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043-187

原创 Linux操作系统 作者:jbymy2000 时间:2012-03-10 11:23:32 0 删除 编辑
187: In your production database, you have observed that the database
server performance degrades ,whenever there is a switch between the log
groups. On further investigation, you find that the database is
running in ARCHIVELOG mode and the archived log files are being written
to the same disk that is used to store the redo log members.
Which two actions would you take to improve the performance of the database
server? (Choose two.)
A.increase the size of the redo log buffer
B.increase the number of redo log groups
C.increase the number of log writer processes
D.increase the number of ARCn processes
E.change the appropriate LOG_ARCHIVE_DEST_n parameter to place the
archived log files in a separate location
Answer: BE

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