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MongoDB Interview Questions and Answers
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MongoDB
+1
vote
Q: Which is the method used to check the current length of replication lag?
asked
Apr 17, 2021
in
MongoDB
by
rajeshsharma
mongodb
mongodb-mcq
mongodo-interview-questions
mongodb-questions-answers
mongodb-best-questions
top-50-mongodb-mcq
0
votes
Q: If a ‘moveChunk’ fails, is it necessary to cleanup the partially moved docs?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongod-movechunk
0
votes
Q: How do you see the connections used by Mongos?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-connections
0
votes
Q: Can the old files in the ‘moveChunk’ directory be removed?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-movechunk
0
votes
Q: What happens when a Shard is down or slow when querying?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-query
0
votes
Q: What happens when a document is updated on a chunk that is being migrated?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-document-update
0
votes
Q: When will data be on more than one Shard?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-shard
0
votes
Q: How does Sharding work with replication?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-replication
0
votes
Q: Should you start out with Sharded or with a Non-Sharded MongoDB environment?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-environment
0
votes
Q: Is it required to call ‘getLastError’ to make a write durable?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongod-getlasterror
0
votes
Q: What’s a Secondary or Slave?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#secondary-mongodb
#slave-mongodb
0
votes
Q: What’s a Master or Primary?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-master
#mongodb-primary
+1
vote
Q: How long does replica set failover take?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-replica
0
votes
Q: Why are data files so large in mongodb?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-data-files
0
votes
Q: How do I do transactions/locking?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-tranactions
#mongodb-locking
0
votes
Q: Does an update fsync to disk immediately?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-fsync-disk
0
votes
Q: Are null values allowed in MongoDB?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-null-value
0
votes
Q: When an object attribute is removed, is it deleted from the store?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-object
0
votes
Q: What is a ‘namespace’ in mongodb?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-namespace
0
votes
Q: What is the role of profiler in MongoDB?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-profiler
0
votes
Q: Will there be journal replay programs in case of incomplete entries (if there is a failure in the middle of one)?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-journam-replay
0
votes
Q: What is 32-bit nuances?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongodb-nuances
+1
vote
Q: Can journaling feature be used to perform safe hot backups?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongod-features
+1
vote
Q: When using replication, can some members use journaling and others not?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongod-replication
0
votes
Q: What are the best features of MongoDB?
asked
Nov 1, 2020
in
MongoDB
by
SakshiSharma
#mongo-best-features
#best-features-mongodb
0
votes
Q: In MongoDB, identify the command that adds an shard with a sharded Cluster.
asked
Oct 26, 2020
in
MongoDB
by
AdilsonLima
#mangodb
mongodb
mongodb-mcq
mongodo-interview-questions
mongodb-questions-answers
mongodb-best-questions
top-50-mongodb-mcq
+1
vote
Q: How to add MongoDB array using insert() with example?
asked
Aug 24, 2020
in
MongoDB
by
Hodge
#mangodb
0
votes
Q: What is use of GridFS in mongodb?
asked
Aug 24, 2020
in
MongoDB
by
Hodge
#mangodb
+1
vote
Q: Is MongoDB is RDBMS or not?
asked
Aug 24, 2020
in
MongoDB
by
Hodge
#mangodb
0
votes
Q: What feature of MongoDB is used for safe backups?
asked
Aug 24, 2020
in
MongoDB
by
Hodge
#mangodb
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