300-415 Question #15: Real Exam Question with Answer & Explanation

The correct answer is C: SUDI. On Cisco ISR platforms, the SUDI (Secure Unique Device Identifier) is the hardware component that provides the cryptographic identity used in the SD-WAN authentication process.

Security and Quality of Service

Question

Which hardware component is involved in the Cisco SD-WAN authentication process for ISR platforms?

Options

AZTP
BOTPC
CSUDI
DTPMD

Explanation

On Cisco ISR platforms, the SUDI (Secure Unique Device Identifier) is the hardware component that provides the cryptographic identity used in the SD-WAN authentication process.

Common mistakes.

A. ZTP (Zero Touch Provisioning) is a software-driven onboarding process, not a hardware component involved in authentication.
B. OTPC is not a recognized hardware component in the Cisco ISR SD-WAN authentication architecture.
D. TPMD (Trusted Platform Module Daemon) is a software process that may interact with a TPM chip, but is not the specific hardware component used for SD-WAN authentication on ISR platforms.

Concept tested. Cisco ISR SUDI hardware-based SD-WAN authentication

Reference. https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/security/ios-xe-17/security-book-xe/security-overview.html

Topics

#Cisco SD-WAN#Authentication#ISR Platforms#SUDI#Hardware security

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