知识大全 1Z0-023 考试回忆 11.20

Posted 2022-07-15 知

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　　Dear all 　　　　It s not my lucky day today I didn t pass only got I ll try in next month Please read following questions it s really exact same with real test 　　and be careful on password and profiles for exemple view password expire date 　　 redo log file(group members size ) 　　 temporary and permanent segment different 　　 Archive Log List or select * from archive_log_list which view is right 　　 Add datafile solution 　　 Which will be use when SQL*Loader log file or other 　　　　 Which of the following is one reason for using the package DBMS_TTS? 　　　　A To verify that a tablespace is self contained 　　B To drop indexes outside a transportable tablespace 　　C To create the metadata for a transportable tablespace 　　D To attach transportable tablespaces datafiles to the database 　　　　 Which export option will generate code to create an initial extent that is equal to the sum of the sizes of all the extents currently allocated to an object? 　　　　A FULL 　　B DIRECT 　　C PACT 　　D PRESS 　　　　 What are o reasons for changing user quotas on a tablespace? 　　　　A A datafile bees full 　　B A user encounters slow response time from the application 　　C Tables owned by a user exhibit rapid and unanticipated growth 　　D Database objects are reanized and placed in different tablespace 　　　　 A DBA performs the query: 　　　　SELECT tablespace_name max_blocks 　　FROM dba_tablespace_quotas 　　WHERE username= 慗ERRY? 　　That returns the result: 　　TABLESPACE_NAME MAX_BYTES 　　DATA 　　　　What does indicate? 　　　　A Tablespace DATA has been dropped 　　B Tablespace DATA has no free space 　　C The user has no quotas on tablespace DATA 　　D The user has an unlimited quota on tablespace DATA 　　E The user has exceeded his or her quota on the tablespace DATA 　　　　 Consider the following mand to create the user 憄eter? 　　　　CREATE USER peter 　　IDENTIFIED by pan 　　TEMPORARY TABLESPACE temp 　　PASSWORD EXPIRE; 　　　　Since no default tablespace was specified what will happen if this mand is executed? 　　　　A The user will not own a home directory 　　B The user peter will be created using the TEMP tablespace as the default 　　C The user peter will be created using the SYSTEM tablespace as the default 　　D The code will produce an error message the user peter will not be created 　　　　 An Oracle user receives the following error: 　　　　ORA SNAPSHOP TOO OLD 　　　　What are o possible solutions? 　　　　A Increase the extent size of the rollback segments 　　B Perform media recovery 　　C Increase the number of rollback segments 　　D Increase the size of the rollback segment tablespace 　　E Increase the value of the OPTIMAL storage parameter 　　　　 When creating rollback segments what is the remended value for the MINEXTENT minimize dynamic extension? 　　　　A 　　B 　　C five 　　D ten per transaction 　　E number_of_users* 　　　　 MINEXTENTS must be at least _____ when a rollback segment is created 　　　　A 　　B 　　C 　　D 　　　　 You are creating a database with a character set other than US ACII Which operating system environmental variable needs to be set to specify the director location of the NLS support files? 　　　　A NLS_LANG 　　B ORA_NLS 　　C ORACLE_SID 　　D ORACLE_BASE 　　E ORACLE_HOME 　　　　 Given the statement: 　　　　CREATE DATABASE orc 　　LOGFILE GROUP 憉 /Oracle/dba/logla rdo?SITE DM 　　GROUP 憉 /Oracle/dba/logla rdo?SITE DM 　　DATAFILE 憉 /Oracle/dbs/sys_ dbf?REUSE; 　　　　Which statement is true? 　　　　A The online redo logs will be multiplexed 　　B The file 憉 /Oracle/dbs/sys_ dbf?already exists 　　C File 憉 /Oracle/dbs/sys_ dbf?as a parameter file 　　D The control file name is 憉 /Oracle/dbs/sys_ dbf? 　　E Oracle will determine the optimum size for 憉 /Oracle/dba/sys_ dbf? 　　　　 What is a default role? 　　　　A A role that requires a password 　　B A role that requires no password 　　C A role automatically enabled when the user logs on 　　D A role automatically assigned when the user is created 　　　　 Who is the owner of a role? 　　　　A SYS 　　B Nobody 　　C SYSTEM 　　D The creator 　　　　 Which class of segments is most likely to cause fragmentation in permanent tablespace? 　　　　A Index segments 　　B Rollback segments 　　C User data segments 　　D Temporary segments 　　E Data dictionary segments 　　　　 Which data dictionary view shows the available free space in a certain tablespace? 　　　　A DBA_EXTENTS 　　B V$FREESPACE 　　C DBA_FREE_SPACE 　　D DBA_TABLESPACE 　　E DBA_FREE_EXTENTS 　　　　 Which statement about using PCTFREE and PCTUSED is true? 　　　　A Block space utilization can be specified only at the segment level 　　B Block space utilization can be specified only in the data dictionary 　　C Block space utilization parameters can only be specified at the tablespace 　　D Block space utilization can be specified both at the tablespace level and segment level 　　　　 Which type of index should be created to spread the distribution of an index across the index tree? 　　　　A B tree indexes 　　B Bitmap indexes 　　C Reverse key indexes 　　D Function based indexes 　　　　 Which statement about rebuilding indexes is true? 　　　　A The NOSORT option must be used 　　B The new index is built using the table as the data source 　　C A reverse b tree index can be converted to a normal index 　　D Query performance may be affected because the index is not 　　　　 When granting the system privilege which clause enables the grantee to further grant the privilege to other users or roles? 　　　　A PUBLIC 　　B WITH PRIVILEGE 　　C WITH ADMIN OPTION 　　D WITH GRANT OPTION 　　　　 Which view will show a list of privileges that are available for the current session to a user? 　　　　A SESSION_PRIVS 　　B DBA_SYS_PRIVS 　　C DBA_COL_PRIVS 　　D DBA_SESSION_PRIVS 　　　　 How does a DBA specify multiple control files? 　　　　A With the ADD CONTROLFILE mand 　　B By using the files in the STARTUP mand 　　C With the MULTIPLEX control file mand 　　D By listing the files in the CONTROL_FILES parameter 　　　　 Which dynamic view should a DBA query to obtain information about the different sections of the control file? 　　　　A V$CONTROLFILE 　　B DBA_CONTROLFILE 　　C V$CONTROLFILE_RECORD_SECTION 　　D DBA_CONRTOLFILE_RECORD_SECTION 　　　　 What are o characteristics of the control file? 　　　　A It is a text file 　　B It is a fixed size 　　C It should be multiplexed 　　D It is required to start the instance 　　E It must be updated at every log switch 　　　　 Which o dynamic views can be queried when a database is started up in nomount state? 　　　　A V$SGA 　　B V$LOGFILE 　　C V$INSTANCE 　　D V$CONTROLFILE 　　E V$DATAFILE_HEADER 　　　　 Which t cha138/Article/program/Oracle/201311/18281