OCP-V13-696

Examine the following command for RMAN backup:

Which statement Is true regarding the approach in the command?

A. The RMAN multiplexing level is 4.

B. It is the use of asynchronous I/O by RMAN.

C. It is a case of parallelization of the backup set. 这是一种并行的备份集

D. It is an implementation of a multisection backup.

Correct Answer: C

Section: (none)

Explanation

Explanation/Reference:

从以上图片中以及以下的实验中看出，分了三个通道并行备份。

图中1,4,5数据文件使用通道C1，2，3，9数据文件使用通道C2，6,7,8使用通道C3，

这三个通道并行执行备份