1Z0-083資格勉強、1Z0-083的中率

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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Objectives
Topic 1: Performance Management	- Automatic Workload Repository (AWR) and diagnostics - SQL performance tuning
Topic 2: Security Management	- Database auditing and encryption - User management and privileges
Topic 3: Storage and Space Management	- Segment management - Tablespaces and datafiles
Topic 4: Database Architecture and Administration	- Oracle Database architecture components - Multitenant container database (CDB/PDB) concepts
Topic 5: Database Backup and Recovery	- Database recovery techniques - RMAN configuration and backup strategies

>> 1Z0-083資格勉強 <<

1Z0-083試験の準備方法｜信頼できる1Z0-083資格勉強試験｜最高のOracle Database Administration II的中率

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Oracle Database Administration II 認定 1Z0-083 試験問題 (Q125-Q130):

質問 # 125
Choose three. Which three are true about recovery operations done without using Recovery Manager (RMAN)?

A. A lost password file can be re-created with SQL*PLUS.
B. A lost index tablespace can be re-created without performing any recovery.
C. A lost password file can be manually re-created with the orapwd utility.
D. A lost SPFILE can be recovered from memory using SQL*PLUS.
E. A lost TEMPFILE must always be re-created manually.
F. A lost PFILE can be re-created from alert.log using SQL*PLUS.

正解：C、D、E

質問 # 126
Which three are true about Oracle Grid Infrastructure for a Standalone Server?

A. It requires the operating sys em oracle_base environment variable to be predefined before installation.
B. It includes both Oracle Restart and Oracle Automatic Storage Management (ASM) software.
C. Automatic Storage Management (ASM) requires that O/S groups OSASM and OSDBA be assigned as secondary groups for its installation owner.
D. It creates one disk group during installation.
E. It requires Oracle ASMLibto manage Automatic Storage Management (ASM) disks.
F. It requires Oracle ASM Filter Driver (ASMFD) to manage Automatic Storage Management (ASM) disks.

正解：B、D、F

質問 # 127
A database is configured in ARCHIVELOG mode.
A full RMAN backup exists but no control file backup to trace has been taken. A media failure has occurred.
In which two scenarios is incomplete recovery required? (Choose two.)

A. after losing all members of the CURRENT online redo log group
B. after losing all copies of the control file
C. after losing a SYSAUX tablespace data file
D. after losing an UNDO tablespace that is in use
E. after losing all members of an INACTIVE online redo log group

正解：A、B

質問 # 128
Which three capabilities require the use of the RMAN recovery catalog? (Choose three.)

A. using the KEEP FOREVER clause with the BACKUP command
B. creating customized reports about a single database's backups
C. using the REPORT SCHEMA command to list a database's current data files and tablespaces
D. creating encrypted backups
E. using the REPORT SCHEMA command to list a database's data files and tablespaces at times in the past
F. using RMAN stored scripts

正解：A、E、F

解説：
A is correct:
https://docs.oracle.com/en/database/oracle/oracle-database/19/rcmrf/keepOption.html
"Specifies that the backup or copy never becomes obsolete (see Example 2-27). A recovery catalog is required when FOREVER is specified because the backup records eventually age out of the control file." B is correct:
https://docs.oracle.com/database/121/RCMRF/rcmsynta013.htm
"Execute CREATE SCRIPT only at the RMAN prompt. RMAN must be connected to a target database and a recovery catalog." F is correct:
https://docs.oracle.com/en/database/oracle/oracle-database/19/rcmrf/REPORT.html
"atClause
This subclause specifies a point in time as a time, SCN, or log sequence number. You must be connected to a recovery catalog when issuing a REPORT SCHEMA command with an AT clause."

質問 # 129
Which two are true about Oracle instance recovery? (Choose three.)

A. Recovery begins from the beginning of the CURRENT redo log group.
B. Recovery begins from the last checkpoint position that was recorded in the control file by the checkpoint process (CKPT).
C. Recovery begins from the last checkpoint position that was calculated by the Database Writer before instance failure.
D. Recovery reads redo until the end of the redo thread, and then opens the database. SMON then rolls back any dead transactions.
E. Recovery reads redo until the end of the redo thread. SMON rolls back any dead transactions, and then the datanase is opened.
F. Recovery begins from the start of any ACTIVE redo log group or the start of the CURRENT log group if no other group is ACTIVE.

正解：C、E

質問 # 130
......

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