問題文
The restrictions list for this feature states two assumptions about the markings on voice packets. What are they, and what follows for a deployment where the phones do not mark their own media?
選択肢
- It assumes the marking is the same inbound and outbound, and that the marking is put on by the engine, so a deployment whose phones do not mark their own media is covered without any extra work.
- It assumes the marking differs inbound and outbound, and that the marking was put on at the source, so a deployment whose phones do not mark their own media has to have two separate policies written for the two directions.
- It assumes the marking is the same inbound and outbound, and that the marking was put on at the source, so a deployment whose phones do not mark their own media has to have that marking put on before the packets reach this queueing at all.
- It assumes the marking differs inbound and outbound, and that the marking is put on by the engine itself, so a deployment whose phones do not mark their own media needs no extra work.