Q. With a receipt acknowledged write concern, the _________confirms that it received the write operation and applied the change to the in-memory view of data.

View solution

Q. With an __________ write concern, MongoDB does not acknowledge the receipt of write operations.

View solution

Q. MongoDB does not ___________ modifications made before the wtimeout interval expired.

View solution

Q. Clients can set a __________ value as part of a replica acknowledged write concern.

View solution

Q. _____________ is used to control mongod commits in the journal.

View solution

Q. Point out the wrong statement.

View solution

Q. The mongo shell and the MongoDB drivers use __________ as the default write concern.

View solution

Q. When inserts, updates and deletes have a _________ write concern, write operations return quickly.

View solution

Q. Point out the correct statement.

View solution

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

View solution

Q. An index cannot cover a query on a _______ collection when run against a mongos if the index does not contain the shard key.

View solution

Q. Which of the following operator is not very selective?

View solution

Q. ____________ is a client or database-generated identifier that uniquely identifies this message.

View solution

Q. The __________ method returns a document that includes a metrics field.

View solution

Q. ______________ specifies the number of documents to return in each batch of the response from the MongoDB instance.

View solution

Q. Point out the wrong statement.

View solution

Q. To describe the message structure, a ________ like struct is used.

View solution

Q. Which of the following will display complete list of available cursor flags?

View solution

Q. Point out the correct statement.

View solution

Q. Which of the following flag can be set by mongo shell?

View solution