Computer Science for IGCSE & O level - Data Transmission (Section 7 - No. 39)
What is the role of the 'header' in a data packet?
To contain the data being sent.
To provide information about the packet, such as source and destination addresses.
To detect errors during transmission.
To indicate the packet's size.
Wyjaśnienie
The header includes the necessary information to route the packet to its destination.