Which action should be taken to ensure records are automatically scavenged?

You are hired by ABC.com to administrate a Microsoft Windows Server 2012 domain named
ABC.com. ABC.com utilizes a computer named ABC-DC01 configured as a Dynamic Host
Configuration Protocol (DHCP) and Domain Name System (DNS) server.
During the previous month a junior administrator removed a computer named ABC-SR01 from the
domain but records for the computer still exists. ABC.com wants you to have all static resource
information about ABC-SR01 to be removed.
Which action should be taken to ensure records are automatically scavenged?

A.
You should consider modifying the Record time stamp value of the static resource record
information.

B.
You should consider modifying Time �To-Live (TTL) and Security settings of the static resource
record information.

C.
You should consider modifying Record Time stamp value and Expires after value of the static
resource record information.

D.
You should consider modifying Security Settings and Record Time stamp values of static
resource record information.