Which command should you use?

You administer Windows 8.1 client computers in your company network. The company has
an Active Directory Domain Services (AD DS) domain named contoso.com. The domain
contains a domain controller configured to lease DHCP and DHCPv6 addresses.
A client computer named Computer1 is configured to obtain IPv4 and IPv6 addresses
automatically.
A user reports that an IPv6-enabled application named Appl is not working on Computer1.
You discover that Computer1 has an IPv6 address prefix of FE80::. You are able to ping
Computer1 successfully by using IPv4, but when you use IPv6, your ping requests time out.
You need to ensure that Computer1 will support Appl.
Which command should you use?

A.
jpconfig /allcompartments /all

B.
jpconfig /renew

C.
jpconfig /renew6

D.
jpconfig /release6