Methods of Defense in Computer Security
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Questions and Answers

What does encryption do to data?

  • Make it unintelligible to the outside observer (correct)
  • Increase its availability
  • Enhance its dependability
  • Speed up data transmission

    • Which of the following is NOT a program control measure mentioned in the text?

  • Development controls
  • Internal program controls
  • Hardware controls (correct)
  • OS Controls

    • What is the purpose of software controls in computer security?

  • To enhance data transmission speed
  • To decrypt data for easy access
  • To increase vulnerability to attacks
  • To exclude outside attacks and ensure program dependability (correct)

    • What type of controls enforce security restrictions like access limitations in a database management system?

    <p>Internal program controls</p> Signup and view all the answers

    Which of these is NOT a hardware control measure mentioned in the text?

    <p>Increasing data integrity</p> Signup and view all the answers

    What aspect of computer security does encryption primarily address?

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

    What does computer security aim to protect?

    <p>The confidentiality, integrity, and availability of information system resources</p> Signup and view all the answers

    Which of the following is NOT one of the basic security goals?

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

    What is the main purpose of confidentiality in computer security?

    <p>To keep information secret and concealed</p> Signup and view all the answers

    Which of the following is NOT an example of sensitive information that requires confidentiality?

    <p>Publicly available information</p> Signup and view all the answers

    What does integrity refer to in computer security?

    <p>The trustworthiness of data or resources</p> Signup and view all the answers

    Which aspect of computer security ensures the ability to use the information or resource?

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

    What is the main purpose of cryptography in computer networks?

    <p>Making data unreadable to attackers</p> Signup and view all the answers

    Which hardware control is used to protect the system as a whole?

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

    What type of control enforces quality measures on the original source code?

    <p>Development controls</p> Signup and view all the answers

    Which control is responsible for authenticating users with digital signatures?

    <p>Fingerprint readers</p> Signup and view all the answers

    What is the purpose of personal firewalls that run on your desktop?

    <p>Protecting against unauthorized network access</p> Signup and view all the answers

    Which physical control is used to protect hardware itself and physical access to devices?

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

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