Download Oracle : 1Z0-042 Questions & Answers as PDF & Test Software
Updated: Jun 05, 2026
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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) LD_LIBRARY_PATH
C) NLS_LANG
D) ORACLE_SID
E) ORACLE_HOME
2. Which two statements about Flashback Query are true? (Choose two.)
A) It fails when undo data pertaining to the transaction is overwritten.
B) It helps in row-level recovery from user errors.
C) It can be performed to recover ALTER TABLE statements
D) The database has to be opened with the resetlogs option after performing Flashback Query.
E) It is generated by using the redo log files.
3. View this parameter setting in your database:
DB_CREATE_FILE_DEST='D:\oracle\product\10.2.0\oradata\oracle'
You created a tablespace by using this command:
CREATE TABLESPACE USERS;
Which two statements are true about the USERS tablespace? (Choose two.)
A) The tablespace has two data files.
B) The tablespace can be extended without specifying the data file.
C) An error is reported and tablespace creation fails.
D) Data files are created with names generated by the instance.
E) Data files belonging to the USERS tablespace cannot be renamed.
4. View the Exhibit and examine the output.
Which statement describes the conclusion?
A) The users should use bind variables instead of literals in the query.
B) Preparing indexes on the tables used in the SQL statements would improve the library cache performance.
C) The dictionary cache is consuming more space than the library cache.
D) The shared pool size should be increased to accommodate the SQL statements.
5. Your database is configured in NOARCHIVELOG mode. All the control files have been lost due to a hard disk failure but the data files are not lost. You have the closed whole database backup available to you. Which two statements are true in this scenario? (Choose two.)
A) The database can be restored till the point of the last closed whole database backup.
B) The database cannot be recovered.
C) The database can be recovered by restoring the control files from the backup.
D) The database remains opened and you have to shut it down with the ABORT option.
E) The instance aborts.
Solutions:
| Question # 1 Answer: D,E | Question # 2 Answer: A,B | Question # 3 Answer: B,D | Question # 4 Answer: A | Question # 5 Answer: A,E |
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