alert.elapsed_time_per_call,
WARNINGJDPERATOR => dbms_server_alert.operator_ge,
WARNING_VALUE => 500000',
CRITICAL_OPERATOR => dbms_server_alert.operator_ge,
CRITICAL_VALUE => 750000',
OBSERVATION_PERIOD => 15,
CONSECUTIVEJDCCURRENCES => 3,
INSTANCE_NAME => 'RDBA1',
OBJECT_TYPE => dbms_server_alert.object_type_service,
OBJECT_NAME =>'ERP");

• A.when the average elapsed time per call for the ERP service over a 45-minute period exceeds
  0.5 seconds
• B.when the average elapsed time per call for the ERP service over a 45-minute period exceeds
  0.75 seconds
• C.when the average elapsed time per call for the ERP service over a 15-minute period exceeds
  0.75 seconds three consecutive times
• D.when the average elapsed time per call for the ERP service over a 15-minute period exceeds
  0.5 seconds three consecutive times

You are the administrator of a Linux-based Oracle cluster. To meet your company's disaster recovery requirements, you have to make backups of the OCR to a tape device. What are your options? (Choose all that apply.)

• A.Use the OCRCONFIG command to have CRSD write the OCR backup to tape for you.
• B.Use your favorite tape backup command to back up the physical OCR backups from disk to tape.
• C.Use RMAN to back up the OCR from disk to tape.
• D.Use your favorite tape backup command to back up the OCR from disk to tape.
• E.Use the Linux DD command to write the OCR directly to tape.