What is the responsibility of the ISE subsystem within the Cisco SD-Access Architecture controller layer?

What is the responsibility of the ISE subsystem within the Cisco SD-Access Architecture controller layer?

• It provides all the underlay and fabric automation and orchestration services for the physical and network layers.
• It provides all the identity and policy services for the physical layer and network layer.
• It analyzes and correlates network events and identifies historical trends.
• It provides network operational status and other information to the management layer.

Explanation: There are three control layer subsystems in the Cisco SD-Access Architecture.
Cisco Network Control Platform (NCP) - provides underlay and fabric automation and orchestration
Cisco Network Data Platform (NDP) - analyzes and correlates network events
Cisco Identity Services Engine (ISE) - provides identity and policy services

Exam with this question: CCNPv8 ENCOR (Version 8.0) – Network Design and Monitoring Exam