ITPub博客

首页 > 数据库 > Oracle > Oracle OCP 1Z0 053 Q45( ASM-preferred mirror read)

Oracle OCP 1Z0 053 Q45( ASM-preferred mirror read)

原创 Oracle 作者:abstractcyj 时间:2016-04-06 14:38:35 0 删除 编辑
45.What is the advantage of setting the ASM-preferred mirror read for the Stretch cluster configuration?
A. It improves resync operations.
B. This feature enables much faster file opens.
C. It improves performance as fewer extent pointers are needed in the shared pool.
D. It improves performance by reading from a copy of an extent closest to the node.
Answer: D

来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/8520577/viewspace-2076151/ ,如需转载,请注明出处,否则将追究法律责任。

请登录后发表评论 登录
全部评论
曾从事java方向开发多年。近年已经转入数据库方向。主要擅长SQL优化,Oracle数据库问题诊断,Oracle备份与恢复等。服务于医药物流,医院等行业

注册时间:2010-01-26

  • 博文量
    602
  • 访问量
    1091583