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Oracle database 10g:Administration I Sample Questions:

1. When you try to start the Database Control by using the emctl start dbconsole command the following error is displayed:
TZ set to America/New_york
OC4J Configuration issue. /u01/app/oracle/product/10.1.0/db_1/oc4j/j2ee/OC4J_DBConsole_orcl.us.oracle.com not found.
Which two environment variables do you need to set appropriately to avoid such errors, and start the Database Control successfully? (Choose two.)

A) ORACLE_BASE
B) ORACLE_SID
C) NLS_LANG
D) LD_LIBRARY_PATH
E) ORACLE_HOME

2. Your alert log file has the following information:
Tue May 25 17:43:38 2004
ORA-00060: Deadlock detected. More info in file /u01/app/oracle/admin/ORCL/udump/orcl_ora_3173.trc.
What would you do to ensure that database is still running correctly?

A) examine the trace file for details and ask the user who caused the deadlock to roll back the transaction
B) examine the trace file and kill the session that caused the deadlock
C) examine the trace file and kill both the sessions responsible for the deadlock
D) examine the trace file for details and remember that deadlocks are resolved automatically by Oracle database
E) examine the trace file for details and use the Undo Advisor to rollback the transaction that caused the deadlock

3. You executed the following command to back up your control file:
ALTER DATABASE BACKUP CONTROLFILE TO TRACE;
Which initialization parameter is used to specify the location of the trace file?

A) USER_DUMP_DEST
B) CORE_DUMP_DEST
C) TRACE_DUMP_DEST
D) BACKUP_DUMP_DEST
E) BACKGROUND_DUMP_DEST

4. Your test database is running in NOARCHIVELOG mode. What are the implications of this?

A) You can perform open database backups.
B) You can perform closed database backups.
C) You cannot perform schema-level logical backups.
D) You can perform the backup of only the SYSTEM tablespace when the database is open.

5. You executed the following command to start the database:
SQL> STARTUP ORACLE instance started.
Total System Global Area 281018368 bytes
Fixed Size
789000 bytes
Variable Size
229635576 bytes
Database Buffers
50331648 bytes
Redo Buffers
262144 bytes
ORA-00205: error in identifying controlfile, check alert log for more info
Which view would you query at this stage to investigate this missing control file?

A) V$CONTROLFILE_RECORD_SECTION
B) V$INSTANCE
C) V$DATABASE_PROPERTIES
D) V$CONTROLFILE
E) DBA_CONTROL_FILES

Solutions: