中等ICT-NETW-002
The job of a switch in a school LAN is to:
A. Connect devices and forward data to the device that needs it.✓ 答案
B. Translate domain names into IP addresses.
C. Encrypt every file stored on a hard disk.
D. Act as an input sensor.
解說
A switch works inside the LAN and forwards traffic to the intended device. DNS translates names, and encryption is a different control.