Network Topology Quiz
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Questions and Answers

What is one of the roles of the operating system in maintaining security?

  • Managing user login and password services (correct)
  • Encrypting all files stored on the device
  • Monitoring internet browsing activity
  • Providing automatic updates for all software

    • Which of the following is a caution regarding firewall protection in modern operating systems?

  • Firewalls might not fully protect against all penetration attempts. (correct)
  • Firewalls are always failsafe and require no maintenance.
  • Firewalls can slow down system performance significantly.
  • Firewalls can be easily bypassed by insiders.

    • What can contribute to vulnerabilities within an operating system?

  • Strict password policies and user management
  • Poor configuration of firewalls and weak password enforcement (correct)
  • Regular software updates from developers
  • Incorporation of advanced encryption methods

    • What is a significant concern for system administrators in operating system design?

    <p>Balancing security needs with user accessibility</p> Signup and view all the answers

    Who is responsible for maintaining the security of computer systems in organizations?

    <p>The system administrator (sysadmin)</p> Signup and view all the answers

    What is a primary function of the communication services within the operating system?

    <p>To connect the computer to the network</p> Signup and view all the answers

    Which of the following is NOT mentioned as a service offered by modern systems?

    <p>Video editing</p> Signup and view all the answers

    What is the primary goal of security services in modern systems?

    <p>To prevent unauthorized access and modifications</p> Signup and view all the answers

    What is meant by the term 'sandbox' in the context of modern systems?

    <p>A restricted execution environment for processes</p> Signup and view all the answers

    Which of the following is a potential threat if security measures are inadequate?

    <p>Malicious program interference</p> Signup and view all the answers

    Which of the following services require requests from executing processes to the operating system?

    <p>File management and I/O</p> Signup and view all the answers

    What role does the I/O control system play in network communication?

    <p>It provides software drivers for network devices</p> Signup and view all the answers

    What does a Virtual Private Network (VPN) primarily provide?

    <p>Secure networking over the Internet</p> Signup and view all the answers

    What is the main advantage of virtual storage in modern computer systems?

    <p>It creates the illusion of a larger memory space than what is physically available.</p> Signup and view all the answers

    Which function is primarily concerned with determining the order in which jobs are admitted to the system?

    <p>High-level scheduling</p> Signup and view all the answers

    What does the memory management module of the operating system utilize to create an effective memory management environment?

    <p>Virtual storage capabilities and hardware support</p> Signup and view all the answers

    In terms of CPU time allocation, what is the operating system responsible for?

    <p>Fair allocation of CPU time to competing programs</p> Signup and view all the answers

    Which of the following best describes the process of dispatching in operating systems?

    <p>Selecting processes for immediate execution by the CPU</p> Signup and view all the answers

    How does the deallocation of space affect other programs in the system?

    <p>It makes space available for other programs to use.</p> Signup and view all the answers

    Which of the following statements is true regarding older systems compared to modern ones?

    <p>Modern systems provide advanced memory management with virtual storage.</p> Signup and view all the answers

    What operation do some operating systems divide into two separate tasks?

    <p>Job admission and memory assignment</p> Signup and view all the answers

    What is a process in a computer system?

    <p>An executing program treated as a standard unit of work.</p> Signup and view all the answers

    Which of the following resources can be assigned to a process?

    <p>Memory, I/O devices, and execution time</p> Signup and view all the answers

    What is one of the main functions of an operating system with respect to processes?

    <p>Scheduling and managing memory</p> Signup and view all the answers

    Why is process synchronization necessary in a computer system?

    <p>To allow processes to share critical resources without conflicts.</p> Signup and view all the answers

    What does process control management track regarding each process?

    <p>The state of each process, such as running or waiting.</p> Signup and view all the answers

    What mechanism allows processes to communicate with each other?

    <p>Interprocess messaging services</p> Signup and view all the answers

    When a program is admitted to the system, what must be assigned to it?

    <p>Resources it initially requires</p> Signup and view all the answers

    What is the primary risk of processes sharing common resources?

    <p>Data corruption or resource denial</p> Signup and view all the answers

    Which of the following tasks is a responsibility of a system administrator?

    <p>Controlling and modifying user privileges</p> Signup and view all the answers

    What does network topology refer to in a computer network?

    <p>The layout and paths between network nodes</p> Signup and view all the answers

    Which network topology allows for the failure of a node without significant disruption to the network?

    <p>Mesh topology</p> Signup and view all the answers

    What is a key benefit of monitoring system performance as part of administrative tasks?

    <p>It helps in recommending necessary upgrades</p> Signup and view all the answers

    Which of the following is NOT a fundamental task of a system administrator?

    <p>Creating marketing strategies</p> Signup and view all the answers

    How does network topology affect a computer network's performance?

    <p>It influences the network's speed and traffic congestion.</p> Signup and view all the answers

    What is a primary purpose of managing user privileges within a network?

    <p>To ensure users have the necessary permissions to perform their tasks</p> Signup and view all the answers

    Which of the following best describes the purpose of providing secure and reliable backups?

    <p>To protect against data loss</p> Signup and view all the answers

    Study Notes

    Network Topology

    • Network Topology is the configuration or layout of a network.
    • It defines the paths between any two points in a network.
    • It influences network performance, particularly availability, speed, and traffic congestion.

    Basic Topology

    • Mesh Topology
      • Provides multiple paths between end nodes.
      • Failure of an intermediate node may slow down network traffic but will not stop it as long as alternative paths exist.
      • All nodes are connected to each other.
    • Bus Topology
      • All devices are connected to a single cable called a bus.
      • Data is transmitted in both directions.
      • Relatively inexpensive to implement since fewer cables are required.
    • Star Topology
      • All devices are connected to a central device (e.g. hub or switch).
      • Data is passed through the central device.
      • Easy to add or remove devices.
    • Ring Topology
      • Devices are connected in a closed loop.
      • Data travels in one direction around the ring.
      • Offers high bandwidth and fault tolerance.

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    Related Documents

    Computer Architecture - DFC10263 PDF

    Description

    Test your understanding of different network topologies including mesh, bus, star, and ring. This quiz explores how these configurations impact network performance and reliability. Challenge yourself on the pros and cons of each type.

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