Computer Science for IGCSE & O level - Data Transmission (Section 4 - No. 36)
What does a 'tag number' (hop number) do to the header of a packet?
It reduces it by one
It adds one
It adds the sequence number
It deletes it
Vysvětlení
The 'tag number' is reduced by 1 every time the packet jumps from one node to the other.