Explanation
Independent is the recommended Milestone Recurrence Type to meet the requirements, because it allows CK to create a milestone that recurs every time a customer contacts them, regardless of whether the previous milestone was completed or not. Independent recurrence type ensures that each customer contact has a 24-hour response time milestone, and that any violation of the milestone is tracked separately. Verified References: :
Milestone Recurrence Types

Scheduling service requests using Salesforce Field Service is a solution that can ensure the repairs are completed in a timely manner by technicians with the appropriate skill set. Salesforce Field Service is a feature that allows administrators to manage the entire service lifecycle, from scheduling and dispatching to tracking and reporting. Salesforce Field Service can help assign service requests to the best available technicians based on their skills, location, availability, and priority, as well as optimize the routes and travel time for technicians. Verified References: : https://help.salesforce.com/s/articleView?id=sf.
field_service_overview.htm&type=5 : https://help.salesforce.com/s/articleView?id=sf.
field_service_scheduling_overview.htm&type=5

Granting authors access to the FAQ record type is the recommended solution to correct the problem of authors being unable to create FAQ article types after migration from Knowledge to Lightning Knowledge. A record type is a way of defining different business processes, page layouts, and picklist values for different types of records within an object. A record type can be used to control which users can create, view, edit, or delete records of that type. When migrating from Knowledge to Lightning Knowledge, each Classic article type becomes a Lightning record type. Therefore, granting authors access to the FAQ record type can enable them to create FAQ articles in Lightning Knowledge. Verified References: [Service Cloud Consultant Certification Guide & Tips], Record Types Overview