a) mongod b) mongos c) mongo d) mongoc Answer: a Explanation: Acknowledged write concern allows clients to ...
View QuestionWith an __________ write concern, MongoDB does not acknowledge the receipt of write operations.
a) Nacknowledged b) Acknowledgement c) Acknowledged d) Unacknowledged Answer: d Explanation: Unacknowledged is similar to errors ignored.
View QuestionMongoDB does not ___________ modifications made before the wtimeout interval expired.
a) commit b) rollback c) save d) all of the mentioned Answer: b Explanation: The driver’s ability ...
View QuestionClients can set a __________ value as part of a replica acknowledged write concern.
a) timeout b) wtimeout c) waittimeout d) none of the mentioned Answer: b Explanation: If the write ...
View Question_____________ is used to control mongod commits in the journal.
a) commitIntervMs b) commitInterval c) commitIntervalMs d) all of the mentioned Answer: c Explanation: For replica ...
View QuestionPoint out the wrong statement.
a) When a query does not include a shard key, the mongos can use cluster metadata from the ...
View QuestionThe mongo shell and the MongoDB drivers use __________ as the default write concern.
a) Nacknowledged b) Acknowledgement c) Acknowledged d) All of the mentioned Answer: c Explanation: MongoDB allows clients ...
View QuestionWhen inserts, updates and deletes have a _________ write concern, write operations return quickly.
a) strong b) weak c) average d) very strong Answer: b Explanation: With stronger write concerns, clients ...
View QuestionPoint out the correct statement.
a) Read operations on sharded clusters are most efficient when directed to a specific shard b) Sharded clusters ...
View Question___________ concern describes the guarantee that MongoDB provides when reporting on the success of a write operation.
a) Write b) Read c) Update d) None of the mentioned Answer: a Explanation: The strength of ...
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