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.