Principles and Types of Security
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Questions and Answers

What are the three principles of security mentioned in the text?

  • Integrity, Authorization, Availability
  • Authentication, Authorization, Availability
  • Confidentiality, Authentication, Authorization
  • Confidentiality, Integrity, Availability (correct)

    • Which type of security involves prevention of access to physical facilities like computer systems?

  • Physical security (correct)
  • Authorization security
  • Information System Security
  • Deterrence security

    • What is the mechanism that tries to stop intruders from gaining access to a system?

  • Detection
  • Response
  • Deterrence
  • Prevention (correct)

    • Which principle of security aims to prevent unauthorized access of information to third parties?

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

    What mechanism assumes that the intruder has succeeded or is in the process of gaining access to the system?

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

    What is the aftereffect mechanism that tries to respond to the failure of other security mechanisms?

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

    What is a firewall?

    <p>Hardware or software used to isolate the sensitive portions of an information system facility from the outside world</p> Signup and view all the answers

    What is the purpose of physical security barriers?

    <p>To hinder access to a protected resource</p> Signup and view all the answers

    What is the function of packet filters in firewalls?

    <p>Allowing packets to pass through based on preset conditions</p> Signup and view all the answers

    What does cryptography primarily aim to protect?

    <p>The integrity, confidentiality, and availability of information in servers and during transmission</p> Signup and view all the answers

    What is the purpose of symmetric encryption in cryptography?

    <p>To encrypt and decrypt data using a single shared key</p> Signup and view all the answers

    What are sniffers?

    <p>Programs installed on communication channels to eavesdrop on network traffic</p> Signup and view all the answers

    What defines stateful inspection firewalls?

    <p>They compare packet data with archived friendly packets</p> Signup and view all the answers

    3

    <p>Information security controls include the integrity, confidentiality, and availability of information at servers.</p> Signup and view all the answers

    What is a password in the context of access controls?

    <p>A string of characters used to verify a user to an information system facility.</p> Signup and view all the answers

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