In a deployment where back-end servers must only reach the client through the Citrix ADC, which deployment mode should be used to ensure the ADC is transparent to the clients and servers?

• A. Inline
• B. Hybrid
• C. Transparent
• D. Proxy

Answer: (C)

In this situation you want the ADC to be an unseen intermediary in the traffic path. Deploying in transparent mode places the Citrix ADC directly in the network path between clients and back-end servers, but it does not present itself as a gateway or require the endpoints to change how they reach each other. The endpoints keep their IP addressing and routing unchanged, yet all communication between the client and the server passes through the ADC. This lets the ADC apply policies, load balance, and secure traffic without the clients or servers needing to know it’s there.

Other modes place the ADC in the path more visibly or change how endpoints address or reach the service, which is not what’s desired when you need complete transparency.