AN_INDEX_CANNOT_COVER_A_QUERY_ON_A_________COLLECTION_WHEN_RUN_AGAINST – McqOptions

MCQOPTIONS

1.	AN_INDEX_CANNOT_COVER_A_QUERY_ON_A_________COLLECTION_WHEN_RUN_AGAINST_A_MONGOS_IF_THE_INDEX_DOES_NOT_CONTAIN_THE_SHARD_KEY.?$
A.	vertical
B.	sharded
C.	horizontal
D.	none of the mentioned
Answer» C. horizontal

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