Question

In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are ___________

a) added

b) removed

c) rearranged

d) modified

Answer 1

Solution:

The answer will be an option,

(a) added

Explanation:

=>Option (a) is correct because while moving data packet application layer to physical layer(upper to lower layers) headers are added to the data part.

=>Option (b) is wrong because headers are removed when data packet move from lower layers to upper layers.

=>Option (c) is wrong because rearrangement of headers are not done while moving from upper to lower or lower to upper layers.

=>Option (d) is wrong because modification of headers re not done while moving from upper to lower or lower to upper layers.

I have explained each and every part with the help of statements attached to the answer above.