Question 31 : _______________ is a specification for storing and retrieving files that exceed the BSON-document size limit of 16MB.
1. DataFS
2. GridFS
3. ReadFS
4. None of the mentioned
View Answer   Discuss with Members

Question 32 : Capped collections provide __________ management of inserted documents in MongoDB.
1. FIFO
2. LIFO
3. LRU
4. MRU
View Answer   Discuss with Members

Question 33 : The __________ feature of collections expires documents after a period of time.
1. TEL
2. TTL
3. TPL
4. None of the mentioned
View Answer   Discuss with Members

Question 34 : To get the current number of namespaces in the mongo shell, use :
1. db.system.namespaces.countc()
2. db.system.namespaces.count(*)
3. db.system.namespaces.count()
4. all of the mentioned
View Answer   Discuss with Members

Question 35 : MongoDB using the mmapv1 storage engine has limits on the number of __________ .
1. namespaces
2. collections
3. documents
4. none of the mentioned
View Answer   Discuss with Members

Question 36 : Normalized data models describe relationships using ___________ between documents.
1. relativeness
2. references
3. evaluation
4. none of the mentioned
View Answer   Discuss with Members

Question 37 : Embedded data model is used when you have _________ relationships between entities
1. contains
2. isa
3. inheritance
4. all of the mentioned
View Answer   Discuss with Members

Question 38 : ___________ data models allow applications to store related pieces of information in the same database record.
1. Reference
2. Embedded
3. External
4. None of the mentioned
View Answer   Discuss with Members

Question 39 : Each index in MongoDB requires at least _________ of data space.
1. 8KB
2. 28KB
3. 68KB
4. 108KB
View Answer   Discuss with Members

Question 40 : ___________ strategy is used to explicitly avoid document growth.
1. deallocation
2. allocation
3. pre-allocation
4. none of the mentioned
View Answer   Discuss with Members