R4RIN – MCQs, Mock Tests | MongoDB MongoDB Mcq Question Set 20

GridFS is useful only for storing files that exceed 16MB

1. TRUE
2. FALSE
3. Can be true or false
4. Can not say

✅ Correct Answer: 2

The key consideration for the structure of your documents is the decision to embed or to use references

1. TRUE
2. FALSE
3. Can be true or false
4. Can not say

✅ Correct Answer: 1

MongoDB can be used as a _______, taking advantage of load balancing and data replication features over multiple machines for storing files.

1. AMS
2. CMS
3. File system
4. None of the mentioned

✅ Correct Answer: 1

Point out the wrong statement :

1. Secondary indices is not available in MongoDB
2. MongoDB supports search by field, range queries, regular expression searches
3. MongoDB can store the business subject in the minimal number of documents
4. All of the Mentioned

✅ Correct Answer: 1

Which of the following is a NoSQL Database Type ?

1. SQL
2. Document databases
3. JSON
4. All of the Mentioned

✅ Correct Answer: 2

Which of the following is a wide-column store ?

1. Cassandra
2. Riak
3. MongoDB
4. Redis

✅ Correct Answer: 1

Point out the wrong statement :

1. Non Relational databases require that schemas be defined before you can add data
2. NoSQL databases are built to allow the insertion of data without a predefined schema
3. NewSQL databases are built to allow the insertion of data without a predefined
4. All of the Mentioned

✅ Correct Answer: 1

Which of the following language is MongoDB written in ?

1. Javascript
2. C
3. C++
4. All of the Mentioned

✅ Correct Answer: 4

Which of the following sorting is not supported by MongoDB ?

1. collation
2. collection
3. heap
4. None of the mentioned

✅ Correct Answer: 1

______ method renders the document in a JSON-like format.

1. displayjson
2. print
3. printjson
4. printdoc

✅ Correct Answer: 3

Point out the wrong statement.

1. Documents have static schema in MongoDB
2. Eventually-consistent reads can be distributed over replicated servers
3. Indexes can include keys from embedded documents and arrays
4. None of the mentioned

✅ Correct Answer: 1