Delay of the resource allocated during setup phase during data

Delay of the resource allocated during setup phase during data transfer is ________

A. constant

B. increases for each packet

C. same for each packet

D. different for each packet

This question was addressed to me by my school teacher while I was bunking the class.

My question is from Virtual Circuit in section Frame Relay of Computer Network

The correct choice is C. same for each packet

For explanation I would say: If a resource is allocated during setup phase, delay is same for each packet as there is only one-time delay during the setup phase and no delay during the data transfer phase.