TADM51 1 - Is data written to the Oracle transaction logs (redo logs) before or after the information is written in thedatabase files? (Single Choice) A. B. C. D. Before After Simultaneously The priority and sequence of database writes and transaction log writes is 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? (Single Choice) 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. 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 insure that the Oracle database could be restored to a consistent state in case of problems? . (Single Choice) A. B. C. D. E. The Oracle executables files. The Oracle database transaction log files and archived log files. The tablespace data files, database transaction log files, and the database control file. The database archived log files and R/3 Syslog file. 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. B. C. D. The Oracle executables, database parameter file, and the tablespace data files. The Oracle online redo log files and the database control file. The archived log files, database control file and the Oracle executables. The tablespace data files, database control file, and all database redo logs written during the online backup. 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? (Single Choice) A. The sapbackup directory is used for database backups which are written to disk. 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. C.What are the 3 different Oracle database startup modes? (Single Choice) A. active. 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. E. level 3 Normal.dba 7 .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? (Single Choice) A. D.sap parameters are automatically calculated based upon the value of the "compression" parameter.ini initC11. A. B. E. passive Standard. maintenance Level 1. utility 10 . Drivers for hardware compression must be specified for the tape_address and tape_address rew parameters in the init<SID>. Warm.sap sapdba. B. 8 . D. E. abort Regular. The compression ratio should be calculated using "brbackup -k only" immediately after installation and never needs to be repeated. restrict. cold. B. immediate. D. The tape_address and tape_address rew init<SID>. utility Level 1. The "compression" parameter should be set to "hardware" in the init<SID>.ora initC11. B.6 . maintenance Mount.Sapdba and the Computer Center Management System (CCMS) use operating system level programs for certain database administration tasks. D. B. level 2. level 2.sap file. initC11. nomount. cold.What are the 3 different Oracle database shutdown modes? (Single Choice) A. E. Which program would be called by CCMS for backing up the data files for the PSAPBTABD and PSAPBTABI tablespaces? (Single Choice) A. C. E. level 3 Normal. C. C.sap file.ini initC11. offline. now. open Online. Brarchive Brconnect sapdba –b brbackup backoffl 9 . C. kill . D. Warm.When using a tape device that supports hardware compression which of the following statements is true ? (2 Correct Answers) . The database switches into maintenance mode and sends a system message to the database administrator.log 15 . C.What happens if a table wants to allocate another extent but there is not enough contiguous free space in the tablespace? (Single Choice) A. The sapreorg directory is a work area for the R/3 database utilities.ora (Single Choice) 13 . C.log alert_C11. 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. D. OPS$connect enables the R/3 System saposcol process to communicate and exchange data with the database. 14 . The sapreorg directory holds the database transaction log files. The sapreorg directory contains the archived database log files. ora_log_C11. OPS$connect is used in Oracle Parallel Server installations to enable remote database connections over a LAN. B. B. B. D. D. D. The extent is distributed across the free space that is available. B. OPS$connect is an Oracle command enabling whoever executes it to administer the database without using sqldba. E. OPS$connect authorization is required of all database users and is required for connection to the database.trc alert_C11. The extent is allocated in another tablespace. C.Based upon the information in the initial sapdba program menu.trc orasrv.log ora_log_C11.11 . E.What is the name of the alert log file for an Oracle database using a system identifier (SID) of C11? (Single Choice) A. Oracle dynamically reorganizes the tablespace to make all available space contiguous.What is the primary purpose of the $ORACLE_HOME/sapreorg directory (Windows NT: $ORACLE_HOME\sapreorg)? (Single Choice) A. OPS$connect authorization allows an operating system user to connect to the database without being prompted for a password. E. The sapreorg directory is a work area for the R/3 Dialog Instance Tasks. E.What is the purpose of the Oracle "OPS$connect" function? (Single Choice) A. initsid. 12 . .ora. C. The sapreorg directory is used as the holding area for online database backups instead of writing them to tape. The Oracle error message ORA-1653 is sent to the Syslog file and to the ABAP/4 short dump. What actions should the database administrator take to correct the problem? (Single Choice) A. The SGA definition file. names and paths of database files. sgadef<SID>. The affected table should be dropped to avoid similar problems in the future. The Oracle control file. Tablespace data files. Shutdown abort and startup open. This is a serious error. Shutdown the operating system and reinstall the Oracle software. After the hardware cools off start everything up again and execute Orainst using the repair option. 18 . This is an Oracle internal error message which should be registered with Oracle immediately. Database control file. D. B. and the Oracle control file. failure to allocate an extent for a table in a specific tablespace? (Single Choice) A.dbf. Each online redo log has a mirrored copy. C.Which files must be restored from tape to allow a full database restore and recovery ? (Single Choice) A. C. 17 . tablespace data files. E. Restore all missing files. Oracle parameter file. 20 . and the database alert log. Each tablespace data file contains this data for the whole database. Shutdown the operating system and turn all hardware off. and execute the startup open command.What action needs to be taken when Oracle returns an ORA-1653 error. also known as database transaction logs. R/3 Syslog. R/3 Transport directory. apply the offline redo logs. tablespace data files. E. Call the Oracle hotline. cntrl<SID>. database mode. 19 . B. D. and all archived database transaction logs created since the last full backup. D. If the extents belonging to the table/index are distributed across several data files. If an archiver stuck situation occurs during a write to the table/index. Oracle parameter file.ora. What is the effect of a log file switch? (Single Choice) . If a log switch occurs before a database commit is completed. D. The Oracle parameter file. $ORACLE_HOME. E. B. init<SID>.Under which circumstances does a table/index have to be reorganized? (Single Choice) A. If the table/index reaches the upper limit for the MAXEXTENTS parameter value when attempting to allocate another extent. E. If the tablespace overflows during a redo log file switch.An Instance error occurs when 1 or more Oracle background processes become corrupted. C. The tablespace size should be increased by adding 1 or more datafiles. tablespace data files.def. B.16 . init<SID>. D.The R/3 System Oracle database has 4 online redo logs. and is essential during a database recovery? (Single Choice) . update the control files. Database control file. The sapdba parameter file. C. E. 21 . B.dba. 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. A. The tablespace should be moved to a faster disk so that Oracle can find the extents quicker. tablespace data files. database control file. C. The database must be shutdown immediately to avoid damage.Which Oracle component dynamically maintains information about the status of the database redo logs. db_block_buffers db_block_size db_name controlfiles shared_pool_size 26 . The database must be running in archivelog mode. B.ora file.A. In the event of a full database restore the new tablespace data file will be automatically created based upon information in the initC11. The database should be shutdown and started up again to register the existence of the new file in the Oracle internal system tables. The database switches between writing to the original redo log files and the mirrored redo log files. Users may only read data and may not enter data until after the backup is done. C. D. Higher data security and easier administration. 23 . B. D. E. C. mirrored transaction logs. The current R/3 Syslog file gets copied to the saparch directory and a new Syslog file is created. 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. the control file. All data files for PSAPBTABD should be backed up along with the database control file to maintain database recoverability. upon completion the next online redo log becomes open for writing. The database alternates between writing to the online and offline redo log files. 22 .Given Oracle database with system ID C11. and tablespace data files over multiple logical device groups? (Single Choice) A. C. The data files for PSAPBTABD. Online database backups are not supported by Oracle. More flexibility in case of hardware failure. If tablespace PSAPBTABD has been extended 200 MB by adding another datafile which of the following statements is true? (Single Choice) A. D. Better performance through more hardware. B. An R3INST database copy should be run to create a clean copy of the complete database. 25 . The current online redo log gets closed and the next online redo log gets opened for writing. 24 . E.Which of the following oracle parameters should never be modified in the init<SID>. E. archived transaction logs.ora file? (2 Correct Answers) A. E. The current online redo log gets copied to its mirrored copy. The ARCH process gets triggered to begin backing up the recently closed redo log. C. E.Which of the following configurations would have the slightest impact upon data security and/or performance? (Single Choice) . C. B.What is the highest priority when planning the distribution of the database transaction logs. Database transaction logs (online redo logs) are not written during online backups. and the redo logs must be backed up to maintain database recoverability. B.Which statement is true of online Oracle database backups ? (Single Choice) A. To make the system physically more modular for transport reasons. D. D. Easier database backups and quicker restores. During an online database backup which of the following is TRUE? (Single Choice) A. not online backups. E.The physical separation of database logs from their mirror copies means? (Single Choice) A. D. BRARCHIVE is started immediately after the database backup is complete: no further intervention by the database administrator is necessary. B. E. B. Using generic database utilities to split the flow of data between randomly chosen operating system directories. log_archive_dest db_block_size rollback_segments shared_pool_size db_block_buffers 29. D. C. Use of database specific utilities to fork log backups to 2 physically separate backup media. Operating system swap and the /usr/sap directory on the same physical disk(s).ora file to enlarge the shared memory usage for the Oracle database instance? (Single Choice) A. The database backup and the backup of the offline redo log files must fit on one tape because changing tapes is not supported. D.Which of the following Oracle parameters should be modified in the init<SID>. Using physically separate partitions of a physical disk. B.Users may continue working without interruption. B. Users must stop working because their work would be unrecoverable in case of problems with the backup. 27 . Operating system swap and SAP kernel (executable files) installed on the same physical disk(s). C. . 