SAP TADM51 Question with Answers for SAP Interview for SAP Certification

Here are some interview questions with answers from SAP Book TADM51 this book is very good for SAP Certification

1 - Is data written to the Oracle transaction logs (redo logs) before or after the information is written in the database files?

A. Before (Correct Answer)
B. After
C. Simultaneously
D. The priority and sequence of database write and transaction log writes are controlled by the parameter "dblg_after" in the ORACLE initialization file.
E. Randomly, sometimes before, sometimes after.

2 - What is the primary function of the $ORACLE HOME/saparch directory?

A. The saparch directory is a work area for the R/3 database utilities.
B. The saparch directory is a work area for the R/3 Instance tasks.
C. The saparch directory is used as the holding area for online database backups instead of writing them to tape.
D. The saparch directory holds the archived database log files.(Correct Answer)
E. The saparch directory contains the current database transaction log files.

3 - Which customer specific specific files does sapdba save during an offline backup to ensure that the Oracle database can be restored to a consistent state in case of problems?

A. The Oracle executables files.
B. The Oracle database transaction log files and archived log files.
C. The tablespace data files, database transaction log files, and the database control file. (Correct Answer)
D. The database archived log files and R/3 Syslog file.
E. The database transaction log files and the R/3 transport structures.

4 - Which customer-specific files must be saved during an online database backup to be able to restore the Oracle database to a consistent state?

A. The Oracle executables, database parameter file, and the tablespace data files.
B. The Oracle online redo log files and the database control file.
C. The archived log files, database control file and the Oracle executables.
D. The tablespace data files, database control file, and all database redo logs written during the online backup. (Correct Answer)
E. The tablespace data files, database control file, and the database parameter file.

5 - What is the primary function of the $ORACLE_HOME/sapbackup directory?

A. The sapbackup directory is used for database backups which are written to disk. (Correct Answer)
B. The sapbackup directory is a work area for the R/3 Instance tasks.
C. The sapbackup directory is the temporary holding area for the database transaction logs (redo logs) before they are automatically written to tape.
D. The sapbackup directory holds the archived database log files.
E. The sapbackup directory is used by the R/3 database utilities during database reorganizations.

6 - What is the name of the brbackup and brarchive parameter file for an Oracle database used by an R/3 Central Instance with SAP System ID C11?

A. initC11.ini
B. initC11.ora
C. initC11.sap (Correct Answer)
D. sapdba.ini
E. initC11.dba

7 - When using a tape device that supports hardware compression which of the following statements is true?

Note: There is more than one right answer! Click on the buttons next to the right answers.

A. The tape_address and tape_address rew init<sid>.sap parameters are automatically calculated based upon the value of the "compression" parameter.
B. Drivers for hardware compression must be specified for the tape_address and tape_address rew parameters in the init<sid>.sap file.
C. The compression ratio is calculated using "brbackup -k only" immediately after installation and should be repeated at least once a month to update compression ratios. (Correct Answer)
D. The compression ratio should be calculated using "brbackup -k only" immediately after installation and never needs to be repeated.
E. The "compression" parameter should be set to "hardware" in the init<sid>.sap file. (Correct Answer)

8 - Sapdba and the Computer Center Management System (CCMS) use operating system level programs for certain database administration tasks. Which program would be called by CCMS for backing up the data files for the PSAPBTABD and PSAPBTABI tablespaces?

A. Brarchive
B. Brconnect
C. sapdba –b
D. brbackup
E. backoffl

9 - What are the 3 different Oracle database startup modes?

A. Warm, cold, maintenance
B. Mount, nomount, open (Correct Answer)
C. Online, offline, utility
D. Level 1, level 2, level 3
E. Normal, restrict, utility

10 - What are the 3 different Oracle database shutdown modes?

A. Warm, cold, maintenance
B. Level 1, level 2, level 3
C. Normal, immediate, abort (Correct Answer)
D. Regular, active, passive
E. Standard, now, kill

11 - What is the primary purpose of the $ORACLE_HOME/sapreorg directory (Windows NT: $ORACLE_HOMEsapreorg)?

