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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Q. Use ________ to determine the current chunk ranges across the cluster.

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Q. Point out the wrong statement.

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Q. __________ splits the chunk that contains the shard key value specified by the query at the chunk’s median point.

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Q. _________ splits a chunk at the shard key value specified by the query.

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Q. sh.splitFind () Splits the chunk that contains the shard key value specified by the query at the chunk’s ______ point.

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Q. The mergeChunks command requires at least _______ empty input chunk.

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Q. The chunkSize and ________ options, passed at startup to the mongos, do not affect the chunk size after you have initialized the cluster.

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