a) XFS b) SSD c) SST d) All of the mentioned Answer: a Explanation: Some Linux distributions ...
View QuestionWhich of the following should be avoided with MongoDB Deployments?
a) RAID-5 b) RAID-10 c) RAID-7 d) RAID-0 Answer: d Explanation: While RAID-0 provides good write performance, ...
View Question________ do not typically provide sufficient performance to support a MongoDB deployment.
a) RAID-5 b) RAID-10 c) RAID-7 d) None of the mentioned Answer: a Explanation: Most MongoDB deployments ...
View QuestionThe ________ command returns information regarding the number of open connections.
a) connPoolStats b) connStats c) serverstats d) none of the mentioned Answer: a Explanation: To avoid overloading ...
View Question_______ concern describes the guarantee that MongoDB provides when reporting on the success of a write operation.
a) Write b) Read c) Read only d) SSD Answer: a Explanation: The strength of the ...
View QuestionMongoDB uses ________ logging to an on-disk journal.
a) write ahead b) read ahead c) write once d) read only Answer: a Explanation: Leave journaling ...
View Question_________ supports concurrent access by readers and writers to the documents in a collection.
a) MMAPv1 b) WiredTiger c) WirelessTiger d) All of the mentioned Answer: b Explanation: Clients can read ...
View QuestionAll collections have a unique ________ lock that allows multiple clients to modify documents in different collections at the same time.
a) writer b) readers-writer c) readers d) all of the mentioned Answer: b Explanation: Each database has ...
View QuestionPoint out the correct statement.
a) Replica set configuration is complex b) MongoDB includes support for two storage engines c) MongoDB includes support ...
View QuestionWhich of the following storage engine is supported by default?
a) MMAPv1 b) WiredTiger c) WirelessTiger d) All of the mentioned Answer: a Explanation: MongoDB includes support ...
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