A. db.serverStats()
B. db.serverStatus()
C. db.status()
D. all of the mentioned
Which of the following operator is not very selective ?
An index cannot cover a query on a _______ collection when run against a mongos if the index does not contain the shard key.
Replica set configuration requires that the _______ have a value that is consistent among all members of the set.
Setting _______ enables authentication and specifies a key file for the replica set member use to when authenticating to each other.
_______ is /srv/mongodb, which specifies where MongoDB will store its data files
Point out the correct statement :
_____ bit builds of mongod enable journaling by default.
Which of the following provide acceptable performance levels for multiple mongod instances?
What is the size of Chunk by default ?
Which of the following sets the database profiler level ?