Point out the wrong statement.
(a) You cannot overlap defined ranges, or tag the same range more than once
(b) The mongod provides a helper for removing a tag range
(c) The output from sh.status() lists tags associated with a shard, if any, for each shard
(d) None of the mentioned
I had been asked this question during an interview for a job.
The doubt is from Troubleshooting Sharded Cluster in chapter Sharding Concepts, Mechanics and Sharded Cluster of MongoDB