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Which of the tags in a replica set configuration specify the operations to be read from the node with the least network latency?
Which of the tags in a replica set configuration specify the operations to be read from the node with the least network latency?A . netLatencyB . secondaryPreferredC . nearestD . primaryPreferredView AnswerAnswer: C
Which of the following is supported by MongoDB?
Which of the following is supported by MongoDB?A . Transaction ManagementB . ACID TransactionsC . JournalingD . Relationships between Collections (Primary Key Foreign Key)View AnswerAnswer: C
What tool do you use to see if you have a problem in the consumption of disk I / 0?
CORRECT TEXT What tool do you use to see if you have a problem in the consumption of disk I / 0?View AnswerAnswer: Mongoperf
What should be the value of j?
In a sharded replica set environment, the w Option provides ability for write concern and j Option provides ability for the data to be written on disk journal. Consider that we have a seven member replica set and we want to assure that the writes are committed to journal. What...
In order to ensure that you can maintain high availability in the face of server failure, you should implement which of the following?
In order to ensure that you can maintain high availability in the face of server failure, you should implement which of the following?A . ShardingB . Properly defined user rolesC . ReplicationD . Put indexes on all of your documentsE . The proper storage engineView AnswerAnswer: C
Which option should be used to update all the documents with the specified condition in the MongoDB query?
Which option should be used to update all the documents with the specified condition in the MongoDB query?A . specify {all: true} as the third parameter of update commandB . updateAII instead of updateC . specify {updateAII: true} as the third parameter of update commandD . specify {multi: true} as...
Which node in a replica set does accept write operation?
Which node in a replica set does accept write operation?A . arbiterB . hiddenC . primaryD . secondaryView AnswerAnswer: C
Which of the following statements are true about the $match pipeline operator? Check all that apply.
Which of the following statements are true about the $match pipeline operator? Check all that apply.A . You should use it early as possible in the pipelineB . It can be used as many time as needed.C . It has a sintax similar to findQ commands.View AnswerAnswer: A,B,C
Which features of relational database management systems were deliberately omitted in MongoDB and help us to obtain horizontal scalability? Check all that apply.
Which features of relational database management systems were deliberately omitted in MongoDB and help us to obtain horizontal scalability? Check all that apply.A . Multi-statement transactionsB . JoinsC . AuthenticationView AnswerAnswer: A,B
Which of the following operators is used to updated a document partially?
Which of the following operators is used to updated a document partially?A . $setB . $updateC . $projectD . $modifyView AnswerAnswer: A
