Your company has a Microsoft Hyper-V Server 2008 R2 environment. You manage the environment by using Microsoft System Center Virtual Machine Manager (VMM) 2008 R2. You attempt to migrate child partitions through a firewall by using network migration. The migration fails. You need to ensure that you can successfully complete the migration.
Which firewall port should you open?()
A.80
B.135
C.445
D.8554