Evolution of Information Systems in Organizations Quiz
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Questions and Answers

What is the main purpose of a firewall in a network?

  • To establish wide area networks
  • To monitor local network assets
  • To enable individual users to access the Internet
  • To protect the local system from network-based security threats (correct)

    • Why is Internet connectivity no longer optional for organizations?

  • To provide information and services essential to the organization (correct)
  • To interact with local network assets
  • To establish strong security features
  • To enable access to wide area networks

    • What is the drawback of equipping each workstation and server with strong security features?

  • Creates a controlled link between local network and the Internet
  • Forms a single choke point for security and audit
  • Affords access to the outside world via wide area networks
  • Not a practical approach in general (correct)

    • Why is a wider security strategy including host security necessary for firewalls?

    <p>To erect an outer security wall or perimeter</p> Signup and view all the answers

    What does a firewall allow while protecting a local system or network from security threats?

    <p>Access to wide area networks</p> Signup and view all the answers

    What is a primary function of a firewall?

    <p>Prohibiting potentially vulnerable services from entering or leaving the network</p> Signup and view all the answers

    What is a limitation of firewalls mentioned in the text?

    <p>Inability to protect against attacks that bypass the firewall</p> Signup and view all the answers

    Which type of firewall applies a set of rules to each incoming and outgoing IP packet to forward or discard the packet?

    <p>Packet-filtering router</p> Signup and view all the answers

    What role does a packet filter firewall play in the network security perimeter?

    <p>Utilizing information from transport, network &amp; data link layers to make decisions on allowable traffic flows</p> Signup and view all the answers

    What is the primary purpose of an internal firewall within an enterprise network?

    <p>Separating portions of an enterprise network</p> Signup and view all the answers

    What is the purpose of a firewall in a network?

    <p>To protect a local system or network from network-based security threats while allowing access to the outside world.</p> Signup and view all the answers

    Why is equipping each workstation and server with strong security features not a practical approach?

    <p>It is not practical because it creates a significant management burden.</p> Signup and view all the answers

    What is the role of firewalls in establishing network security?

    <p>To create a controlled link and erect an outer security wall or perimeter, forming a single choke point where security and audit can be imposed.</p> Signup and view all the answers

    Why is Internet connectivity no longer optional for organizations?

    <p>Information and services are essential to the organization, and individual users want and need Internet access.</p> Signup and view all the answers

    Why is a wider security strategy including host security necessary for firewalls?

    <p>It is necessary to provide a comprehensive security approach that includes securing individual workstations and servers.</p> Signup and view all the answers

    What are the three common types of firewalls mentioned in the text?

    <p>Packet filters, application-level gateways, &amp; circuit-level gateways</p> Signup and view all the answers

    What is the main purpose of a firewall in a network?

    <p>To keep unauthorized users out of the protected network, prohibit vulnerable services, protect from IP spoofing and routing attacks, and serve as a monitoring platform for security-related events.</p> Signup and view all the answers

    What is a limitation of firewalls mentioned in the text?

    <p>They cannot protect against attacks that bypass the firewall, do not protect against internal threats, and may not guard against wireless communications between local systems on different sides of the internal firewall.</p> Signup and view all the answers

    What is the primary purpose of an internal firewall within an enterprise network?

    <p>To guard against wireless communications between local systems on different sides of the internal firewall.</p> Signup and view all the answers

    What type of firewall applies a set of rules to each incoming and outgoing IP packet to forward or discard the packet?

    <p>Packet-filtering router</p> Signup and view all the answers

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