Section: Volume B
Explanation/Reference:
Explanation:
A. To configure the Replica server [on a server that is not part of a cluster which in this case is Server3]
1. In Hyper-V Manager, click Hyper-V Settings in the Actions pane.

2. In the Hyper-V Settings dialog, click Replication Configuration.

3. In the Details pane, select Enable this computer as a Replica server.

Etc.
D. To configure a Replica server that is part of a failover cluster.
1. In Server Manager, open Failover Cluster Manager.
2. In the left pane, connect to the cluster, and while the cluster name is highlighted, click Roles in the Navigate category of the Details pane.
3. Right-click the role and choose Replication Settings.
4. In the Details pane, select Enable this cluster as a Replica server.
Reference: Deploy Hyper-V Replica , Step 2: Enable Replication
http://technet.microsoft.com/en-us/library/jj134240.aspx