Answer it
P1 a2 star or mesh
3 marksYou mark it yourself against the marking points
A school has four buildings, and each building has its own switch. The school is choosing how to cable the four building switches together. Option 1 is a star: a new core switch in the server room, with one cable to each building switch. Option 2 is a full mesh: a cable directly between every pair of building switches.
(a) Calculate the number of cables Option 2 needs. [1]
(b) Compare Option 1 and Option 2 in terms of cost and resilience. [2]
[3]