MongoDB Online Test

Instructions:

This practice test has 20 questions
You have to attempt all the questions
Time will be 05:00 minute for 20 questions. After 05:00 minute, practice test will be submitted automatically and you will redirect to result page.
This practice test is for self evalutation, if you get less marks then passing marks. Please prepare more for get excellent mark next time
Best of luck :)

1. What is a common use case for MongoDB in the gaming industry?

Storing customer reviews Managing player profiles Inventory management Real-time analytics

2. In MongoDB, what is the role of the "config servers" in a sharded cluster setup?

Data storage Query optimization Managing metadata Ensuring data consistency

3. What is a common practice for securing data at rest in MongoDB?

Use of username and password Encryption of data Frequent data backups Data replication

4. Which operator is used to perform text searches in MongoDB?

$search $text $find $query

5. How are relationships between entities typically represented in MongoDB data modeling?

Embedding Joining Indexing Normalizing

6. What is a primary use case for MongoDB in terms of data flexibility and scalability?

Handling large volumes of unstructured data Complex queries Data consistency Small-scale applications

7. What is the primary goal of sharding key selection in MongoDB?

To minimize data distribution To maximize data distribution To simplify query routing To enforce data encryption

8. How can you control the search relevancy of individual text index fields in MongoDB?

Use the "$text" operator with the "score" option Adjust the "weights" option Use the "$sort" operator Create a compound index

9. What is geospatial data in MongoDB?

Data stored in databases Data related to geography Data about space exploration Data with latitude and longitude

10. What does ACID stand for in the context of database transactions?

Atomicity, Consistency, Isolation, Durability Advanced Coding Serializable, Integrity, Compliance, Durable All in One Datastore

11. How are elections for a new primary node managed in a replica set?

Automatic Manually initiated Through a voting process Based on hostname

12. Which MongoDB version introduced support for multi-document transactions?

MongoDB 2.4 MongoDB 3.0 MongoDB 4.0 MongoDB 4.2

13. What is the primary goal of monitoring in MongoDB?

Data modeling Performance optimization Data storage efficiency Identifying and resolving issues

14. How can you update or maintain MongoDB drivers in an application?

Manually write code Automatically update via package manager Hire a MongoDB developer Use the "MongoDB Driver Manager" tool

15. What is the key feature of MongoDB Atlas that simplifies database deployment and management?

Auto-sharding NoSQL database Serverless computing Automated operations

16. Which type of database is typically best suited for complex, structured data with fixed schemas?

SQL NoSQL Both SQL and NoSQL Neither SQL nor NoSQL

17. Which consistency guarantee level ensures that a read operation will see the most recent data as of the time the operation started?

Linearizable Eventual Causal Snapshot

18. Which MongoDB feature helps reduce downtime and data loss by automatically promoting a secondary replica in case of a primary's failure?

Clustering Replication Sharding Failover mechanism

19. What is the default port for MongoDB?

27017 3306 5432 6379

20. What is the role of a load balancer in a sharded cluster setup in MongoDB?

Data storage Query optimization Distributing client requests Managing replica sets