269.Examine the following set of RMAN commands:
RMAN> CONFIGURE CHANNEL dc1 DEVICE TYPE DISK FORMAT ?/u02 /backup/ %U' "; RMAN> RUN
(
ALLOCATE CHANNEL Chi DEVICE TYPE DISK;
EXECUTE SCRIPT full_backup;
)
Which statement is true when the RMAN RUN block Is executed?
A. The execution of the script fails because multiple channels cannot coexist.
B. The script is executed and both the channels are used for the script execution.
C. The new channel, CHI, is Ignored because a channel has been configured already.
D. ration parameter DCI is overridden because a new channel is allocated in RMAN RUN block.
Answer: D
答案解析：
执行时，使用run块里面的语句来执行,而run块里面的分配的通道是 Chi ，所以，在执行full_backup这个脚本时，使用Chi通道，之前配置的dc1通道被覆盖了