kindly solve it as soon as possible thanks telecom question

Q#2 As students of Telecommunications you know that signaling is very important for communication although it does not contain any user data. There are two types of signaling mechanisms used. In the first method signaling is integrated within the Bandwidth designated for user traffic. In the second method separate bandwidth is utilized for signaling. With proper arguments give your opinion on which one of these gives us the best results according to capacity and data rate