A.  In MongoDB, clients cannot see the results of writes before they are made durable

B.  Users may configure read preference on a per-connection basis to prefer that the read operations return results from the secondary members

C.  Clients cannot read data which may be subsequently rolled back

D.  None of the mentioned

Correct Answer :
Users may configure read preference on a per-connection basis to prefer that the read operations return results from the secondary members
Explanation :
No Explanation available for this question
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