A. The sapreorg directory is a work area for the R/3 database utilities. (Correct Answer)
B. The sapreorg directory is a work area for the R/3 Dialog Instance Tasks.
C. The sapreorg directory is used as the holding area for online database backups instead of writing them to tape.
D. The sapreorg directory holds the database transaction log files.
E. The sapreorg directory contains the archived database log files.

12 - Based upon the information in the initial sapdba program menu, what is the name of the parameter file used by Oracle when the database is started?

The name of the Oracle parameter file is:spfilesid.ora, initsid.ora (Correct Answer)
Type the correct file name in the field provided.

13 - What is the purpose of the Oracle "OPS$connect" function?

A. OPS$connect authorization allows an operating system user to connect to the database without being prompted for a password. (Correct Answer)
B. OPS$connect is an Oracle command enabling whoever executes it to administer the database without using sqldba.
C. OPS$connect is used in Oracle Parallel Server installations to enable remote database connections over a LAN.
D. OPS$connect authorization is required of all database users and is required for connection to the database.
E. OPS$connect enables the R/3 System saposcol process to communicate and exchange data with the database.

14 - What is the name of the alert log file for an Oracle database using a system identifier (SID) of C11?

A. ora_log_C11.log
B. ora_log_C11.trc
C. alert_C11.log (Correct Answer)
D. alert_C11.trc
E. orasrv.log

15 - What happens if a table wants to allocate another extent but there is not enough contiguous free space in the tablespace?

A. The extent is allocated in another tablespace.
B. The Oracle error message ORA-1653 is sent to the Syslog file and the ABAP/4 short
dump. (Correct Answer)
C. The extent is distributed across the available free space.
D. Oracle dynamically reorganizes the tablespace to make all available space contiguous.
E. The database switches into maintenance mode and sends a system message to the database administrator.

16 - What action needs to be taken when Oracle returns an ORA-1653 error, failure to allocate an extent for a table in a specific tablespace?

A. The tablespace should be moved to a faster disk so that Oracle can find the extents quicker.
B. The tablespace size should be increased by adding 1 or more data files. (Correct Answer)
C. This is an Oracle internal error message which should be registered with Oracle immediately.
D. The database must be shutdown immediately to avoid damage.
E. The affected table should be dropped to avoid similar problems in the future.

17 - Under which circumstances does a table/index have to be reorganized?

A. If the extents belonging to the table/index are distributed across several data files.
B. If a log switch occurs before a database commit is completed.
C. If the tablespace overflows during a redo log file switch.
D. If an archiver stuck situation occurs during a write to the table/index.
E. If the table/index reaches the upper limit for the MAXEXTENTS parameter value when
attempting to allocate another extent. (Correct Answer)

18 - Which Oracle component dynamically maintains information about the status of the database redo logs, database mode, names and paths of database files, and is essential during a database recovery?

A. The Oracle parameter file, init<sid>.ora.
B. Each tablespace data file contains this data for the whole database.
C. The Oracle control file, cntrl<sid>.dbf. (Correct Answer)
D. The SGA definition file, sgadef<sid>.def.
E. The sapdba parameter file, init<sid>.dba.

19 - An Instance error occurs when 1 or more Oracle background processes become corrupted. What actions should the database administrator take to correct the problem?

A. This is a serious error. Call the Oracle hotline.
B. Shutdown the operating system and reinstall the Oracle software.
C. Shutdown abort and startup open. The SMON process will use the current redo log files and checkpoint information from the control files to execute an automatic instance recovery upon database startup. (Correct Answer)
D. Shutdown the operating system and turn all hardware off. After the hardware cools off start everything up again and execute Orainst using the repair option.
E. Restore all missing files, apply the offline redo logs, update the control files, and execute the startup open command.

20 - Which files must be restored from tape to allow a full database restore and recovery?

A. Database control file, tablespace data files, and the database alert log.
B. Tablespace data files, database control files, and all archived database transaction logs
created since the last full backup. (Correct Answer)
C. $ORACLE_HOME, Oracle parameter file, tablespace data files.
D. Database control file, tablespace data files, R/3 Syslog, R/3 Transport directory.
E. Oracle parameter file, tablespace data files, and the Oracle control file.

