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1Z0-053 争议题目解析606

2016-03-15 10:01  AlfredZhao  阅读(505)  评论(0编辑  收藏  举报

1Z0-053 争议题目解析606

考试科目:1Z0-053
题库版本:V13.02

题库中原题为:

606.Identify the channel settings that can be performed using the CONFIGURE CHANNEL or ALLOCATE
CHANNEL commands in RMAN (choose all that apply)
A. Limiting the input/output (I/O) bandwidth consumption
B. Specifying the size of backup sets and backup pieces
C. Specifying vendor-specific information for a media manager
D. Specifying the parallelism for backup and restore operations
Answer: AC

争议点:
网上有人说选择ABCD,
比如:
LuiseDalian的解析:http://blog.itpub.net/17013648/viewspace-1326752/

我们在配置channel的时候可以限制I/O的带宽,指定备份级的尺寸和备份片,可以指定存储的类型,可以指定备份和恢复的并行度

初步结论:
保留争议,暂时选择ABCD。