220-1102 Question #372: Real Exam Question with Answer & Explanation

The correct answer is B: Soft token. For implementing multifactor authentication (MFA) at a minimal cost, soft tokens are the most suitable option as they leverage existing employee devices like smartphones. These tokens generate time-based one-time passwords (TOTP) without requiring dedicated hardware.

Security

Question

A company would like to implement multifactor authentication for all employees at a minimal cost. Which of the following best meets the company's requirements?

Options

ABiometrics
BSoft token
CAccess control lists
DSmart card

Explanation

For implementing multifactor authentication (MFA) at a minimal cost, soft tokens are the most suitable option as they leverage existing employee devices like smartphones. These tokens generate time-based one-time passwords (TOTP) without requiring dedicated hardware.

Common mistakes.

A. Biometrics, such as fingerprint or facial recognition, often require specialized hardware (scanners, advanced cameras) for reliable implementation across an organization, incurring significant costs.
C. Access control lists (ACLs) define permissions for resources and are a method of authorization, not a form of multifactor authentication.
D. Smart cards are physical tokens that require specialized readers and issuance/management processes, which involve higher upfront and ongoing costs compared to soft tokens.

Concept tested. Cost-effective multifactor authentication methods

Reference. https://learn.microsoft.com/en-us/entra/identity/authentication/concept-mfa-howitworks

Topics

#Multifactor Authentication (MFA)#Soft token#Cost-effective security#Authentication methods

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