1Hardgeneral⏱ 45sHow does MongoDB's sharding distribute data across multiple servers, and what determines even distribution?📎▼AData is always split alphabetically by collection nameBDocuments are distributed across shards based on a shard key's value (via range-based or hashed sharding), and choosing a shard key with high cardinality and even value distribution is critical to avoid hot shardsCSharding is only used for read replicas, not writesDEvery shard always contains an identical full copy of the data