Data-Centric Consistency Models Quiz
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Data-Centric Consistency Models Quiz

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@VigilantCopernicium

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Questions and Answers

What is the primary focus of data-centric consistency models?

  • Improving client response times
  • Enabling rapid update propagation
  • Facilitating user accessibility
  • Maintaining data integrity in distributed systems (correct)
  • Which of the following consistency types places the highest emphasis on global consistency?

  • Causal consistency
  • Strict consistency (correct)
  • Eventual consistency
  • Client-centric consistency
  • Which type of consistency allows for faster response times but may introduce inconsistencies?

  • Causal consistency
  • Sequential consistency
  • Client-centric consistency (correct)
  • FIFO consistency
  • What is a key trade-off when using data-centric consistency models?

    <p>Reduced performance for stronger data guarantees</p> Signup and view all the answers

    Which of the following is NOT a type of data-centric consistency?

    <p>Randomized consistency</p> Signup and view all the answers

    Study Notes

    Data-Centric Consistency Models

    • Aim to maintain data integrity in distributed systems.
    • Focus on how updates are synchronized across nodes for a consistent client view.

    Types of Data-Centric Consistency

    • Strict Consistency: Ensures all reads reflect the latest write; no delay in visibility.
    • Sequential Consistency: Operations appear to occur in some sequential order, respecting real-time order of operations.
    • Causal Consistency: Operations that are causally related are seen by clients in the same order, while independent operations may be seen in different orders.
    • FIFO (First In, First Out) Consistency: Guarantees that operations from a single client are seen by all clients in the order they were issued.

    Client-Centric Models

    • Focus on the perspectives of individual clients, providing quicker response times.
    • Allow for possible temporary inconsistencies between clients.
    • Data-Centric models promote stronger global consistency, which may impact performance negatively.

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    Description

    Test your knowledge on data-centric consistency models in distributed systems. This quiz covers types of consistency like strict, sequential, causal, and FIFO, analyzing their guarantees and trade-offs. Ideal for anyone studying data integrity and synchronization methods.

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