This is a set of 25 questions of MongoDB MCQs. All questions and answers are based on our research and self-study. If you missed the latest MCQs post on our site please visit once.
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1.) Which is the method used to terminate certain operations after examination
2.) Which is the method in MongoDB that removes one or more roles from a user on the current database
3.) Which can be used to check the replica set configuration?
4.) Which of the following will help to identify long-running queries
5.) In MongoDB …….. is the operator limits the contents of an array field from the query
6.) Which model is used when there is contains relationships between entities
7.) Which of the following in MongoDB is a system that can help identify inefficient queries and operations.
8.) Which of the following in MongoDB can limit the size of the result document for a query operation.
9.) Which method is used to return information for all users associated with a database.
10.) Default size of Chunk in MongoDB _________________?
11.) Find the correct answer from the following In the absence of Primary, replica set cannot accept this operation
12.) Which is the method to check the size of the log for a given replica set member.
13.) In MongoDB ………….helps to synchronize data across multiple servers.
14.) Database profiler writes data in ___________________
15.) DB.isMaster() can be used to check connected node is primary or not
16.) The chunk operations performed on the background is __
17.) Which indexes use planar geometry when returning results.
18.) Which of the following is a capped collection
19.) Choose the data model which allows applications to store related pieces of information in the same database record
20.) Which of the following command is used in Determining Indexes Sizes and details of Indexes for Product Collection
21.) In MongoDB these are used to index array data
22.) Which is the method used to create Index in MongoDB
23.) Which is the Index used for multiple fields
24.) Which of the following method is used to create an Index in MongoDB
25.) Find the command which removes the user from the current database.
Answer Sheet for MongoDB MCQs
| Question Number | Question Answer |
| 1.) | Answer.) db.kill |
| 2.) | Answer.) db.revokeroles from user |
| 3.) | Answer.) rs. conf() |
| 4.) | Answer.) currentop |
| 5.) | Answer.) ELEMmatch |
| 6.) | Answer.) embedded |
| 7.) | Answer.) profiler |
| 8.) | Answer.) limit |
| 9.) | Answer.) getusers |
| 10.) | Answer.) 64mb |
| 11.) | Answer.) WRITE |
| 12.) | Answer.) printrepinfo |
| 13.) | Answer.) rep |
| 14.) | Answer.) All of the above |
| 15.) | Answer.) db.ismaster |
| 16.) | Answer.) split and balance |
| 17.) | Answer.) 2d Indexes |
| 18.) | Answer.) system.profile |
| 19.) | Answer.) embedded |
| 20.) | Answer.) DB.PRODUCTS.STATS() |
| 21.) | Answer.) Multikey Index |
| 22.) | Answer.) db.ensureIndex() |
| 23.) | Answer.) Compound Index |
| 24.) | Answer.) db.ensureIndex() |
| 25.) | Answer.) db.dropuser() |