ORACLE - ACCURATE 1Z0-083 - ORACLE DATABASE ADMINISTRATION II PASS4SURE PASS GUIDE

Oracle - Accurate 1Z0-083 - Oracle Database Administration II Pass4sure Pass Guide

Oracle - Accurate 1Z0-083 - Oracle Database Administration II Pass4sure Pass Guide

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Oracle Database Administration II Sample Questions (Q227-Q232):

NEW QUESTION # 227
Choose two You upgrade your database from pre-12c to a multitenant container database (CDB) that contains pluggable databases (PDBs). Examine the query and its output: SQL> SELECT * FROM v $PWFILE_users; USERNAME SYSDB SYSOP SYSAS SYSBA SYSDG SYSKM CON_ID ------------------------------------------------------------------------SYS TRUE TRUE FALSE FALSE FALSE FALSE 0 Which two tasks must you perform to add users with the SYSBACKUP, SYSDG, and SYSKM prileges to the password file?

  • A. Assign appropriate operating system groups to SYSBACKUP, SYSDG, and SYSKM.
  • B. Grant the SYSBACKUP, SYSDG, and SYSKM privileges to the intended users.
  • C. Copy the password file from a sample file in the DBS dierectory
  • D. Re-create or migrate the password file to the Oracle Database 12c format

Answer: B,D


NEW QUESTION # 228
While backing up to the Oracle Fast Recovery Area (FRA), you determined the backup istaking too long and suspect a performance bottleneck. Which three are true about diagnosing and tuning these problems? (Choose three.)

  • A. Data files with a high value in V$BACKUP_ASYNC_IO.SHORT_WAITS are a potential performance bottleneck when asynchronous I/O is used.
  • B. If an RMAN BACKUP VALIDATE command takes noticeably lessthan an actual backup, then write I/O is a likely bottleneck.
  • C. If an RMAN BACKUP VALIDATE command takesroughly the same time as an actual backup, then read I/O is a likely bottleneck.
  • D. Setting DBWR_IO_SLAVES to a non zero value can improve backup performance when using asynchronous I/O/
  • E. Data files with a high value in V$BACKUP_SYNC_IO.DISCRETE_BYTES_PER_SECOND are a potential performance bottleneck when synchronous I/O is used.
  • F. If an RMAN BACKUP VALIDATE command takesroughly the same time as an actual backup, then both read and write I/O are likely bottlenecks.
  • G. Setting DBWR_IO_SLAVES to a non zero value can improve backup performance when using synchronous I/O.

Answer: B,E,G


NEW QUESTION # 229
Which three are true about requirements for various FLASHBACK operations? (Choose three.)

  • A. FLASHBACK drop requires undo to retrieve all versions of a row that existed two points in time.
  • B. FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time.
  • C. FLASHBACK version query requires that the RECYCLEBIN parameter be set to ON.
  • D. FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.
  • E. FLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked.
  • F. FLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.

Answer: B,D,F


NEW QUESTION # 230
You plan to perform cross-platform PDB transport using XTTS.
Which two are true? (Choose two.)

  • A. The source PDB must be in MOUNT state.
  • B. A backup of the PDB must exist, taken using the BACKUP command with the TO PLATFORM clause.
  • C. The source PDB must not be an application root.
  • D. The source PDB can be in MOUNT or OPEN state.
  • E. The source and target platforms must have the same endianness.
  • F. Automatic conversion of endianness occurs.

Answer: D,E


NEW QUESTION # 231
Which three are true about Optimizer Statistics Advisor? (Choose three.)

  • A. It runs automatically every night by default.
  • B. It is part of the DBMS_ADVISOR package.
  • C. It is part of the DBMS_STATS package.
  • D. It can recommend changes to improve the statistics gathering process.
  • E. It can be run only manually.
  • F. It always analyzes all schemas in the database.

Answer: A,C,D


NEW QUESTION # 232
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