- AMutikey Index
- BCompound Index
- CSingle Field Index
- DAll the Options
Answer: JSON-like
Explanation: MongoDB uses JSON-like documents with optional schemas.
Answer: New York City
Explanation: MongoDB's US headquarters are located in New York City.
Answer: Windows Vista and later, Linux, OS X 10.7 and later, Solaris, and FreeBSD
Explanation: MongoDB is available on Windows Vista and later, Linux, OS X 10.7 and later, Solaris, and FreeBS
Answer: To enforce strict data validation rules
Explanation: A schema in MongoDB is used to enforce strict data validation rules.
Answer: A group of related fields
Explanation: A MongoDB document is a JSON-like object that contains related fields, similar to a row in a relational database.
Answer: All of the above
Explanation: MongoDB provides drivers and libraries for many programming languages, including SQL, Java, Python, and more.
Answer: FIND
Explanation: MongoDB uses commands like FIND, INSERT, UPDATE, and more to interact with the database.
Answer: WiredTiger
Explanation: The WiredTiger storage engine uses an optimistic concurrency protocol that effectively provides document-level locking.
Answer: 3.0
Explanation: Pluggable storage engines were introduced in MongoDB version 3.0.