Your network contains an Active Directory domain named contoso.com. All domain
controllers run Windows Server 2012 R2.
You need to ensure that the local administrator account on all computers is renamed to
L.Admin.
Which Group Policy settings should you modify?

A.
Restricted Groups

B.
Security Options

C.
User Rights Assignment

D.
Preferences

Explanation:

In Group Policy Object Editor, click Computer Configuration, click Windows Settings, click
Security Settings, click Local Policies, and then click Security Options.
In the details pane, double-click Accounts: Rename administrator account.
The Security Options node includes security settings regarding interactive logon, digital
signing of data, restrictions of access to floppy and CD-ROM drives, unsigned driver
installations as well as logon dialog box behavior. This category also includes options to
configure authentication and communication security within Active Directory.