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Question :-

Ajax has nine departments plus Coiporate personnel with a total of 822 phones. Each department has a separate MoH message. All the departments would like to play their messages when they place a caller on hold. A standard corporate message is played when people outside of these nine departments place a user on hold. The IT department wants to minimize the amount of bandwidth consumed by MoH streams. What type of MoH transport mechanism can satisfy these requirements?
unicast
anycast
multicast
broadcast

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