Question

the topmost layer in the ATM​

Answer 1

Explanation:

the topmost layer in the ATM is

Answer 2

Answer:

ATM Layer −This layer is comparable to data link layer of OSI model. It accepts the 48 byte segments from the upper layer, adds a 5 byte header to each segment and converts into 53 byte cells. This layer is responsible for routing of each cell, traffic management, multiplexing and switching