MongoDB Perpetuus | Fresco Play
Question 1: Which is the method used to terminate certain operations after examination
Answer: db.killop()
Question 2: Which is the method in MongoDB removes a one or more roles from a user on the current database
Answer: db.revokeRolesFromUser()
Question 3: Which can be used to check the replica set configuration ?
Answer: rs.conf()
Question 4: Which of the following will help to identify long running queries
Answer: currentop
Question 5: In MongoDB ........ is the operator limits the contents of an array field from the query
Answer: ELEMmatch
Question 6: Which model is used when there is contains relationships between entities
Answer: embedded
Question 7: Which of the following in MongoDB is a system that can help identify inefficient queries and operations.
Answer: profiler
Question 8: Which of the following in MongoDB can limit the size of the result document for a query operation.
Answer: limit()
Question 9: Which method is used to return information for all users associated with a database.
Answer: db.getUsers()
Question 10: Default size of Chunk in MongoDB ___________
Answer: 64MB
Question 11: Find the correct answer from the following In the absence of Primary, replica set cannot accept this operations
Answer: read
Question 12: Which is the method to check the size of the oplog for a given replica set member.
Answer: printrepinfo
Question 13: In MongoDB .............helps to synchronize data across multiple servers.
Answer: Replication
Question 14: Database profiler writes data in --------------
Answer: all
Question 15: ______ can be used to check if the connected node is primary or not?
Answer: db.ismaster
Question 16: The chunk operations performed on background is ______
Answer: Spliting and balancing
Question 17: Which indexes uses planar geometry when returning results.
Answer: 2d Indexes
Question 18: Which of the following is a capped collection
Answer: system.profile
Question 19: Choose the data model which allow applications to store related pieces of information in the same database record
Answer: Embedded Model
Question 20: Which of the following command is used in Determining Indexes Sizes and details of Indexes for Product Collection
Answer: db.Products.stats();
Question 21: In MongoDB these are used to index array data
Answer: Mutikey Index
Question 22: Which is the method used to create Index in MongoDB
Answer: db.ensureIndex()
Question 23: Which is the Index used for muliple fields
Answer: Compound Index
Question 24: Which of the following method is used to create Index in MongoDB
Answer: db.ensureIndex()
Question 25: Find the command which removes the user from the current database.
Answer: db.dropuser()
Question 26: Which is the method used to check the current length of replication lag
Answer: rs.printSlaveReplicationInfo()
Question 27: Which is the command to Check the Size of the Oplog
Answer: rs.printReplicationInfo()
Question 28: In MongoDB identify the command which add an shard with a sharded Cluster
Answer: addShard
Question 29: In MongoDB which is the storage measure used by master's oplog ?
Answer: MB
Question 30: From the following find the background process that keeps chunks from growing too large.
Answer: Splitting
Question 31: The ........... is the command returns a document that provides an overview of the database’s state.
Answer: Serverstatus()
Question 32: nan
Answer: Status
Question 33: Find the command which forces MongoDB to use a particular index for a db.collection.find() operation
Answer: hint()
Question 34: Identify the index type that supports searching for string content in a collection.
Answer: text indexes
Question 35: Find a technique of splitting up a large collection among multiple server
Answer: Sharding
Question 36: Which is the method used in MongoDB to Grant user
Answer: db.grantRolesToUser()
Question 37: In MongoDB explain() option shows the number of documents looked for a query
Answer: nscanned
Question 38: Which of the following in MongoDB provides information for various lock types and lock modes held during the operation.
Answer: system.profile.locks
Question 39: In MongoDB ................. represents the number of times the operation had to wait for the acquireCount.
Answer: system.profile.locks.acquireWaitCount
Question 40: By default MongoDB Automatically logs slow queries above ..... ms to the log
Answer: 100
Question 41: Which will be command to return information on query plans and execution statistics of the query plans
Answer: explain()
Question 42: Choose the indexes to index the content stored in arrays
Answer: Multikey
Question 43: Which of the following is supported for backing up and restoring of MongoDB deployments
Answer: 1. MMS 2. All the Options
Question 44: Choose the operations that can be captured by database profiler ?
Answer: All the Options
Question 45: Which of the following will controls the amount of logging output that mongod write to the log.
Answer: systemLog.verbosity
Question 46: From the following find which will provides more even data distribution across the sharded cluster
Answer: Horizontal Pationing
Question 47: Which model is used to describe references relationships between documents
Answer: Normalized Model
Question 48: Mongo client will generates ....... command to initiate a new replica set.
Answer: rs.initiate()
Question 49: The ........... is the command returns a document that provides an overview of the database’s state.
Answer: hit()
Question 50: In DataProfiler ........ will shows to indicate there is no index use.
Answer: executionstats.nreturned
Question 51: Which is the Index used for multiple fields?
Answer: Compound Index
Question 52: In MongoDB, these are used to index array data. Choose the correct option(s).
Answer: Mutikey Index
Question 53: Choose the data model which allows applications to store related pieces of information in the same database record.
Answer: All the Options
Question 54: Which of the following can be used to check the status of replica set
Answer: rs.conf()
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