21 - The R/3 System Oracle database has 4 online redo logs, also known as database transaction logs. Each online redo log has a mirrored copy. What is the effect of a log file switch?

A. The current online redo log gets copied to its mirrored copy, upon completion the next online redo log becomes open for writing.
B. The database alternates between writing to the online and offline redo log files.
C. The database switches between writing to the original redo log files and the mirrored redo log files.
D. The current R/3 Syslog file gets copied to the saparch directory and a new Syslog file is created.
E. The current online redo log gets closed and the next online redo log gets opened for writing. The ARCH process gets triggered to begin backing up the recently closed redo log. (Correct Answer)

22 - Which statement is true of online Oracle database backups?

A. Users may only read data and may not enter data until after the backup is done.
B. Database transaction logs (online redo logs) are not written during online backups.
C. The tablespace data files and control file comprise the complete online backup and are all that is necessary for restoring the database to a consistent status.
D. The database must be running in archivelog mode. (Correct Answer)
E. Online database backups are not supported by Oracle.

23 - Given Oracle database with system ID C11. If tablespace PSAPBTABD has been extended 200 MB by adding another datafile which of the following statements is true?

A. In the event of a full database restore the new tablespace data file will be automatically created based upon information in the initC11.ora file.
B. All data files for PSAPBTABD should be backed up along with the database control file to maintain database recoverability.
C. The database should be shutdown and started up again to register the existence of the new file in the Oracle internal system tables.
D. The data files for PSAPBTABD, the control file, and the redo logs must be backed up to maintain database recoverability. (Correct Answer)
E. An R3INST database copy should be run to create a clean copy of the complete database.

24 - What is the highest priority when planning the distribution of the database transaction logs, mirrored transaction logs, archived transaction logs, and tablespace data files over multiple logical device groups?

A. Better performance through more hardware.
B. More flexibility in case of hardware failure.
C. Easier database backups and quicker restores.
D. Higher data security and easier administration. (Correct Answer)
E. To make the system physically more modular for transport reasons.

25 - Which of the following oracle parameters should never be modified in the init.ora file?

Note: There is more than one right answer! Click on the buttons next to the right answers.

A. db_block_buffers
B. db_block_size (Correct Answer)
C. db_name (Correct Answer)
D. controlfiles
E. shared_pool_size

26 - Which of the following configurations would have the slightest impact upon data security and/or performance?

A. Operating system swap and Oracle tablespace data files installed on the same physical disk(s).
B. Operating system swap and SAP kernel (executable files) installed on the same physical disk(s). (Correct Answer)
C. Operating system swap and Oracle database transaction logs (redo logs) installed on the same disk(s).
D. Operating system swap and the /usr/sap directory on the same physical disk(s).
E. Oracle database archived log files (offline redo logs) accessed over a shared (or NFS) directory connection.

27 - The physical separation of database logs from their mirror copies means?

A. Using physically separate partitions of a physical disk.
B. Using physically separate disks. (Correct Answer)
C. Using physically separate disks in the same logical device group.
D. Using generic database utilities to split the flow of data between randomly chosen operating
system directories.
E. Use of database-specific utilities to fork log backups to 2 physically separate backup media.

28 - Which of the following Oracle parameters should be modified in the init.ora file to enlarge the shared memory usage for the Oracle database instance?

Note: There is more than one right answer! Click on the buttons next to the right answers.

A. log_archive_dest
B. db_block_size
C. rollback_segments
D. shared_pool_size (Correct Answer)
E. db_block_buffers

29. brbackup tool can create a database backup when the database is up and running or when it has been shutdown. During an online database backup which of the following is TRUE

A. Users must stop entering data but may continue working using read-only transactions.
B. Users must stop working because their work would be unrecoverable in case of problems with the backup.
C.Users may continue working without interruption. (Correct Answer)
D.Power-users may continue working but data-entry users must log off.
E.Users must log off until the online backup is started but then may continue working