高階ICT-INET-016
Why is a large download described as travelling in packets?
A. The whole file must occupy one unbroken cable across the Internet until the download ends.
B. The data is split into packets that can be routed across the network and reassembled at the destination.✓ 答案
C. Packets are used only when a page is printed.
D. A packet is a primary key in a database.
解說
Packet switching lets pieces of one transfer share the network with other traffic. The receiving computer puts the pieces back in order.