All client computers on your company network run Windows 7 and are members of an Active
Directory Domain Services (AD DS) domain. A network administrator changes the IP address of a file
server. Employees are unable to connect to the file server. You need to ensure that the employees
are able to connect to the file server immediately. Which command should you instruct the
employees to run?

A.
ipconfig /showdns

B.
ipconfig /registerdns

C.
ipconfig /flushdns

D.
Ipconfig /renew