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Oracle 1Z0-042

Oracle Database 10g: Administration I

Questions and Answers : 286
Q&A Update On : December 8, 2017
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Oracle 1Z0-042

Oracle Database 10g: Administration I

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    Oracle 1Z0-042 (Oracle Database 10g: Administration I)

    Questions and Answers : 286
    Q&A Update On : December 8, 2017
    File Format : PDF
    Windows Compatibility : Windows 10/8/7/Vista/2000/XP/98
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    Oracle 1Z0-042 (Oracle Database 10g: Administration I)

    Exam Simulator Q&A : 286
    Q&A Update On : December 8, 2017
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1Z0-042 Questions and Answers

1Z0-042


Answer: A


QUESTION: 273

You have a large amount of historical data in an operating system file. Some analysts in

your organization need to query this data. The file is too large to load into your current database. Which is the most effective method to accomplish the task?


  1. Load the data into your database by using the PARALLEL clause.

  2. Use an external table so you can have the metadata available in your database, but

    leave the data in the operating system files.

  3. Give analysts DBA privilege, so that they can query DBA_EXTERNAL_TABLES.

  4. Upgrade the hardware/memory to accommodate the data.


Answer: B


QUESTION: 274

You suspect unauthorized data manipulation language (DML) operations on a particular

table. You want to track users who are performing the transactions and the values used in the transactions. Also, you plan to transfer these values to another table for analysis. How would you achieve this?


  1. by auditing all DML operations on the table

  2. by using external tables

  3. by using triggers

  4. by using anonymous PL/SQL blocks


Answer: C


QUESTION: 275

In your database, the snapshot interval is set to 10 minutes for the Automatic Workload

Repository (AWR). The database instance is running for the past 30 days.View the Exhibit to examine the Automatic Database Diagnostic Monitor (ADDM) task.


The ADDM task is performed every 10 minutes, except the last task. What could be the reason for this?


  1. The snapshot retention period for the AWR was increased before the last task.

  2. The optimizer statistics for few objects in the database were locked before the last task.

  3. The STATISTICS_LEVEL initialization parameter was changed to BASIC and reset to TYPICAL before the last task.

  4. The optimizer statistics was collected manually by using the DBMS_STATS package before the last task.


Answer: C


QUESTION: 276

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.)


  1. An error is reported and tablespace creation fails.

  2. Data files belonging to the USERS tablespace cannot be renamed.

  3. Data files are created with names generated by the instance.

  4. The tablespace has two data files.

  5. The tablespace can be extended without specifying the data file.


Answer: C,E


QUESTION: 277

Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client while connecting to the database instance from a remote machine?


  1. directory naming method

  2. host naming method

  3. local naming method

  4. external naming method


Answer: C


QUESTION: 278

You executed the following command to export the EMPLOYEES table from a remote machine:

$ EXPDP hr/hr@data.us.oracle.com DUMPFILE=my_dir:exp_hr.log

LOGFILE=data_pump_dir:log_hr.log TABLES=employees

What would be the outcome of this command?


  1. The command would execute successfully. But log file would not be created as DATA_PUMP_DIR directory is only accessible to user with SYSDBA privilege.

  2. The command fails with an error because DATA_PUMP_DIR directory have higher

    precedence over the per-file directory.

  3. The command fails with an error because no absolute path is specified for log file and

    dumpfile.

  4. The command would execute successfully and the export dump file would be created

in the destination of the directory object MY_DIR.


Answer: D


QUESTION: 279

Which three statements are true regarding the fine-grained auditing (FGA)? (Choose

three.)


  1. FGA audits DELETE statements only when audit columns are specified.


  2. The audit trail for FGA is stored in the FGA_LOG$ table.

  3. FGA enables a SQL predicate to define when to audit an event.

  4. FGA is possible on SELECT statements only.

  5. FGA includes the SQL statement used by the user as part of the audit event entry.

  6. The audit trail for FGA is stored in the AUD_LOG$ table.


Answer: B,C,E


QUESTION: 280

Which two statements are true about simple views? (Choose two.)


  1. Views can be created on the basis of more than one table.

  2. Data manipulation language (DML) operations cannot be performed on views.

  3. Views can be created as read only.

  4. Views are data segments like tables.


Answer: A,C


QUESTION: 281

Which two statements are true about a bitmap index? (Choose two.)


  1. It has a bitmap segment for each distinct value in the key column, containing a string of bits in which each bit represents the presence or absence of a key column value.

  2. Updating the key column locks the whole bitmap segment that contains the bit for the

    key value to be updated.

  3. It is recommended for the columns that have unique values.

  4. It can be converted to a B-tree index by using the ALTER INDEX command.


Answer: A,B


QUESTION: 282

Your database is configured with the following parameters related to SGA:

SGA_TARGET=256MB SHARED_POOL_SIZE=32MB DB_CACHE_SIZE=100MB


LARGE_POOL_SIZE=0 JAVA_POOL_SIZE=0 STREAMS_POOL_SIZE=0

Which two statements are true about the configuration? (Choose two.)


  1. The SGA_TARGET value cannot be sized smaller than 100 MB.

  2. The shared pool and the default buffer pool will not be sized smaller than 32 MB and

    100 MB, respectively.

  3. The shared pool and the default buffer pool will not be sized bigger than 32 MB and

    100 MB, respectively.

  4. 124 MB (256 minus 132) of memory is available for use by all the manually and

    automatically sized components.

  5. 124 MB (256 minus 132) of memory is available for use by all the manually sized

components.


Answer: B,D


QUESTION: 283

In which situation would you use the Oracle Shared Server configuration?


  1. when performing backup and recovery operations using Oracle Recovery Manager

  2. in an online transaction processing (OLTP) system where large number of client

    sessions are idle most of the time

  3. when performing export and import using Oracle Data Pump

  4. when performing batch processing and bulk loading operation in a data warehouse environment


Answer: B


QUESTION: 284

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.)


  1. The database remains opened and you have to shut it down with the ABORT option.

  2. The database can be restored till the point of the last closed whole database backup.


  3. The database can be recovered by restoring the control files from the backup.

  4. The instance aborts.

  5. The database cannot be recovered.


Answer: B,D


QUESTION: 285

You scheduled a backup by using the Schedule Backup option in Oracle Enterprise

Manager. Which statement about the script created by Oracle Enterprise Manager is true?


  1. It is a Recovery Manager (RMAN) script.

  2. It is an operating system (OS) file.

  3. It is a PL/SQL file.

  4. It is a SQL script.


Answer: A


QUESTION: 286

Which three pieces of information are considered while deciding the size of the undo tablespace in your database? (Choose three.)


  1. the size of an undo block

  2. the size of the redo log files

  3. the size of the database buffer cache

  4. the value of the UNDO_RETENTION parameter

  5. undo blocks generated per second


Answer: A, D, E

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