My Report

MongoDB Practice Test 7


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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1. Which of the following accepts a single argument expression?

2. COUNT function is provided by _________ in MongoDB.

3. MongoDB provides a ________ index type that supports searching for string content in a collection.

4. Index __________ does not eliminate the need for creating compound indexes.

5. In the vars assignment block, ________ refers to the value of an externally defined variable low.

6. Which of the following function follows the reduce method and modifies the output?

7. To support ________ based sharding, MongoDB provides a hashed index type.

8. Before version _______ capped collections did not have an _id field.

9. The _____ JavaScript engine allows multiple JavaScript operations to execute at the same time.

10. ____________ works similar to HAVING clause in SQL.


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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