Q. _________ is a background process that keeps chunks from growing too large.

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Q. The shards manage _______ migrations as a background operation between an origin shard and a destination shard.

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Q. For most deployments, the default value of chunk is _____ megabytes is ideal.

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Q. The ______ instances are the routers for the cluster.

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Q. A single sharded cluster must have exclusive use of its _______ servers.

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Q. When a chunk grows beyond the chunk size, MongoDB attempts to split the chunk into smaller chunks, always based on ranges in the _____________

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Q. Point out the correct statement.

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Q. The index on the shard key cannot be a _________ index.

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Q. Hashed shard keys use a ________ index of a single field as the shard key to partition data across your sharded cluster.

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Q. Point out the correct statement.

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Q. You can control how many chunks MongoDB will create with the ___________ parameter.

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Q. MongoDB automatically computes the hashes when resolving queries using ______ indexes.

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Q. MongoDB generates _______ values upon document creation to produce a unique identifier for the object.

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Q. A shard key that increases monotonically will not hinder performance if most of your write operations are ____ operations.

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Q. The mongos provides an interface for applications to interact with sharded clusters that hides the complexity of data ______

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Q. The _________ process is responsible for redistributing the chunks of a sharded collection evenly among the shards for every sharded collection.

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Q. Point out the correct statement.

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Q. Use _______ migration to distribute data during bulk inserts.

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Q. The balancer process sends the _______ command to the source shard.

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Q. Point out the wrong statement.

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