Computer Networking Basics
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Questions and Answers

What is the primary function of a router?

  • Disable file and printer sharing
  • Connect application systems
  • Handle speed processors and process the concept of IP (correct)
  • Protect a network's resources from intrusion

    • Which measure is NOT listed as a way to prevent unauthorized access?

  • Botnet (correct)
  • Firewalls
  • Intrusion detection software
  • Acceptable use policy

    • What is spoofing?

  • Disrupting computer access to internet services
  • Protecting a network's resources from intrusion
  • A technique to bypass security controls
  • A technique intruders use to make their network or internet transmission appear legitimate (correct)

    • What is a set of instructions that allow users to bypass security controls called?

    <p>Back door</p> Signup and view all the answers

    What defines who can access a computer and what actions they can take?

    <p>Access control</p> Signup and view all the answers

    Which device processes and transfers data based on the concept of a destination IP address?

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

    What is a back door in computer security?

    <p>A set of instructions that allow users to bypass security controls</p> Signup and view all the answers

    What is a botnet?

    <p>A group of computers connected to a network</p> Signup and view all the answers

    What type of device is simply a group of computers connected to a network?

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

    What is the primary effect of a Denial of Service attack?

    <p>Disrupts computer access to internet services</p> Signup and view all the answers

    What is the primary function of a router?

    <p>Processes and forwards data packets based on IP addresses</p> Signup and view all the answers

    Which device connects all devices within a network?

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

    What is the purpose of a firewall?

    <p>To protect a network's resources from intrusion</p> Signup and view all the answers

    Which security measure is used to monitor and identify unauthorized access?

    <p>Intrusion detection software</p> Signup and view all the answers

    What is spoofing?

    <p>A technique to make network or internet transmission appear legitimate</p> Signup and view all the answers

    Study Notes

    Network Devices

    • A Router processes and forwards data packets based on the concept of a destination IP address.
    • A Switch connects multiple devices to a network, increasing the speed of data transmission.
    • A Hub connects all devices to a network, but is considered a compromised computer.

    Security Threats

    • A Denial of Service (DoS) Attack disrupts computer access to internet services.
    • A Back Door is a set of instructions that allow users to bypass security controls.
    • Spoofing is a technique intruders use to make their network or internet transmission appear legitimate.
    • A Botnet is a group of compromised computers connected to a network.

    Security Measures

    • Firewall is a hardware or software that protects a network's resources from intrusion.
    • Measures to prevent unauthorized access include:
      • Acceptable use policy
      • Disabling file and printer sharing
      • Firewalls
      • Intrusion detection software

    Access Control

    • Access Control defines who can access a computer and what actions they can take.

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    Description

    Learn about the basics of computer networking, including the differences between routers, switches, and hubs, and common security threats.

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