What is required for optimization to occur when deploying SteelHeads on an 802.1Q trunk?

What is required for optimization to occur when deploying SteelHeads on an 802.1Q trunk?
A . A single IP address routable to the in-path interface of the remote SteelHead
B . An IP address configured on all VLANs where optimization is required
C . A single IP on a VLAN and all traffic set as Correct Addressing
D . A single IP address on the default VLAN and Simplified Routing set to none
E . Full Transparency as a catch-all in-path rule and Simplified Routing set to Destination Only

Answer: A

Explanation:

Reference: https://support.riverbed.com/bin/support/static/fbunsuuo632vi3jrspe0evbko9/html/u2pi6l52l4drmhq3uhck9tu7hm/sh_9.2_dg_html/index.html#page/sh_9.2_dg/phys_inpath_designs.html