Answer:
Option A i.e., Implement single sign-on.
Explanation:
Many corporate users often forget credentials for various mobile phones and apps. Then, Implementing single sign-on is the sys admin which reduces the amount of ticket requested to that of the helpdesk.
SSO is perhaps a method of authorization which enables the user to control various software using single collection of login information. This is a simple procedure in companies, in which a company locates different resources for connected to a network of local region.