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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. Point out the correct statement.

View solution

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

View solution

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

View solution

Q. Point out the wrong statement.

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. Point out the correct statement.

View solution

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

View solution

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

View solution