Computer Science for IGCSE & O level - Data Transmission (Section 9 - No. 24)
In the context of packet switching, what is the purpose of the 'sequence number'?
To encrypt the data within the packet.
To help reassemble packets in the correct order.
To determine the fastest route for the packet.
To identify the packet's destination.
解释
The sequence number helps in reassembling the packets at the receiver.