System Platform Components in Mist UI:
Different components provide various insights and information about the network.
Component Descriptions:
Switch Insights: Provides detailed information about switch performance and status.
Events: Logs and displays events occurring in the network but does not specifically highlight missing VLANs.
Marvis Actions: AI-driven insights and recommendations that include identifying and suggesting actions for missing VLANs.
Service-Level Exceptions (SLEs): Monitor and report on performance metrics, not specifically focused on VLAN issues.
Conclusion:
The correct answer is C (Marvis Actions).
Reference:
Mist Documentation on System Platform Components: Mist Documentation

Reference: https://www.juniper.net/documentation/us/en/software/nce/nce-214-midsize-branch- mist-pwp/topics/topic-map/nce-214-midsize-branch-mist-example_part2.html

Installer: The installer role is designed for users who need access to configure and deploy Mist devices. This role typically has the necessary permissions to set up and manage devices but with limited access to other administrative functions (CertsHero).
Network Admin: The network admin role provides comprehensive access to manage network settings, monitor performance, and configure policies. This role is essential for users responsible for the overall network administration and maintenance (CertsHero).
Reference:
Juniper Networks Documentation