Answer:
The header file
Explanation:
The 'header' of a packet contains two important information about the data being sent over a network, number indicating the ordering of all the packets (This ensures that the packets are re-ordered corrected upon arrival at the destination). and information about the total number of packets that the data has been split into, this helps at the destination to know if all packets has arrived, or delayed or lost
I would say A because the SETI Institute said, "Philip Morrison and Guiseppe Cocconi analyzed how two civilizations separated by many light years of space might use electromagnetic radiation to communicate.
Electromagnetic radiation is the general term for the more familiar light and radio waves."
So there you go!
Answer:
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