50. In the OSI model, as a data packet moves from the lower to the upper layers, headers are _

a) Added
b) Removed
c) Rearranged
d) Randomized

Answer: b
Explanation: In OSI reference model, when data packet moves from lower layers to higher layer, headers get removed. Whereas when the data packet moves from higher layer to lower layers, headers are added. These headers contain the essential control information for the protocols used on the specific layer.

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