Test Your Distributed Systems Knowledge with this Quiz!
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Questions and Answers

What is the goal of distributed systems?

  • To provide higher-level abstractions
  • To share memory among different systems
  • To offer a uniform interface to the system
  • To appear as a single coherent system to its users (correct)
  • What is the characteristic of a distributed system?

  • Centralized communication
  • Message-based communication (correct)
  • Homogeneity
  • Shared memory
  • What is the role of middleware in a distributed system?

  • To provide a uniform interface to the system (correct)
  • To hide internal organization and communication details
  • To offer high-level abstractions
  • To share memory among different systems
  • What is the focus of the course on distributed systems?

    <p>Design of modern systems</p> Signup and view all the answers

    What is MapReduce?

    <p>A case study in data-parallel programming at scale</p> Signup and view all the answers

    What is the Cloud?

    <p>A group of companies such as Google and Facebook</p> Signup and view all the answers

    What is the requirement for a distributed system to provide a single-system image?

    <p>To hide internal organization and communication details</p> Signup and view all the answers

    What is the case study in data-parallel programming at scale?

    <p>MapReduce</p> Signup and view all the answers

    Study Notes

    Distributed Systems Lecture 1 Summary

    • Backrub, which became Google, was founded in 1997.
    • The Cloud is not amorphous, but consists of companies such as Google, Facebook, and Microsoft.
    • Facebook's Prineville data center has $250M physical infrastructure and $1B IT infrastructure.
    • Distributed systems provide higher-level abstractions to hide complexity, scalability, reliability, well-defined semantics, and security.
    • The goal of distributed systems is to appear as a single coherent system to its users.
    • A distributed system is characterized by no shared memory, message-based communication, each running its own local OS, and heterogeneity.
    • To present a single-system image, a distributed system hides internal organization and communication details while providing a uniform interface.
    • A distributed system is organized as middleware, running on all machines and offering a uniform interface to the system.
    • The course aims to teach the principles and techniques behind the design of modern, reliable, and high-performance systems, with a focus on distributed systems.
    • The course references books such as The Go Programming Language and Distributed Systems: Principles and Paradigms.
    • The course prohibits copying another person's programs, comments, README description, or any part of submitted assignments, and publishing code on Github during/after the course.
    • MapReduce is a case study in data-parallel programming at scale, where partial aggregation is used to compute word counts from individual files in parallel, merge intermediate output, and compute word count on merged intermediates.

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    Test your knowledge of distributed systems with this quiz! From the basics of message-based communication to the principles and techniques behind designing modern, reliable, and high-performance systems, this quiz covers it all. See how much you know about the Cloud, middleware, and the goal of appearing as a single coherent system to users. Don't forget to brush up on data-parallel programming with the MapReduce case study. Put your skills to the test and take this quiz now!

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