Q: Which one of the following layers in the OSI reference model is concerned with transmission of unstructured bit stream over physical medium; deals with the mechanical, electrical, functional, and procedural characteristics to access the physical medium?
(a)Transport layer
(b)Network layer
(c)Data link layer
(d)Physical layer
Correct Answer: (d)
The correct answer is (a) 'Transport layer'. This question from the Geography domain tests knowledge of Transport & Infrastructure Geography.