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A ______ member maintains a copy of the primary’s data set but is invisible to client applications.(a) primary(b) delayed(c) hidden(d) none of the mentionedThe question was posed to me during an interview for a job.This interesting question is from Read and Write Semantics topic in division Replication Concepts, Processes and Replication Set of MongoDB

Answer» RIGHT choice is (C) hidden

To ELABORATE: Hidden members are good for workloads with different usage PATTERNS from the other members in the replica set.


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