___________ is a routing service for MongoDB shard configurations that processes queries from the application layer.
(a) mongod
(b) mongos
(c) mongocon
(d) none of the mentioned
(a) mongod
(b) mongos
(c) mongocon
(d) none of the mentioned
Correct option is (b) mongos
Easiest explanation: From the perspective of the application, a mongos instance behaves identically to any other MongoDB instance.