When we say that "IP" is and unreliable connectionless packet delivery service.... what do we mean by "unreliable"?

Question

Accepted Answer

IP does not notify the sender and receiver if a packet does not reach its destination

Accepted Answer

packets may not be received in the same order as they were sent

Accepted Answer

Something sent on the network might reach its destination but it is not guaranteed

Answer

packets are received in the same order as they were sent

Answer

Something sent on the network will always reach its destination

Answer

IP notifies the sender and receiver if a packet does not reach its destination

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