Which of the following statements are true about ProxySG Protocol Detection feature? (Choose all that apply) (a) Protoco

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Which of the following statements are true about ProxySG Protocol Detection feature?
(Choose all that apply)
(a) Protocol detection is performed on the server's response.
(b) Protocol detection is performed on the client's request.
(c) Enabling Detect Protocol option will automatically enable early intercept attribute in proxy services.
(d) Protocol detection is performed by looking at the TCP port number.

A. a & b only
B. b & c only
C. c & d only
D. All of the above