The dsmerror.log states that a file is in use by another process and cannot be backed up.
Which backup policy attribute should be examined to determine the criteria that are used for a file backup?
A . mode
B . serialization
C . absolute
D . frequency
Answer: A
Explanation:
MODE, SERialization, FREQuency are backup policy parameters settings, which do not apply to Data Protection for SQL Server.
References: https://www.ibm.com/support/knowledgecenter/en/SSERBW_8.1.0/mail.exc/
r_dpexc_recommend_policy_settings.html