Q. Which of the following provide acceptable performance levels for multiple mongod instances?

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Q. What is the size of Chunk by default?

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Q. Which of the following sets the database profiler level?

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Q. Which of the following document configures the threshold which determines whether a query is “slow” for the purpose of the logging system?

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Q. ________ contains a counter of the total number of clients with active operations in progress or queued.

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Q. Point out the correct statement.

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Q. The ___________ collection stores custom roles that administrators create and assign to users to provide access to specific resources.

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Q. The _________ field provides the amount of resident memory in use.

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Q. Point out the correct statement.

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Q. When the TTL thread is active, you will see _______ operations in the output of db.currentOp().

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Q. MongoDB stores tag sets in the replica set configuration object, which is the document returned by _____

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Q. Which of the following represents Shared lock?

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Q. On Linux, use the ______ command to check if disk I/O is a bottleneck for your database.

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