Question

For sharded collections, explain returns the __________ for each accessed shard.

(a) clientInfo

(b) serverInfo

(c) serverplan

(d) all of the mentioned

This question was posed to me in class test.

The above asked question is from Optimization Strategies topic in portion Monitoring MongoDB and Optimization Strategies for MongoDB of MongoDB

Answer 1

Correct choice is (b) serverInfo

To elaborate: For sharded collections, explain returns the core query planner and server information for each accessed shard in the shards field