Q. Point out the correct statement.

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Q. All collections have a unique ________ lock that allows multiple clients to modify documents in different collections at the same time.

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Q. _________ supports concurrent access by readers and writers to the documents in a collection.

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Q. MongoDB uses ________ logging to an on-disk journal.

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Q. _______ concern describes the guarantee that MongoDB provides when reporting on the success of a write operation.

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Q. The ________ command returns information regarding the number of open connections.

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Q. ________ do not typically provide sufficient performance to support a MongoDB deployment.

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Q. Which of the following should be avoided with MongoDB Deployments?

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Q. With the WiredTiger storage engine, use of _______ is strongly recommended to avoid performance issues.

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Q. Point out the correct statement.

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Q. MongoDB requires a filesystem that supports ______ on directories.

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Q. MongoDB Cloud Manager provides integration with Amazon Web Services (AWS) and lets you deploy new ______ instances directly from MongoDB Cloud Manager.

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Q. Point out the wrong statement.

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Q. WiredTiger can compress collection data using either snappy or zlib compression library.

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Q. Which of the following is especially important in Sharded Clusters?

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Q. The TCP keepalive on the Azure load balancer is ______ seconds by default.

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Q. _____ is a command-line tool for monitoring network use.

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Q. MongoDB supports tagging a range of _______ key values to associate that range with a shard or group of shards.

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Q. Point out the correct statement.

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Q. The _______ migrates chunks of documents in a sharded collection to the shards associated with a tag.

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