Which element was added to H.225 messages to enable Fast Connect in H.323 version 2?

Which element was added to H.225 messages to enable Fast Connect in H.323 version 2?
A . fastStart
B . fastConnect
D . 245 PDU
E . User-User Information
F . Connection Information

Answer: A

Explanation:

Fast start allows for H323 media connections to be started at the beginning of a call. This is helpful for ringback scenarios, and also reduces the amount of time calls take to establish media. H245 is still negotiated later, but the actual media can be done earlier through H225 messages.