MongoDB Skills Test: Trivia Quiz

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Samy Boulos, MSc (Computer Science) |
Computer Science
Review Board Member
With over 25 years of expertise, Samy is a seasoned Senior Technology Consultant. His extensive background spans diverse areas such as software development, data migration, Apple and Office 365 integration, computer helpdesk support, data engineering, and cloud computing. A dedicated professional, Samy combines technical proficiency with a strategic mindset, ensuring optimal solutions for complex technological challenges. His vast experience positions him as a reliable and knowledgeable consultant in navigating the ever-evolving landscape of IT and technology.
 , MSc (Computer Science)
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MongoDB Skills Test: Trivia Quiz - Quiz


Welcome to our MongoDB Skills Quiz! This quiz is tailored for developers and database professionals who want to evaluate their expertise and deepen their understanding of MongoDB, a leading NoSQL database. MongoDB is renowned for its high performance, high availability, and easy scalability, making it a popular choice for managing document-oriented and unstructured data.

Our quiz covers a wide range of topics from basic concepts to more advanced features of MongoDB. You'll be tested on your knowledge of document schemas, indexing, aggregation frameworks, data replication, sharding strategies, and MongoDB's query language. Each question is designed to challenge your ability to Read moreapply MongoDB in real-world scenarios, enhancing both your practical skills and theoretical knowledge.

Whether you're a beginner looking to grasp the essentials or an experienced professional aiming to polish your skills, this quiz offers a comprehensive assessment of your MongoDB capabilities. Dive in to discover where you stand, identify areas for improvement, and confirm your readiness to work with one of the most innovative databases in the tech industry.

MongoDB Skills Questions and Answers

  • 1. 

    MongoDB is a__ type of database.

    • A.

      SQL database

    • B.

      NoSQL database

    • C.

      Column database

    • D.

      Row database

    Correct Answer
    B. NoSQL database
    Explanation
    MongoDB is classified as a NoSQL database because it does not use the traditional SQL language for querying and manipulating data. Instead, it uses a flexible, document-oriented approach where data is stored in JSON-like documents. NoSQL databases are known for their ability to handle large amounts of unstructured or semi-structured data, making them suitable for modern applications that require scalability and flexibility.

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  • 2. 

    When was MongoDB first developed? 

    • A.

      2005

    • B.

      2007

    • C.

      2009

    • D.

      2011

    Correct Answer
    B. 2007
    Explanation
    MongoDB was first developed in 2007.

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  • 3. 

    Which of these popular websites uses MongoDB as a backend? 

    • A.

      Amazon

    • B.

      Ebay

    • C.

      Aliexpress

    • D.

      Yahoo

    Correct Answer
    B. Ebay
    Explanation
    Ebay uses MongoDB as a backend.

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  • 4. 

    Which of these is not a feature of MongoDB? 

    • A.

      Extraction

    • B.

      Indexing

    • C.

      Replication

    • D.

      Aggregation

    Correct Answer
    A. Extraction
    Explanation
    Extraction is not a feature of MongoDB. MongoDB is a NoSQL database that offers features like indexing, replication, and aggregation. Indexing allows for efficient querying and searching of data, replication ensures data redundancy and high availability, and aggregation allows for complex data analysis and processing. However, extraction, which typically refers to the process of retrieving specific data from a database, is not mentioned as a feature of MongoDB.

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  • 5. 

    How many fields in a BSON can be indexed in MongoDB? 

    • A.

      2

    • B.

      3

    • C.

      4

    • D.

      All

    Correct Answer
    D. All
    Explanation
    All fields in a BSON can be indexed in MongoDB. This means that any field within a BSON document can be indexed to improve query performance. By indexing all fields, MongoDB allows for efficient searching and sorting operations on any field in the document. This flexibility in indexing is a key feature of MongoDB that enables developers to optimize their database queries based on their specific application requirements.

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  • 6. 

    What type of document storage does MongoDB make use of? 

    • A.

      DOCX

    • B.

      JSON

    • C.

      BSON

    • D.

      JQUERY

    Correct Answer
    C. BSON
    Explanation
    MongoDB makes use of BSON (Binary JSON) as its document storage format. BSON is a binary representation of JSON-like documents, providing a more efficient and compact way to store and retrieve data. It includes additional data types compared to JSON, such as Date and Binary, and supports indexing and querying for efficient data retrieval. BSON is used by MongoDB to store and manipulate data, making it a suitable choice for handling large amounts of structured and unstructured data.

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  • 7. 

    Who were the developers of MongoDB? 

    • A.

      Dwight and Merriman

    • B.

      Merrimack and Jason

    • C.

      Sandra and Jason

    • D.

      Merriman and Zuckerberg

    Correct Answer
    A. Dwight and Merriman
    Explanation
    Dwight and Merriman were the developers of MongoDB.

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  • 8. 

    What language is used in writing MongoDB?

    • A.

      C++ , C and Java

    • B.

      C, Java and PHP 

    • C.

      Python, Java and HTML

    • D.

      C++ , C and JavaScript

    Correct Answer
    D. C++ , C and JavaScript
    Explanation
    MongoDB is written primarily in C++ and C, which are low-level programming languages known for their efficiency and performance. However, MongoDB also uses JavaScript as its query language, allowing users to interact with the database using JavaScript syntax. This combination of languages allows MongoDB to leverage the power and speed of C++ and C for its core functionality, while also providing a user-friendly interface through JavaScript.

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  • 9. 

    The MongoDB Inc hosts an annual developer conference called__

    • A.

      MongoDB developers conference

    • B.

      MongoDBs

    • C.

      MongoDB world

    • D.

      MongoDB conference

    Correct Answer
    C. MongoDB world
    Explanation
    The correct answer is "MongoDB world" because it is stated in the question that MongoDB Inc hosts an annual developer conference, and the most likely name for this conference would be "MongoDB world."

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  • 10. 

    MongoDB is made available for free using the__

    • A.

      Public Domain License

    • B.

      GNU Affero General Public License

    • C.

      Permissive Software License

    • D.

      Copyleft Software License

    Correct Answer
    B. GNU Affero General Public License
    Explanation
    MongoDB is made available for free using the GNU Affero General Public License. This license is a copyleft license that requires any modifications or derivatives of the software to also be released under the same license. This ensures that the software remains open source and freely available to the community.

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Samy Boulos |MSc (Computer Science) |
Computer Science
With over 25 years of expertise, Samy is a seasoned Senior Technology Consultant. His extensive background spans diverse areas such as software development, data migration, Apple and Office 365 integration, computer helpdesk support, data engineering, and cloud computing. A dedicated professional, Samy combines technical proficiency with a strategic mindset, ensuring optimal solutions for complex technological challenges. His vast experience positions him as a reliable and knowledgeable consultant in navigating the ever-evolving landscape of IT and technology.

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  • Current Version
  • May 07, 2024
    Quiz Edited by
    ProProfs Editorial Team

    Expert Reviewed by
    Samy Boulos
  • Mar 20, 2018
    Quiz Created by
    Cripstwick

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