Explanation: Such reads are necessary to establish new connections to a mongod that enforces authorization checks. 5. Point out the correct statement :
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
Answer:A
Explanation: Such reads are necessary to establish new connections to a mongod that enforces authorization checks. 5. Point out the correct statement :
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
Explanation:If clients configure the read preference to permit secondary reads, read operations can return data from secondary members that have not replicated more recent write operations. 6. ________ unlocks a mongod instance to allow writes and reverses the operation of a db.fsyncLock() operation.