28 . Using physically separate disks in the same logical device group. Users must stop entering data but may continue working using read-only transactions. This technique can only be used for offline database backups. The tapes used must have been initialized by BRBACKUP. Using physically separate disks. B. C. brbackup tool can create a database backup when the database is up and running or when it has been shutdown. E. E. E.Users must log off until the online backup is started but then may continue working 30. Oracle database archived log files (offline redo logs) accessed over a shared (or NFS) directory connection.Power-users may continue working but data-entry users must log off. Operating system swap and Oracle database transaction logs (redo logs) installed on the same disk(s). C. C.A. Operating system swap and Oracle tablespace data files installed on the same physical disk(s). D. D. Which of the following statements are correct in regard to using a single run of BRBACKUP to save both the database files and the offline redo log files? (3 Correct Answers) A. You can backup the database using multiple tape devices in parallel. what action needs to be taken? (2 Correct Answers) A. The tablespace should be reorganized. The storage parameter MAXEXTENTS must be increased. 32. the R/3 update task must be reactivated. B. E. . When you shutdown the database with the NORMAL or IMMEDIATE option. D. The tablespace size should be increased by adding a new data file. When you shutdown the database with the NORMAL option. The table DBSTATC can be used to trigger an exact computation of the statistics of specific tables. Which of the following statements express part of the SAP-recommended strategy for creating and updating the table statistics used by the cost-based optimizer? (Single Choice). D. The table DBSTATC can be used to detect which table statistics need to be refreshed. C. The table should be reorganized. In the mount phase. As the last step. C. C. What happens during the shutdown of an Oracle database? (2 Correct Answers) Note! More than one answer is correct. Please click on the buttons next to the correct answers. the R/3 system is shut down. open transactions are rolled back before the database is shut down. C. B. B. A. the database system writes a checkpoint before shutting down the database. No statistics are created for R/3 pool and cluster tables. The Oracle error message ORA 1653 is sent to the file SYSLOG and to the ABAP short dump. E. E. E. Oracle automatically performs an instance recovery. 33. 34. The update for table statistics refreshes all transparent tables.failure to allocate an extent for a table in a specific tablespace . 35. The database switches into maintenance mode and sends a system message to the database administrator. D. A. The SGA is created in shared memory according to the parameter settings in the configuration file init<SID>. the database system disconnects all users before shutting down the database. C. all copies of the control file are opened. When the R/3 update task aborts with an Oracle error ORA1653 . The Oracle background and shadow processes are created. After the cause of the error has been removed. Statistics are created for all transparent tables that have no statistics. What happens if a table wants to allocate another extent but there is not enough contiguous free space in the tablespace? (Single Choice) A. If necessary. When you shutdown the database with the ABORT or IMMEDIATE option. B. too.ora. Please click on the button next to the correct answer. Shutting down the database with the ABORT option always requires an instance recovery at the next database startup. D. D. E.31. The extent is distributed across the free space that is available. B. The extent is allocated in another tablespace. When you shut down the database with the ABORT option. the online redo log files are cleared and the data files are opened. Oracle dynamically reorganizes the tablespace to make all available space contiguous. What happens during the startup of an Oracle database? (3 Correct Answers) A. F. E. A. B. C. D. 38. TNSLISTENER lsnrctl start tnspingC11 CONNECT BRCONNECT 41.36. C. The Oracle tool to test the connection to the database with SID C11 ON HOST twdf0505 is(Single Choice) A. Checking for tables with more than 100 extents. any labeled tape . Click on the button next to the right answer. SQL> ALTER USER SAP tool BRCONNECT SQL > ALTER USER SQLPLUS>CHANGE PASSWORD SAP tool BRUSER 40. B. B. The recommended method of changing the password of SAP<SCHEMA-ID> is (Single Choice) A. E. SYSTEM SYSDBA SYSOPER SAP<SCHEMA-ID> SIDADM Name the standard Database users created in Oracle. Checking that the archive directory contains enough free space. no volume for backup is specified. Which tapes will be accepted for backup (assuming the tape lock period is expired in all cases. B. Checking that the CBO statistics are refreshed once a week according to the strategy recommended by SAP. SIDADM ORASID SYS SAP<SCHEMA-ID> SYSTEM 39. 37. Checking the data buffer quality. D. C. D. ___________ is used as default user when you can an SAP tool for Oracle administration. D.) (2 Correct Answers) A. E. C. E. A. C. E. D. Your daily backups are performed with automatic tape selection. Checking the shared cursor cache for expensive SQL statements. B. Which of the following checks are useful for database performance monitoring? (3 Correct Answers) A. 43.(Single Choice) A. BRARCHIVE C.sap can be edited by. To perform a complete database reset. F. Goto Tapes needed. Any unlabeled tape. E. D. you need one of the following backups? (2 Correct Answers) A. the tape labeled with the volume name you got from DB13.B. Operating system editor. 1 2 3 D 4 A 5 C 6 CE 7 D 8 B 9 C 10 A 11 A 12 C 13 C 14 B 15 B 16 E 17 38 CE 37 A 36 ACD 35 BE 34 D 33 B 32 BE 31 ACD 30 ACE 29 C 28 D 27 B 26 B 25 BC complete offline backup complete online backup consistent online backup backup of offline redo log files. A D C 22 23 24 D D D . 42. C. None of the above. B. The BR*TOOLS profile init<DBSID>. A tape labeled with volume name scratch D. C. BRBACKUP B. BRTOOLS D. C 18 C 19 B 20 E 21 39 40 41 42 B C BC D .