Your production database is running in archivelog mode and you are using recovery manager (RMAN) with recovery catalog to perform the database backup at regular intervals. When you attempt to restart the database instance after a regular maintenance task on Sunday, the database fails to open displaying the message that the data file belonging to the users tablespace are corrupted. The steps to recover the damaged data files are follows: 1. Mount the database 2. Open the database 3. Recover the data file 4. Restore the data file 5. Make the data file offline 6. Make the data file online Which option identifies the correct sequence that you must use to recover the data files?()
第1题:
You notice that the performance of your production 24/7 Oracle database significantly degraded.Sometimes you are not able to connect to the instance because it hangs. You do not want to restart thedatabase instance.How can you detect the cause of the degraded performance?()
A. Enable Memory Access Mode, which reads performance data from SGA.
B. Use emergency monitoring to fetch data directly from SGA analysis.
C. Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots.
D. Use Active Session History (ASH) data and hang analysis in regular performance monitoring.
E. Run ADDM in diagnostic mode.
第2题:
You have created a script in the recovery catalog called backup_database. Which of the following commands would successfully execute that script?()
第3题:
You realize that the control file is damaged in your production database.After restoring the control file from autobackup, what is the next step that you must do to proceed with the database recovery?()
第4题:
Automatic Shared Memory Management is disabled for your database instance. You realize that thereare cases of SQL statements performing poorly because of repeated parsing activity, resulting indegradation of performance. What would be your next step to improve performance? ()
第5题:
You work as a database administrator at Certkiller .com. In your production database there is a job, CALC_STAT, which has been scheduled to run every Friday at 5.00 p.m. CALC_STATupdates the optimizer statistics for the objects owned by the APPSschema. You want the task to be generic, thereby allowing users to modify the attributes of the task at run time without affecting the original task.Which component of Oracle Scheduler must you define to achieve this?()
第6题:
ARCHIVELOG mode.
NOARCHIVELOG mode.
Open database backups.
Consistent whole backups.
第7题:
mount the new disk group in the ASM instance
restart the ASM instance and the production database instance
register the new disk groups in the production database instance
restart the ASM instance without restarting the production database instance
include the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance
第8题:
mount the new disk group in the ASM instance
restart the ASM instance and the production database instance
register the new disk groups in the production database instance
restart the ASM instance without restarting the production database instance
include the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance
第9题:
You must have started the database instance in restricted mode.
You must have started the database instance inNORMALmode.
You must have started the database instance with server parameter file.
You must have started the database instance but must not have mounted.
You must have started the database instance but must not have opened.
第10题:
Open the database in NORMAL mode
Open the database in read-only mode
Open the database in RESTRICTED mode
Open the database with the RESETLOGS option
第11题:
using only the RMAN SWITCH command to set the new location for the data file
placing the database in the MOUNT state for the restore and recovery operations.
using an RMAN RUN block with the SET NEWNAME and then the SWITCH command.
configuring two channels: one for the restore operation and the other for the recovery operation
第12题:
Reregistering the target database in recovery catalog
Transporting the new tablespaces to the recovery catalog database
Syncronizing the recovery catalog with the target database control file
Performing a fresh backup of the target database to include the new data files in the catalog database
第13题:
A staging server is critical for an administrator to test updates without introducing risk into a production environment. Which of the following steps should an administrator take to test on a staging server?()
第14题:
You are maintaining your production database in Oracle10g. You want the circular reuse records in the control file of the target database to be reused as required. Which value will you set for the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter?()
第15题:
Automatic Shared Memory Management is disabled for your database instance. You realize that there arecases of SQL statements performing poorly because of repeated parsing activity, resulting in degradation ofperformance. What would be your next step to improve performance()
第16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?()
第17题:
Create a new Mailbox Recovery Database, restore a backup of the database file, and then run the Export-Mailbox cmdlet.
Create a new Mailbox Recovery Database, restore a backup of the database file, and then run the Restore-Mailbox cmdlet.
Create a database availability group (DAG), restore a backup of the mailbox database file, and then run the Restore-Mailbox cmdlet.
Create a database availability group (DAG), restore a backup of the mailbox database file, and then run the Export-Mailbox cmdlet.
第18题:
Reregistering the target database in recovery catalog
Transporting the new tablespaces to the recovery catalog database
Syncronizing the recovery catalog with the target database control file
Performing a fresh backup of the target database to include the new data files in the catalog database
第19题:
Window
Program
Job class
Window group
第20题:
configure the database to run in ARCHIVELOG mode
configure the Flash Recovery Area to enable automatic database backup
schedule the database backup using DBMS_JOB package after creating the database
schedule the database backup using Recovery Manager (RMAN)commands after creating the database
schedule the database backup using Database Configuration Assistant (DBCA)while creating the database
第21题:
Schedule the full backups to run after the nightly index is rebuilt.
Schedule the full backup to run before the nightly index is rebuilt. Schedule a differential backup to run after the nightly index is rebuilt.
Schedule an additional transaction log backup to run after the nightly index is rebuilt.
Schedule a marker to be added to the transaction log before the nightly index is rebuilt.
第22题:
Only the SET command must be within a RUN block.
All commands should be executed at the RMAN prompt.
All three commands must be within a single RUN block.
Only the RESTORE and RECOVER commands must be within a single RUN block.
第23题:
Window
Program
Job class
Window group