OCP 052最新考题还有答案整理-第26题

8.Which two are true about the Fast Recovery Area (FRA)? A) It should be larger than the database. B) Space management In the FRA Is Influenced by the database backup retention policy. C) A database must be in ARCHIVELOG mode to use the FRA. D) It mu

10.Which two are true about consistent database backups? A) They can only be taken when a RECOVERY CATALOG is used. B) They can only be taken if the database Is in ARCHIVELOG mode. C) They can only be taken If shutdown NORMAL, TRANSACTIONAL, or IMMED

11.Which three are true about UNDO data? A) It is used to roll back failed transactions. B) It is used to rewind a database by using FLASHBACK DATABASE. C) It is used to recover dropped tables by using FLASHBACK TABLE - TO BEFORE DROP. D) It is used

31.Which two events always request the LGWR to write? A) when LGWR is notified by a server process that performs a Commit or ROLLBACK B) When PMON restarts a server process C) when DBWn writes dirty buffers D) when a log switch occurs E) when a check

12.Which two types of Information can be found in the alert log? A) instance recovery details B) a record of all DDL statements performed by non-DBA users C) a record of all actions performed by SYS and SYSTEM D) critical errors encountered by backgr

17.Which two statements are true about tablespaces? A) A database can contain multiple undo tablespaces. B) A database can contain only a single temporary tablespace. C) A database instance stores undo data In the SYSTEM tablespace If no undo tablesp

34.Which is true about invalid PL/SQL objects? A) They are automatically recompiled against the new definition of a referenced object at the same time as the referenced object is modified. B) They can be manually recompiled only by using SQL commands

14.Which command is used to display files that no longer conform to the backup retention policy? A) REPORT OBSOLETE B) SHOW DATAFILE BACKUP COPIES C) CROSSCHECK BACKUP D) LIST EXPIRED BACKUP Answer:A 北京CUUG整理,转载请注明,OCP讨论群:569933648/836361015 原文地址:htt

23.Which three are true about the Automatic Database Diagnostic Monitor (ADDM)? A) Its findings are accessible only by using Oracle Enterprise Manager. B) It improves database performance by automatically implementing Oracle's best practices. C) It c