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A developer needs to implement a highly secure authentication method for an IoT web portal.

A developer needs to implement a highly secure authentication method for an IoT web portal. Which of the following authentication methods offers the highest level of identity assurance for end users?

A.

A hardware-based token generation device

B.

An X.509 certificate stored on a smart card

C.

Two-step authentication with complex passwords

D.

Multi-factor authentication with three factors

CertNexus ITS-110 Summary

  • Vendor: CertNexus
  • Product: ITS-110
  • Update on: Oct 27, 2025
  • Questions: 100
Price: $52.5  $149.99
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