You are preparing computers for a new ClusterXL deployment. For your cluster, you plan to use four machines with the fol

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You are preparing computers for a new ClusterXL deployment. For your cluster, you plan to use four machines with the following configurations:
Cluster Member 1: OS - GAiA; NICs - QuadCard; Memory - 1 GB; Security Gateway only, version: R77
Cluster Member 2: OS - GAiA; NICs - 4 Intel 3Com; Memory - 1 GB; Security Gateway only, version: R77
Cluster Member 3: OS - GAiA; NICs - 4 other manufacturers; Memory: 512 MB; Security Gateway only, version: R77
Security Management Server: MS Windows 2008; NIC - Intel NIC (1); Security Gateway and primary Security Management Server installed, version: R77
Are these machines correctly configured for a ClusterXL deployment?

A. No, Cluster Member 3 does not have the required memory.
B. No, the Security Gateway cannot be installed on the Security Management Pro Server.
C. No, the Security Management Server is not running the same operating system as the cluster members.
D. Yes, these machines are configured correctly for a ClusterXL deployment.