Giga usually means 10^9
We're trying to work giba, which is 2^30 into the vocabulary to differentiate them because of the confusion and difference that they create.
The correct answer to your question is:
b.virus
Answer:
Physical layer never need the header/footer.
Explanation:
The physical layer performs the data transfer in bits through the cables. Various Interface cards like Bluetooth, RS-485, GSM, wireless options, etc., are part of the Physical layer. And in other words, the Physical layer ensures the mechanical or electrical interface between the two devices concerned. The data is being transferred in the form of electrical signals, and this implies that the Physical layer never requires a header or footer for its processing. Though, the application, internet, and transport layer all need headers/footers, as they carry important information required by them for the processing at their level.
In my opinion i think it is A
Answer:
hey! that happens to me too!
Explanation:
tbh i just think its whenever you comment on something and someone answers, that appears... but i could be wrong.
lol :)