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2021 Jan 1z0-053 braindumps:
Q81. Which three statements must be true before transporting a tablespace from a database on one platform to a database on another platform? (Choose three.)
A. Both source and target database must be the same character set
B. Both source and target database must have the same endian format
C. The COMPATIBLE parameter must be the same in the source and target databases.
D. The minimum compatibility level for both the source and target database must be 10.0.0.
E. All read-only and offline data files that belong to the tablespace to be transported must be platform aware.
Answer: ABD
Q82. What is the purpose of the until change option of the restore command?
A. It allows you to select the SCN that you want to restore to.
B. It allows you to select the log sequence number you want to restore to.
C. It allows you to select the timestamp you want to restore to.
D. It allows you to manually stop the restore at any time as online redo logs are applied.
E. None of the above.
Answer: A
Q83. You have lost all your SYSTEM tablespace datafiles (system_01.dbf and system_02.dbf) nd the database has crashed. What would be the appropriate order of operations to correct the situation?
a. Mount the database with the startup mount command.
b. Take the SYSTEM datafile offline with the alter database command.
C. Restore the SYSTEM_01.dbf datafile from backup media with the required archived redo logs.
D. Restore all SYSTEM tablespace ~elated datafiles from backup media.
e. Issue the recover tablespace SYSTEM command.
f. Issue the recover datafile SYSTEM_01.dbf command.
g. Open the database with the alter database open command.
h. Open the database with the alter database open resetlogs command.
A. a, c, f, g
B. b, d, e, h
C. a, b, c, f, g
D. d, a, e, g
E. b, c, f, e, g
Answer: D
Q84. Which statements are true regarding the Query Result Cache? (Choose all that apply.)
A. It can be set at the system, session, or table level.
B. It is used only across statements in the same session.
C. It can store the results from normal as well as flashback queries.
D. It can store the results of queries based on normal, temporary, and dictionary tables.
Answer: AC
Q85. View the Exhibit for some of the parameter settings.
You start a session and issue the following command:
SQL>CREATE INDEX emp_ename ON emp(ename)
TABLESPACE users INVISIBLE;
What is the outcome of the above command?
A. The index is not used by the optimizer but is maintained during DML operations.
B. The index is not used by the optimizer and is not maintained during DML operations.
C. The index is used by the optimizer only if a hint is specified in the query statement and is maintained during DML operations.
D. The index is used by the optimizer only if a hint is specified in the query statement but is not maintained during DML operations.
Answer: A
Most recent 1z0-053 valid dump:
Q86. Which tasks can be accomplished using the DBMS_LOB. SETOPTIONS procedure?
A. only encryption and compression settings for all SecureFile LOBs
B. only encryption and deduplication settings for only SecureFile CLOBs
C. deduplication, encryption, and compression settings for all SecureFile LOBs
D. deduplication, encryption, and compression settings only for SecureFile CLOBs
Answer: C
Q87. Which statements are true regarding the creation of an incident package file by using the EM Workbench Support? (Choose all that apply.)
A. You can add or remove the trace files to the package.
B. You can create the incremental incident package ZIP file for new or modified diagnostic information for the incident package already created.
C. You can add SQL test cases to the incident package.
D. You cannot create an incremental incident package when the physical files are purged rom the ADR.
Answer: ABC
Q88. How many database instances are used during a database-duplication process?
A. One
B. Two
C. Three
D. Four
E. Five
Answer: B
Q89. The database is configured in ARCHIVELOG mode and regular complete database backups are taken. The loss of which two types of files may require a recovery with the RESETLOGS option? (Choose two)
A. Control files
B. Password files
C. Inactive online redo log file
D. Archived log files required to perform recovery
E. Newly created tablespace which is not backed up
Answer: AD
Q90. You have lost all your online redo logs. As a result, your database has crashed. You have tried to restart the database and clear the online redo log files, but when you try to open the database you get the following error.
SQL> startup
ORACLE instance started.
Total System Global Area 167395328 bytes
Fixed Size 1298612 bytes
Variable Size 142610252 bytes
Database Buffers 20971520 bytes
Redo Buffers 2514944 bytes
Database mounted.
ORA-00313: open failed for members of log group 2 of thread 1
ORA-00312: online log 2 thread 1: `/oracle01/oradata/orcl/redo02a.log'
ORA-27037: unable to obtain file status
Linux Error: 2: No such file or directory
Additional information: 3
ORA-00312: online log 2 thread 1: `/oracle01/oradata/orcl/redo02.log'
ORA-27037: unable to obtain file status
Linux Error: 2: No such file or directory
Additional information: 3
SQL> alter database clear logfile group 2;
alter database clear logfile group 2
*
ERROR at line 1:
ORA-01624: log 2 needed for crash recovery of instance orcl (thread 1)
ORA-00312: online log 2 thread 1: `/oracle01/oradata/orcl/redo02.log'
ORA-00312: online log 2 thread 1: `/oracle01/oradata/orcl/redo02a.log'
What steps must you take to resolve the error?
a. Issue the recover database redo logs command.
b. Issue the Startup Mount command to mount the database.
c. Restore the last full database backup.
d. Perform a point-in-time recovery, applying all archived redo logs that are available.
e. Restore all archived redo logs generated during and after the last full database backup.
f. Open the database using the alter database open resetlogs command.
g. Issue the alter database open command.
A. b, a, f
B. e, b, a, f
C. e, b, a, g
D. b, a, g
E. c, e, b, d, f
Answer: E