Tag: databases

Questions Related to databases

Which three features are provided by Oracle Net Services? (Choose three)
technology databases

  1. Data encryption

  2. User authentication

  3. Transparent data conversion

  4. Configuration and administration mechanisms

  5. Support for multiple network transport protocols

Show answer
Correct Option: A

what is true regarding the role Oracle Net provides in a client server connection with no middle tier? (Choose two)
technology databases

  1. Oracle Net is layered on top of the network protocol.

  2. Oracle Net must reside on both the client and the server for peer-to-peer communication to occur.

  3. On the client side, Oracle Net is responsible for working with the listener to receive incoming connection requests.

  4. On the server side, Oracle Net is responsible for several connectivity issues such as : the location of the server, whatever one or more protocol is involved in the connection, and how to handle exception and interrupts.

Show answer
Correct Option: A,B

Which three are the physical structures that constiture the Oracle database ? (Choose Three)

technology databases

  1. Control file

  2. Extent

  3. Segment

  4. Data file

  5. Log file

  6. Tablespace

Show answer
Correct Option: D

You plan to take a closed database backup using operating system commands. Which three SHUTDOWN options are appropriate for this type of backup? (Choose three)
technology databases

  1. ABORT

  2. NORMAL

  3. IMMEDIATE

  4. TRANSACTIONAL

Show answer
Correct Option: B

Which three initialization parameters are no longer needed when FAST_START_MTTR_TARGET is defined? (Choose three)
technology databases

  1. TARGET_REDO_BLKS

  2. FAST_START_IO_TARGET

  3. LOG_CHECKPOINT_TIMEOUT

  4. RECOVERY_ESTIMATED_IOS

  5. LOG_FILE_SIZE_REDO_BLKS

  6. LOG_CHECKPOINT_INTERVAL

Show answer
Correct Option: B

When an oracle Instance is started, background process are started. Background processes perform which two functions ? (Choose two)

technology databases

  1. Perform I/O

  2. Lock rows that are not data dictionary rows

  3. Monitor other Oracle processes

  4. Connect users to the Oracle instance

  5. Execute SQL statments issued through an application

Show answer
Correct Option: A

Which two roles or privileges must you have to export tables owned by another user? (Choose two)
technology databases

  1. CREATE USER

  2. CREATE SESSION

  3. CREATE ANY TABLE

  4. IMP_FULL_DATABASE

  5. EXP_FULL_DATABASE

Show answer
Correct Option: B

SQL> CREATE TABLESPACE user_data EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO; Which twp assumptions must be true for this statement to execute successfully ? (Choose two)

technology databases

  1. Oracle Managed Files used for this instance.

  2. The USER_DATA tablespace in managed using FET$/UET$ tables.

  3. The COMPATIBLE intialization paramter must be 9.0.0 or higer.

  4. Space within segments is the USER_DATA tablespace is managed with freelists.

Show answer
Correct Option: A

The database is running in NOARCHIVELOG mode. A data file is lost. Which two are valid options for recover ? (Choose two)

technology databases

  1. Restore the data file and perform incomplete recovery.

  2. Restore the data file and perform point-in-time recover.

  3. Drop the tablespace and lose all data in the tablespace.

  4. Restore the database and lose all data since the last backup.

Show answer
Correct Option: C

Which two statments regarding the control file and Recover Manager are true ? (Choose two)

technology databases

  1. The control file can grow in size.

  2. The control file can store RMAN scripts.

  3. CONTROL_FILE_RECORD_KEEP_TIME determine retention time for RMAN records.

  4. The RMAN catalog can exist solely in the control file of the target database.

Show answer
Correct Option: C