中等ICT-NETW-012
Wi-Fi in this course means:
A. A fibre-optic cable inside a wall.
B. A database relationship.
C. A wireless way for devices to join a LAN.✓ 答案
D. A lossless image format.
解說
Wi-Fi is wireless networking. It still needs security, such as a password, because the signal is not confined to a cable.