Scenario : a Citrix Architect Needs to Deploy Three VPX

Scenario : A Citrix Architect needs to deploy three VPX instances on NetScaler SDX 11500 device to meet the following design requirements: Three (3) VPX instances must be provisioned on the SDX device. Instance 1 must be utilized for deploying NetScaler Gateway virtual server. Instance 2 must be utilized for deploying load balancing virtual servers for XML, Director, StoreFront, and Active Directory servers. Separate IP address must be utilized for the communication with XenApp environment and LDAP communication. Instance 3 must be used for deploying the test environment. In the test environment, NetScaler Gateway virtual server, load balancing virtual servers for XML, Director, StoreFront and Active Directory servers must be configured. How many IP addresses will be required to meet these design requirements?

A) 14
B) 20
C) 16
D) 18