问题：

[单选]

You work as an administrator at ABC.com. The ABC.com network consists of a single domain named ABC.com.All servers on the ABC.com network have Windows Server 2012 R2 installed. ABC.com has a server， named ABC-SR07， which has the AD DS， DHCP， and DNS server roles installed.ABC.com also has a server， named ABC-SR08， which has the DHCP， and Remote Access server roles installed.You have configured a server， which has the File and Storage Services server role installed， to automatically acquire an IP address. The server is named ABCSR09. You then create a filter on ABC-SR07. 
Which of the following is a reason for this configuration？（）

A . To make sure that ABC-SR07 issues ABC-SR09 an IP address.
B . To make sure that ABC-SR07 does not issue ABC-SR09 an IP address.
C . To make sure that ABC-SR09 acquires a constant IP address from ABC-SR08 only.
D . To make sure that ABC-SR09 is configured with a static IP address.