A ProxySG is designed to do which of the following? (Choose all that apply)
(a) Enhance security through authentication, virus scanning, and logging.
(b) Increase performance through TCP optimization, HTTP caching and pipelining.
(c) Control content with URL filtering, content stripping, and HTTP header analysis.

A.
a & b only

B.
b & c only

C.
a & c only

D.
All of the above

Explanation:
http://www.bluecoat.com/sites/default/files/product_tech_primers/Protocol_Optimization
.0.pdf(first page entirely.)