Question

Reordering of data and segmentation is performed at what layer in the OSI model?

o

a.

Layer 7

o

b.

Layer 6

o

c.

Layer 5

o

d.

Layer 4

o

e.

Layer 3

o

f.

Layer 2

o

g.

Layer 1

The correct answer is d. The main function of layer 4, the Transport layer, is to ensure that packets are assembled in the correct order. Without this layer, segments might arrive out of order, and data could get assembled incorrectly. Answers a, b, c, e, f, and g are incorrect, because they represent the incorrect OSI model layers for the desired task.

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