Scalability Introduction and Design Goals Quiz
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What is the primary design goal for scalability mentioned in the text?

  • Replication and caching of data
  • Partition data and computations across multiple machines (correct)
  • Facilitate solution by moving computations to client
  • Decentralized naming and information services

    • Which of the following is NOT a technique for scaling systems mentioned in the text?

  • Facilitate solution by moving computations to client
  • Replicate and cache data across multiple machines
  • Make use of asynchronous communication
  • Implement a centralized naming service (correct)

    • What is the primary challenge with replication and caching mentioned in the text?

  • Increased communication latency
  • Lack of support for asynchronous communication
  • Inconsistency between replicated/cached copies (correct)
  • Difficulty in partitioning data and computations

    • Which of the following is an example of geographical scalability mentioned in the text?

    <p>Replicated file servers and databases</p> Signup and view all the answers

    Which of the following is an example of portability of applications mentioned in the text?

    <p>Decentralized information systems like the World Wide Web</p> Signup and view all the answers

    What is the purpose of having separate handlers for incoming responses, as mentioned in the text?

    <p>To facilitate asynchronous communication</p> Signup and view all the answers

    What is one of the root causes for scalability problems with centralized solutions?

    <p>Network between the user and the centralized service</p> Signup and view all the answers

    Why can't many distributed systems assume synchronous client-server interactions when expanding from LAN to WAN?

    <p>Latency issues may prevent the client from receiving quick responses</p> Signup and view all the answers

    In the context of scalability, what is one of the issues with administrative scalability?

    <p>Conflicting policies on usage, management, and security</p> Signup and view all the answers

    How can problems with geographical scalability be addressed in systems?

    <p>Developing separate naming and directory services</p> Signup and view all the answers

    What is a key challenge in moving streaming video from LAN to WAN?

    <p>Unreliable WAN links</p> Signup and view all the answers

    What is an example of a peer-to-peer network mentioned that does not face administrative scalability issues?

    <p>File-sharing systems (based on BitTorrent)</p> Signup and view all the answers

    Which of the following is NOT a key component of scalability in distributed systems?

    <p>Cost of hardware and infrastructure</p> Signup and view all the answers

    What is the primary challenge in achieving scalability for modern distributed systems?

    <p>Ensuring geographical and administrative scalability</p> Signup and view all the answers

    Which of the following statements about scalability in distributed systems is TRUE?

    <p>Administrative scalability is typically the least considered aspect</p> Signup and view all the answers

    What is a common solution to address size scalability in distributed systems?

    <p>Operating multiple powerful servers in parallel</p> Signup and view all the answers

    Which aspect of scalability is often overlooked or not fully addressed in modern distributed systems?

    <p>Both geographical and administrative scalability</p> Signup and view all the answers

    Which of the following statements about scalability in distributed systems is FALSE?

    <p>Most modern systems are designed to be scalable in all three dimensions</p> Signup and view all the answers

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