考试
2021-02-25 12:23:35

(单选题)View the exhibit and exam

题目描述

AThe FRA disk group has an asynchronous I/O bottleneck

BThe least number of I/Os are performed on the last data file in the list

CThe number of times that the backup or restore process directed the OS to wait until an I/O was complete is the highest for the last data file in the list

DThe number of times that the backup or restore process made an OS call to poll for I/O completion in Nonblocking mode is the least for the FRA disk group

答案解析

[db:答案解析]

A

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