gs gs112 Sharding Concepts, Mechanics and Sharded Cluster - Sharded Cluster Data Management - Quiz No.1
gs gs112 MongoDB Quiz
This quiz belongs to book/course code gs gs112 MongoDB of gs organization. We have 98 quizzes available related to the book/course MongoDB. This quiz has a total of 10 multiple choice questions (MCQs) to prepare and belongs to topic Sharding Concepts, Mechanics and Sharded Cluster. NVAEducation wants its users to help them learn in an easy way. For that purpose, you are free to prepare online MCQs and quizzes.
NVAEducation also facilitates users to contribute in online competitions with other students to make a challenging situation to learn in a creative way. You can create one to one, and group competition on an topic of a book/course code. Also on NVAEducation you can get certifications by passing the online quiz test.
Question 1: _______ runs a database command against the admin database of a mongos instance.
sh._checkFullName()
sh._adminCommand()
sh.getBalancerLockDetails()
all of the mentioned
Question 2: Point out the correct statement.
The unique constraint on indexes ensures that only one document can have a value for a field in a collection
MongoDB support creating new unique indexes in sharded collections
If you use a compound shard key, you cannot enforce uniqueness on the combination of component keys in the shard key
All of the mentioned
Question 3: ________ tests to see if the mongo shell is connected to a mongos instance.
sh._checkMongos()
sh.addShard()
sh._lastMigration()
all of the mentioned
Question 4: _______ reports on the active balancer lock, if it exists.
sh._checkFullName()
sh._adminCommand()
sh.getBalancerLockDetails()
all of the mentioned
Question 5: Point out the wrong statement.
The best way to ensure a field has unique values is to generate universally unique identifiers (UUID,) such as MongoDB’s ‘ObjectId values
Most deployments will not need to shard the files collection
The files collection is typically small, and only contains metadata
None of the mentioned
Question 6: _________ reports on the last chunk migration.
sh._checkMongos()
sh.addShard()
sh._lastMigration()
all of the mentioned
Question 7: _________ removes an association between a range shard keys and a shard tag.
sh.removeTagRange()
sh._checkMongos()
sh.disableBalancing()
none of the mentioned
Question 8: _________ disable balancing on a single collection in a sharded database.
sh.removeTagRange()
sh._checkMongos()
sh.disableBalancing()
none of the mentioned
Question 9: _______ activates the sharded collection balancer process if previously disabled using sh.disableBalancing().
sh.getBalancerHost()
sh.enableBalancing()
sh.enableSharding()
all of the mentioned
Question 10: ________ returns a boolean to report if the balancer is currently enabled.
sh.getBalancerHost()
sh.enableBalancing()
sh.getBalancerState()
none of the mentioned
Online Quizzes of gs112 MongoDB
GridFS, BSON Datatype and Administration Concepts - BSON - Quiz No.1
gs gs112
MongoDB Online Quizzes
