Functions of Segmentation & Reassembly (SAR) sublayer in an ATM adaptation layer

Q.  What is/are the functions of Segmentation and Reassembly (SAR) sublayer in an ATM adaptation layer?

a. Provision of an interface to the application
b. Addition of headers and trailers to data units for cell payload formation
c. Smoothening of an incoming traffic
d. Detection of lost and misinserted cells
- Published on 30 Oct 15

a. A, B & C
b. B, C & D
c. Only B
d. Only C

ANSWER: Only B

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