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Free CompTIA Security+ SY0-601 Practice Question

An organization is employing multi-factor authentication (MFA) for accessing its secure database. Among several authentication methods, a voice call is received by the employees to provide an additional layer of security after inputting their passwords. This phone call delivers a one-time code which the employee must then enter to gain access. Which of the following is an accurate rationale for using phone call-based verification in this scenario?

  • It qualifies as 'something you have' because it utilizes the physical possession of a phone to provide a layer of security separate from knowledge of the password.

  • This method is classified as 'somewhere you are' since receiving a call can indicate the user's geographic location.

  • It is categorized as 'something you know' because it involves remembering the code delivered through the call.

  • It serves as 'something you are' because it uses the employee's voice recognition to validate access.

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Architecture and Design
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CompTIA Security+ SY0-601
  • Attacks, Threats, and Vulnerabilities
  • Architecture and Design
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  • Implementation
  • Operations and Incident Response
  • Governance, Risk, and Compliance