Answer:
D. Supply chains take advantage of the trusted "chain of trust" concept.
Explanation:
ping, tracert or nslookup can all be used.
The IP connection-less protocol relies on TCP to guarantee delivery of data.
TCP- is transmission control protocal.TCP/IP allows one computer to talk to another via via the internet through compiling packets of data and sending them to right location.
The answer is Twitter! :)
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