The main disadvantage of a star topology is:

  1. it cannot use Ethernet
  2. adding nodes is very difficult
  3. the central switch is a single point of failure
  4. one cable fault stops the whole network
Answer

C) the central switch is a single point of failure

If the switch fails all nodes lose connection; a single cable fault affects only one node. SLO CS-11-A-03

Computer Science MCQ · More Unit 1: Computer Systems MCQs · Practise