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MongoDB Online Skill Assessment Test

Topics Covered

  • Query Sample
  • MongoDB Facts
  • Denormalized Data Models
  • TTL Feature
  • New Data Creation
  • Query Retrieval
  • New Data Creation
  • Select statement in Mongo

Useful for hiring

  • MongoDB Developer
  • MongoDB expert
  • Full stack Web developer

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Question

Fix this query:
db.words.find({}).sort({spelling:1}).rows(3)

Answer
    • db.words.find({}).sort({spelling:1}).top(3)

    • db.words.find({}).sort({spelling:1}).limit(3)

    • db.words.find({}).sort({spelling:1}).find(3)

Question

Indexes can make document queries faster but:

Answer
    • They can make inserts and updates slightly slower

    • Require specialized query commands to even be leveraged (in other words, hints)

    • They do not work in a replica set environment

Question

Fix this query:
db.words.find({}).orderBy({spelling:1})

Answer
    • db.words.find({}).sortBy({spelling:1})

    • db.words.find({}).sort({spelling:1})

    • db.words.orderBy({spelling:1}).find({})

Test details:

This MongoDB interview test enables employers and recruiters to identify right fit candidate by evaluating working skills and job readiness. For this reason, the emphasis is laid upon evaluating the knowledge of applied skills gained through real work experience, rather than theoretical knowledge.

Test Details: 20 minutes 

20 Application Questions


The combination of Application and Theory questions helps to evaluate Technical as well as practical Skills of Candidates.

Test description:

MongoDB Online Test helps Recruiters & Hiring Managers in validating the skills of MongoDB Expert before an interview. MongoDB is an open source document and leading NoSQL database which works on concepts of documents and collection. MongoDB admin test is designed to check the development and web programming skills of MongoDB Expert- As per Industry Standards.

MongoDB assessment test contains questions on following Topics:
 

  • Query Sample

  • MongoDB Facts

  • Denormalized Data Models

  • TTL Feature

  • New Data Creation

  • Query Retrieval

  • New Data Creation

  • Select statement in Mongo 


MongoDB skills test is designed by our subject matter experts to evaluate knowledge of MongoDB Expert before hiring. Using powerful reporting, you can have a detailed analysis of the test results to help you make a better hiring decision and predict the candidate’s performance.

The test contains MCQ's (Multiple Choice Questions), MAQ's (Multiple Answer Questions), Fill in the Blank, Descriptive, True or False.

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  • Choose and add questions from Interview Mocha question libraries

  • Add your own set of questions

  • Customize test settings like duration, number of questions, passing score, web proctoring and much more

  • Mail us at support@interviewmocha.com to create a custom test

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