Be Happy Corporation has set up its new centre at Noida, Uttar Pradesh for its office and web-based activities. It has 4 blocks of buildings.

Distance between the various blocks is as follows:
A to B 40 m
B to C 120m
C to D 100m
A to D 170m
B to D 150m
A to C 70m
Numbers of computers in each block
Block A - 25
Block B - 50
Block C - 125
Block D - 10
(a) Suggest and draw the cable layout to efficiently connect various blocks of buildings within the Noida centre for connecting the digital devices.
(b) Suggest the placement of the following device with justification
i. Repeater
ii. Hub/Switch
(c) Which kind of network (PAN/LAN/WAN) will be formed if the Noida office is connected to its head office in Mumbai?
(d) Which fast and very effective wireless transmission medium should preferably be used to connect the head office at Mumbai with the centre at Noida?