Hello!
My best guess is you would have to use mediocre satellites that float over for internet connection.
Answer: "hierarchy" .
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Answer:
ICMP.
Explanation:
Hackers might use ICMP for gain knowledge about current system addresses and specific procedures as part of a reconnaissance process.
ICMP is a failure informing system used by network protocols such as routers to produce warning to that of the source Address while network issues interrupt IP packet transmission.
Explanation:
the right answer may be A.