Question 61 : In the mongo shell, you can access the creation time of the ObjectId, using the ______ method..
1. getTime()
2. getTimestamp()
3. Timestamp()
4. None of the mentioned
View Answer   Discuss with Members

Question 62 : There is _________ byte counter in BSON, starting with a random value
1. 2
2. 3
3. 4
4. None of the mentioned
View Answer   Discuss with Members

Question 63 : Each data type has a corresponding number that can be used with the _______ operator to query documents by BSON type.
1. $type
2. $server
3. $agent
4. None of the mentioned
View Answer   Discuss with Members

Question 64 : Which of the following data type is depreciated ?
1. Double
2. String
3. Object
4. Undefined
View Answer   Discuss with Members

Question 65 : _________ is a binary serialization format used to store documents and make remote procedure calls in MongoDB.
1. BSON
2. GridFS
3. JSON
4. None of the mentioned
View Answer   Discuss with Members

Question 66 : The GridFS index allows efficient retrieval of __________ using the files_id and n values
1. chunks
2. files
3. bson
4. none of the mentioned
View Answer   Discuss with Members

Question 67 : The ___ field contains the sequence number of the chunk.
1. x
2. array
3. field
4. n
View Answer   Discuss with Members

Question 68 : Each document in the __________ collection represents a distinct chunk of a file as represented in the GridFS store.
1. chunks
2. files
3. bson
4. none of the mentioned
View Answer   Discuss with Members

Question 69 : MongoDB represents queries as ___________ objects.
1. BSON
2. JSON
3. GSON
4. None of the mentioned
View Answer   Discuss with Members

Question 70 : Point out the wrong statement :
1. Chunks in the context of GridFS is related to the use of the term chunks in the context of sharding
2. The default chunk size changed from 256k to 255k
3. If you need to query the database for exact, mathematically valid matches, use Ambiguity Precision
4. None of the mentioned
View Answer   Discuss with Members