Which feature in Salesforce controls access for specific login hours?

Universal Containers provides 24×7 support for its customers worldwide using call centers in three different countries with each one covering an 8-hour shift in different time zones. Service reps in a call center have access to the same information but only during their local working hours.

Which feature in Salesforce controls access for specific login hours?
A . Set the login hours on user records
B. Permission sets
C. Custom permissions
D. Profiles

Answer: D

Explanation:

https://success.salesforce.com/ideaView?id=0873A000000E85KQAS