Explanation:

A: Classifiers
This categorization method is well suited to content that isn't easily identified by either the manual or automated pattern-matching methods. This method of categorization is more about using a classifier to identify an item based on what the item is, not by elements that are in the item (pattern matching). A classifier learns how to identify a type of content by looking at hundreds of examples of the content you're interested in identifying.
Where you can use classifiers
Classifiers are available to use as a condition for:
Office auto-labeling with sensitivity labels
Auto-apply retention label policy based on a condition
Communication compliance
Sensitivity labels can use classifiers as conditions, see Apply a sensitivity label to content automatically.
Data loss prevention
E: Organizations have sensitive information under their control such as financial data, proprietary data, credit card numbers, health records, or social security numbers. To help protect this sensitive data and reduce risk, they need a way to prevent their users from inappropriately sharing it with people who shouldn't have it. This practice is called data loss prevention (DLP).
Reference:
https://learn.microsoft.com/en-us/microsoft-365/compliance/classifier-learn-about
https://learn.microsoft.com/en-us/microsoft-365/compliance/dlp-learn-about-dlp

Explanation:

Box 1: Billing admin
manage service request
Purchase new services
Etc.
Assign the Billing admin role to users who make purchases, manage subscriptions and service requests, and monitor service health.
Box 2: User admin
User admin
Assign the User admin role to users who need to do the following for all users:
- Add users and groups
- Assign licenses
- Manage most users properties
- Create and manage user views
- Update password expiration policies
- Manage service requests
- Monitor service health
Reference:
https://learn.microsoft.com/en-us/microsoft-365/admin/add-users/about-admin-roles

Explanation:

Explanation:

Reference:
https://docs.microsoft.com/en-us/azure/azure-monitor/learn/quick-collect-windows-computer