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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Q. The source shard is responsible for incoming ______ operations for the chunk.

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Q. ________ can alter the behavior so that the delete phase of the current migration blocks the start of the next chunk migration.

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Q. The default value _________ becomes true for all chunk migrations.

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Q. You can set the _________ option on the balancer configuration to set different write concern semantics.

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Q. With __________ enabled, the source shard archives the documents in the migrated chunks in a directory named after the collection namespace.

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Q. The ________ collection stores a document for each change to the metadata of a sharded collection.

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Q. Point out the correct statement.

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Q. The _________ collection stores a document for each sharded collection in the cluster.

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Q. You can return a list of the collections, with the following helper ______________

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Q. Point out the wrong statement.

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Q. ________ is a string that holds the address of the client, a mongos instance that initiates this change.

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Q. The _______ collection keeps track of the active components in the sharded cluster.

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Q. If the collection is empty then MongoDB will create the index as part of the ________

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Q. Changing the _______ option will change the port that mongod listens for incoming connections on.

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Q. The _____________ collection holds documents for each tagged shard key range in the cluster.

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Q. Split empty chunks in your collection by manually performing the ______ command on chunks.

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Q. Point out the correct statement.

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Q. MongoDB provides the _________ command to combine contiguous chunk ranges into a single chunk.

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