_______ is the most prevalent protocol used in identity federation.

The correct answer is B. SAML. SAML (Security Assertion Markup Language) is the most widely adopted XML-based standard for exchanging authentication and authorization data between security domains, making it prevalent in identity federation.

Submitted by klara.se· Apr 18, 2026Cloud Concepts, Architecture and Design

Question

Options

AHTTP
BSAML
CFTP
DWS-Federation

How the community answered

(38 responses)

A
5% (2)
B
92% (35)
C
3% (1)

Why each option

SAML (Security Assertion Markup Language) is the most widely adopted XML-based standard for exchanging authentication and authorization data between security domains, making it prevalent in identity federation.

AHTTP

HTTP is a foundational protocol for communication over the internet, not specifically for identity federation.

BSAMLCorrect

SAML (Security Assertion Markup Language) is an XML-based standard for exchanging authentication and authorization data between an identity provider and a service provider, making it widely used for identity federation.

CFTP

FTP (File Transfer Protocol) is used for transferring files between computers, not for identity federation.

DWS-Federation

While WS-Federation is also used for identity federation, especially within Microsoft environments, SAML has a broader and more prevalent adoption across various platforms and providers.

Concept tested: Identity federation protocols (SAML, WS-Federation)

Source: https://learn.microsoft.com/en-us/azure/active-directory/hybrid/concept-sso-saml

Topics

#Identity Federation#SAML#Cloud Identity Management#Authentication Protocols

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