Which of the following is considered a network technology ba

Which of the following is considered a network technology based on transferring data in cells or packets of a fixed size?

A. ATM

B. ISDN

C. SMDS

D. Frame Relay

Solution

A. ATM creates a fixed channel, or route, between two points whenever data transfer begins, and packages the data into 53-byte fixed-length cells. ATM can be used in LANs, WANs, and MANs. It supports high-bandwidth data needs. Answer B is incorrect because ISDN provides a completely end-to-end digital connection. Answer C is incorrect because Switched Multimegabit Data Service (SMDS) is a low-market-share service used to interconnect LANs. Answer D is incorrect because Frame Relay does not package data into 53-byte fixed-length cells.