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Q1. You are administering a database stored in Automatic Storage Management (ASM). You use RMAN to back up the database and the MD_BACKUP command to back up the ASM metadata regularly. You lost an ASM disk group DG1 due to hardware failure. In which three ways can you re-create the lost disk group and restore the data? A. Use the MD_RESTORE command…
Q1. Which two statements correctly describe the relationship between data files and logical database structures? A. A segment cannot span data files. B. A data file can belong to only one tablespace. C. An extent cannot span data files. D. The size of an Oracle data block in a data file should be the same as the size of an OS block. View AnswerAnswer: B,C Reference:…
Q1. Examine the memory-related parameters set in the SPFILE of an Oracle database: memory_max_target—6G memory_target=5G pga_aggregate_target=500M sga_max_size=0 sga_target=0 Which statement is true? A. Only SGA components are sized automatically-B. Memory is dynamically re-allocated between the SGA and PGA as needed. C. The size of the PGA cannot grow automatically beyond 500 MB. D. The value of the MEMORY_TARGET parameter cannot be changed dynamically. View AnswerAnswer: C Q2.…
Q1. Which four actions are possible during an Online Data file Move operation? A. Creating and dropping tables in the data file being moved B. Performing file shrink of the data file being moved C. Querying tables in the data file being moved D. Performing Block Media Recovery for a data block in the data file being moved E. Flashing back the database F. Executing DML…
Q1. Which Oracle Database component is audited by default if the unified Auditing option is enabled? A. Oracle Data Pump B. Oracle Recovery Manager (RMAN) C. Oracle Label Security D. Oracle Database Vault E. Oracle Real Application Security View AnswerAnswer: B Q2. On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command: $>…
Q1. Your multitenant container database (CDB) contains some pluggable databases (PDBs), you execute the following command in the root container: Which two statements are true? A. Schema objects owned by the C# # A_ADMIN common user can be shared across all PDBs. B. The C # # A_ADMIN user will be able to use the TEMP_TS temporary tablespace only in root. C. The command…
Q1. Examine the current value for the following parameters in your database instance: SGA_MAX_SIZE = 1024M SGA_TARGET = 700M DB_8K_CACHE_SIZE = 124M LOG_BUFFER = 200M You issue the following command to increase the value of DB_8K_CACHE_SIZE: SQL> ALTER SYSTEM SET DB_8K_CACHE_SIZE=140M; Which statement is true? A. It fails because the DB_8K_CACHE_SIZE parameter cannot be changed dynamically. B. It succeeds only if memory is available from the autotuned components if…
Q1. You support Oracle Database 12c Oracle Database 11g, and Oracle Database log on the same server. All databases of all versions use Automatic Storage Management (ASM). Which three statements are true about the ASM disk group compatibility attributes that are set for a disk group? A. The ASM compatibility attribute controls the format of the disk group metadata. B. RDBMS compatibility together with…
Q1. Which task would you recommend before using the Database Upgrade Assistant (DBUA) to upgrade a single-instance Oracle 11g R2 database to Oracle Database 12c? A. shutting down the database instance that is being upgraded B. executing the catctl.pl script to run the upgrade processes in parallel C. running the Pre-Upgrade Information Tool D. copying the listener.ora file to the new ORACLE_HOME View AnswerAnswer: C Reference:…
Q1. Identify three valid methods of opening, pluggable databases (PDBs). A. ALTER PLUGGABLE DATABASE OPEN ALL ISSUED from the root B. ALTER PLUGGABLE DATABASE OPEN ALL ISSUED from a PDB C. ALTER PLUGGABLE DATABASE PDB OPEN issued from the seed D. ALTER DATABASE PDB OPEN issued from the root E. ALTER DATABASE OPEN issued from that PDB F. ALTER PLUGGABLE DATABASE PDB OPEN issued from another…
Q1. Examine the parameters for your database instance: NAMETYPE VALUE undo_management string AUTO undo_retentioninteger 12 00 undo_tablespace string UNDOTBS1 You execute the following command: SQL> ALTER TABLESPACE undotbs1 RETENTION NOGUARANTEE; Which statement is true in this scenario? A. Undo data is written to flashback logs after 1200 seconds. B. Inactive undo data is retained for 1200 seconds even if subsequent transactions fail due to lack of space in the…
Q1. You execute the following commands to audit database activities: SQL > ALTER SYSTEM SET AUDIT_TRIAL=DB, EXTENDED SCOPE=SPFILE; SQL > AUDIT SELECT TABLE, INSERT TABLE, DELETE TABLE BY JOHN By SESSION WHENEVER SUCCESSFUL; Which statement is true about the audit record that generated when auditing after instance restarts? A. One audit record is created for every successful execution of a SELECT, INSERT OR DELETE…