1Z0-025 Free Dumps Study Materials
Question 10: Which action does Oracle recommend after a DBA recover from the loss of the current online
redo-log?
A. Back up the data files.
B. Back up the instance.
C. Back up the database.
D. Back up the control file.
E. Archive any unarchived online redo-logs.
Correct Answer: C
Explanation:
Oracle recommends DBA after a recover from the loss of the current online redo log file
to perform offline backup of the entire database.
Incorrect Answers:
A: You need to backup offline the entire database, not just the data files.
B: There is no instance backup in Oracle, only database backup, because Oracle instance itself is just
set of some processes in memory.
D: Backing up the control file is not enough in this situation. You need to back up the control file after
any tablespace or datafiles structural changes in the Oracle database.
E: You don't need to archive any unarchived online redo logs after this type pf recovery. Oracle 8,
DBA Certification Exam Guide, Jason S Couchman, p. 709-711 Chapter 15: Advanced Topics in Data
Recovery