QUESTION 25
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
同606题：http://blog.csdn.net/rlhua/article/details/18811331
Explanation/Reference:
Section: Backup, Recovery & Recovery Manager (RMAN)