數(shù)據(jù)分發(fā)服務(wù)的核心內(nèi)容包括以下( )。
A. 數(shù)據(jù)備份、數(shù)據(jù)存儲、數(shù)據(jù)加密、數(shù)據(jù)評價
B. 數(shù)據(jù)發(fā)布、數(shù)據(jù)發(fā)現(xiàn)、數(shù)據(jù)評價、數(shù)據(jù)獲取
C. 數(shù)據(jù)備份、數(shù)據(jù)存儲、數(shù)據(jù)處理、數(shù)據(jù)獲取
D. 數(shù)據(jù)加密、數(shù)據(jù)備份、數(shù)據(jù)存儲、數(shù)據(jù)處理