a) vertical b) sharded c) horizontal d) none of the mentioned Answer: b Explanation: MongoDB can both ...
View QuestionWhich of the following operator is not very selective?
a) $nine b) $nin c) $ain d) None of the mentioned Answer: b Explanation: The inequality operators ...
View Question____________ is a client or database-generated identifier that uniquely identifies this message.
a) messageLength b) responseTo c) requestID d) all of the mentioned Answer: c Explanation: For the case of client-generated messages, it will be ...
View QuestionThe __________ method returns a document that includes a metrics field.
a) db.serverStats() b) db.serverStatus() c) db.status() d) all of the mentioned Answer: b Explanation: The metrics field ...
View Question_____________ specifies the number of documents to return in each batch of the response from the MongoDB instance.
a) cursor.batchSize(size) b) cursor.Size(size) c) cursor.batch(size) d) all of the mentioned Answer: a Explanation: Specifying 1 ...
View QuestionPoint out the wrong statement.
a) The MongoDB Wire Protocol is a simple socket-based, request-response style protocol b) For queries that include a ...
View QuestionTo describe the message structure, a ________ like struct is used.
a) Pascal b) C++ c) C d) Java Answer: c Explanation: The standard message header is typed ...
View QuestionWhich of the following will display complete list of available cursor flags?
a) cursor.Option() b) cursor.addOption() c) cursor.addOptions() d) all of the mentioned Answer: b Explanation: You should either ...
View QuestionPoint out the correct statement.
a) Intervening read operations on a document may result in a cursor that returns a document more than ...
View QuestionWhich of the following flag can be set by mongo shell?
a) Timeout b) noTimeout c) Time d) None of the mentioned Answer: b Explanation: By default, the ...
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