1Z0-055 | Far out Oracle 1Z0-055 braindumps
Q81. Which three actions are required to configure the Flashback Database? (Choose three.)
A. set Flash Recovery Area
B. enable Flashback logging
C. create FLASHBACK tablespace
D. start the database in the ARCHIVELOG mode
E. start the database in the NOARCHIVELOG mode
Answer: A,B,D
Q82. While deploying a new application module, the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced. Which two statements describe the consequences? (Choose two.)
A. The plan baselines can be evolved over time to produce better performance.
B. The newly generated plans are directly placed into the SQL plan baseline without being verified.
C. The new SQL statements initially run with the plans that are known to produce good performance under standard test configuration.
D. The optimizer does not generate new plans for the SQL statements for which the SQL plan baseline has been imported.
Answer: A,C
Q83. Which client requests to the database can be captured as a part of the workload capture? (Choose all that apply.)
A. flashback query
B. distributed transactions
C. logging in and logging out of sessions
D. all DDL statements having bind variables
E. direct path load of data from external files
Answer: C,D
Q84. Which three statements correctly describe the features of the I/O calibration process? (Choose three.)
A. Only one I/O calibration process can run at a time.
B. It automates the resource allocation for the Automated Maintenance Tasks.
C. It improves the performance of the performance-critical sessions while running.
D. It can be used to estimate the maximum number of I/Os and maximum latency time for the system.
E. The latency time is computed only when the TIMED_STATISTICS initialization parameter is set to TRUE.
Answer: A,D,E
Q85. The Oracle Database 11g database is running in the ARCHIVELOG mode. The archived redo log files are stored on three locations. The Flash Recovery Area is one of the locations. The details are given below:
LOG_ARCHIVE_DEST_1 = 'LOCATION = /disk1/archive'
LOG_ARCHIVE_DEST_2 = 'SERVICE = stdb1'
DB_RECOVERY_FILE_DEST = '/u01/oradata'
Examine the following RMAN command issued to set the deletion policy for archived log files:
RMAN> CONFIGURE ARCHIVELOG DELETION POLICY
TO BACKED UP 2 TIMES TO sbt;
Which statement is true regarding what this command accomplishes?
A. All archived redo log files backed up at least twice to tape are deleted.
B. All archived redo log files backed up at least once to tape are eligible for deletion.
C. All archived redo log files backed up at least twice to tape are deleted from the flash recovery area.
D. All archived redo log files in local archiving destinations and the flash recovery area backed up at least twice to tape are eligible for deletion.
Answer: D
Q86. In which situations will the ASM metadata backup help you recover the ASM disk in a disk group? (Choose all that apply.)
A. when one or more disks in an ASM disk group are lost
B. when the data file on an ASM disk group gets corrupted
C. when one of the disks in a disk group is accidentally unplugged
D. when one or more file directory paths are accidentally deleted from an ASM disk group
Answer: A,D
Q87. You have 100 segments in the USERS tablespace. You realize that the USERS tablespace is running low on space. You can use Segment Advisor to _____.
A. identify the segments that you should shrink
B. modify the storage parameters for the tablespace
C. automatically shrink the segments with unused space
D. check the alerts generated for the tablespace that is running low on space
Answer: A
Q88. You have three temporary tablespace groups named G1, G2, and G3 in your database.
You are creating a new temporary tablespace as follows: CREATE TEMPORARY TABLESPACE TEMP1 TEMPFILE '/u1/data/temp1.dbf' SIZE 10M TABLESPACE GROUP ''
Which statement regarding the above command is correct?
A. It will create the tablespace TEMP1 in group G1.
B. It will create the tablespace TEMP1 in group G3.
C. It will not add the tablespace TEMP1 to any group.
D. It will create the tablespace TEMP1 in the default group.
Answer: C
Q89. You are using Recovery Manager (RMAN) to perform backups. In which three situations would you perform a compressed backup? (Choose three.)
A. You are backing up to tape and your tape device performs its own compression.
B. You are making image copies, and you have not enabled tablespace compression.
C. You are using disk-based backups and disk space in your Flash Recovery Area, or other disk-based backup destinations are limited.
D. You are performing your backups to some device over a network where reduced network bandwidth is more important than CPU usage.
E. You are using some archival backup media, such as CD or DVD, where reducing backup sizes saves media costs and archival storage.
Answer: C,D,E
Q90. You plan to collect the Automatic Workload Repository (AWR) data every Monday morning for a month. You want Oracle Database to automatically create a baseline every Monday and remove the old baseline. What is the correct action to achieve this?
A. Create a repeating baseline template.
B. Insert a finding directive for future ADDM tasks.
C. Create and populate a SQL Tuning Set from the AWR on every Monday.
D. Change the RETENTION setting for the AWR snapshots to 7 days on Monday.
Answer: A