When undertaking a cloud migration of multiple SaaS applications, an organization’s systems administrators struggled with...

Zero Trust Network Access (ZTNA)simplifies secure remote access to cloud and SaaS applications byenforcing identity-based, least-privilege access policies. It eliminates the need to extend traditional network-based access models to the cloud. ZTNA ensures thateach user is verified continuouslyregardless of their network location, aligning perfectly with complex multi-cloud or SaaS environments.

RADIUS (A)is an older authentication protocol, not ideal for SaaS cloud scale.

SDN (B)controls network flow, not identity management.

SWG (D)is a secure web proxy, not for access control and IAM extension.

????Reference:

CS0-003 Exam Objectives 1.1 – Identity and Access Management

Sybex Study Guide – Chapple & Seidl, Chapter 2: Zero Trust & Cloud IAM