Security Concepts and Principles
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Questions and Answers

What are the primary goals and objectives of a security infrastructure?

  • Authentication, encryption, and authorization
  • Integrity, authorization, and disclosure
  • Secrecy, protection, and disclosure
  • Confidentiality, integrity, and availability (correct)

    • Which principle of the CIA Triad focuses on the protection of the secrecy of data?

  • Confidentiality (correct)
  • Authorization
  • Availability
  • Integrity

    • How are security controls typically evaluated?

  • Based on how well they address the CIA Triad principles (correct)
  • Based on the number of employees in an organization
  • Based on their physical size
  • Based on their cost-effectiveness

    • What is the main goal of confidentiality protection?

    <p>Prevent unauthorized access to data</p> Signup and view all the answers

    What are some common causes of unauthorized disclosure of sensitive information?

    <p>Human error, oversight, or ineptitude</p> Signup and view all the answers

    In the CIA Triad, which principle focuses on ensuring authorized access to data?

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

    What is one of the main aspects of availability mentioned in the text?

    <p>Ensuring authorized access and acceptable performance</p> Signup and view all the answers

    Which of the following is NOT listed as a threat to availability in the text?

    <p>Sophisticated hacking attacks</p> Signup and view all the answers

    What is a crucial control measure needed to maintain availability on a system?

    <p>Ensuring redundancy for critical systems</p> Signup and view all the answers

    What type of attacks focus on violating availability, as mentioned in the text?

    <p>Denial-of-Service (DoS) attacks</p> Signup and view all the answers

    Which of the following is NOT a recommended countermeasure to ensure availability according to the text?

    <p>Disabling access controls for easier user access</p> Signup and view all the answers

    What can cause many availability breaches according to the text?

    <p>Human error, oversight, or ineptitude</p> Signup and view all the answers

    What does nonrepudiation prevent a subject from claiming?

    <p>All of the above</p> Signup and view all the answers

    Which of the following is not one of the three As in AAA services?

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

    What is a core security mechanism of all security environments?

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

    What process involves proving that you are the claimed identity?

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

    Which element of nonrepudiation is essential for holding a suspect accountable?

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

    How many elements are actually represented by the three As in AAA services?

    <p>5</p> Signup and view all the answers

    What is the most secure form of authentication?

    <p>Multifactor authentication</p> Signup and view all the answers

    Which concept involves using multiple security controls in a series?

    <p>Defense in depth</p> Signup and view all the answers

    What is the primary advantage of using defense in depth for security?

    <p>Protection against various threats</p> Signup and view all the answers

    Which mechanism involves performing security controls one after the other in a linear fashion?

    <p>Defense in depth</p> Signup and view all the answers

    What does the use of multifactor authentication aim to prevent?

    <p>Compromise of authentication process</p> Signup and view all the answers

    Which aspect ensures that a single failed control doesn't expose systems or data?

    <p>Defense in depth</p> Signup and view all the answers

    What are the key aspects of availability?

    <p>Usability, accessibility, and timeliness</p> Signup and view all the answers

    Which feature is essential for maintaining the availability of critical systems?

    <p>Fault tolerance</p> Signup and view all the answers

    What does the DAD Triad consist of?

    <p>Disclosure, alteration, and destruction</p> Signup and view all the answers

    What does the opposite of the CIA Triad represent?

    <p>DAD Triad</p> Signup and view all the answers

    Which factor is crucial in ensuring that the widest range of subjects can interact with a resource?

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

    Which concept is vital when designing a security policy alongside the CIA Triad?

    <p>DAD Triad</p> Signup and view all the answers

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