MongoDB

MongoDB

Production MongoDB has 11 Questions

Which of the following storage engine is supported by default ?

MMAPv1
WiredTiger
WirelessTiger
All of the mentioned
Point out the correct statement :

Replica set configuration is complex
MongoDB includes support for two storage engines
MongoDB includes support for more than three storage engines
All of the mentioned
All collections have a unique ________ lock that allows multiple clients to modify documents in different collections at the same time.

writer
readers-writer
readers
All of the mentioned
_________ supports concurrent access by readers and writers to the documents in a collection.

MMAPv1
WiredTiger
WirelessTiger
All of the mentioned
Point out the correct statement :

MongoDB distributions are currently available for Mac OS X, Linux, Windows Server 2012, Windows Server 2008 R2 64bit, Windows 7 (64 bit), Windows Vista, and Solaris
The MongoDB distribution for Solaris include support for the WiredTiger storage engine
mongod will not start if dbPath contains data files created by a storage engine
None of the mentioned
MongoDB uses ________ logging to an on-disk journal.

write ahead
read ahead
write once
read only
_______ concern describes the guarantee that MongoDB provides when reporting on the success of a write operation.

Write
Read
Read only
SSD
The ________ command returns information regarding the number of open connections

connPoolStats
connStats
serverstats
None of the mentioned
________ do not typically provide sufficient performance to support a MongoDB deployment

RAID-5
RAID-10
RAID-7
None of the mentioned
hich of the following should be avoided with MongoDB Deployments ?

RAID-5
RAID-10
RAID-7
RAID-0
hich of the following should be avoided with MongoDB Deployments ?

RAID-5
RAID-10
RAID-7
RAID-0