Explanation:MongoDB stores documents on disk in the BSON serialization format. BSON is a binary representation of JSON documents, though it contains more data types than JSON. 10. Which of the following statement is incorrect about documents in MongoDB ?
A. The field names cannot start with the dollar sign ($) character
B. The field names cannot contain the dot (.) character
C. The field names cannot contain the null character
D. None of the mentioned
Answer:A
Explanation:MongoDB stores documents on disk in the BSON serialization format. BSON is a binary representation of JSON documents, though it contains more data types than JSON. 10. Which of the following statement is incorrect about documents in MongoDB ?
A. The field names cannot start with the dollar sign ($) character B. The field names cannot contain the dot (.) character C. The field names cannot contain the null character D. None of the mentioned
Explanation:BSON documents may have more than one field with the same name. Sanfoundry Global Education & Learning Series – MongoDB.