Operating Systems and Cybersecurity Quiz
12 Questions
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Operating Systems and Cybersecurity Quiz

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@JubilantBanjo

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Questions and Answers

What does the term 'Masquerading' refer to in the context provided?

  • Pretending to be an authorised user to escalate privileges
  • Intruder sits in data flow, masquerading as sender to receiver and vice versa (correct)
  • Message modification
  • Intercepting an already-established session to bypass authentication
  • What is the primary characteristic of Malware based on the text?

  • Program frequently installed with legitimate software to display ads, capture user data
  • A data lock via encryption, demanding payment to unlock it
  • Software designed to exploit, disable, or damage computer (correct)
  • Intruder sits in data flow, masquerading as sender to receiver and vice versa
  • What is the purpose of Rings of Protection as mentioned in the text?

  • Separate functions into domains and order them (correct)
  • Join functions into domains
  • Join processes into domains
  • Separate processes into domains and order them
  • What does an Access matrix represent based on the text?

    <p>A table that defines access permissions between specific subjects and objects</p> Signup and view all the answers

    In the context of heterogeneous computing, what does domain decomposition involve?

    <p>Deciding how data elements should be divided among processors</p> Signup and view all the answers

    Why are race conditions challenging to manage?

    <p>Programs with race conditions exhibit non-deterministic behavior</p> Signup and view all the answers

    What are Edge Computing devices like?

    <p>Devices like sensors and machines can be outfitted to work in edge computing</p> Signup and view all the answers

    What is the main purpose of recovery planning in technology infrastructure?

    <p>Preparing for recovery after natural or human-induced disasters</p> Signup and view all the answers

    What does mutual exclusion mean in the context of operating systems?

    <p>Only one process at a time can use a resource</p> Signup and view all the answers

    In the readers-writers problem, what are the specific actions allowed for readers and writers?

    Signup and view all the answers

    What happens when a thread calls notify() in Java synchronization?

    <p>An arbitrary thread T is selected from the wait set</p> Signup and view all the answers

    What is a Mutex in the context of operating systems?

    <p>Mutual exclusion lock</p> Signup and view all the answers

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