中等ICT-NETW-005
In a star LAN, the central switch fails. What happens?
A. Devices that depend on that switch can no longer use the LAN.✓ 答案
B. Nothing, because a star has no single point of failure.
C. The LAN becomes a personal database.
D. Only the colour depth of images changes.
解說
The central switch is a single point of failure in a star. Saying a star has no single point of failure is a common wrong answer.