Ethernet specs also include the physical layer so, no, it’s not even technically correct. X.25 even covered everything from physical to network. TCP covers both layer 5 and 6 (transport and session), it’s not terribly uncommon to cover more than one layer. OSI layers are more of a guideline, not rules.
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You are technically correct (the best kind of correct), but we all know that he meant UTP cable such as cat6 with 8p8c connectors.
Ethernet specs also include the physical layer so, no, it’s not even technically correct. X.25 even covered everything from physical to network. TCP covers both layer 5 and 6 (transport and session), it’s not terribly uncommon to cover more than one layer. OSI layers are more of a guideline, not rules.