Q. Point out the correct statement.

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Q. ___________ replicas maintain a copy of the data on the primary using built-in replication.

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Q. MongoDB scales horizontally using _________ for load balancing purpose.

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Q. Point out the wrong statement.

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Q. MongoDB can be used as a ____________ taking advantage of load balancing and data replication features over multiple machines for storing files.

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Q. _____________ can be used for batch processing of data and aggregation operations.

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Q. MongoDB supports fixed-size collections called ____________ collections.

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Q. MongoDB uses a ____________ lock that allows concurrent read access to a database but exclusive write access to a single write operation.

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Q. Which of the following sorting is not supported by MongoDB?

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Q. Which of the following is not a NoSQL database?

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Q. Point out the correct statement.

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Q. Which of the following is a NoSQL Database Type?

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Q. Which of the following is a wide-column store?

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Q. Point out the wrong statement.

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Q. “Sharding” a database across many server instances can be achieved with _______________

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Q. Most NoSQL databases support automatic __________ meaning that you get high availability and disaster recovery.

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Q. Which of the following are the simplest NoSQL databases?

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Q. ________ stores are used to store information about networks, such as social connections.

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Q. NoSQL databases is used mainly for handling large volumes of ______________ data.

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