Page 262 - Informatics_Practices_Fliipbook_Class12
P. 262
5. Give one advantage and disadvantage to each of Bus and Star topology. [2022]
Ans. Start Topology:
(i) Advantage: Easy to install
(ii) Disadvantage: More cables required
Bus Topology:
(i) Advantage: Short Cable length
(ii) Disadvantage: Difficult to detect a fault
6. ABC International School, Delhi has different wings Administrative Wing (W1), Primary Wing (W2), Middle Wing(W3) and
Secondary Wing(W4) as shown in the diagram: [2022]
ADMINISTRATIVE PRIMARY WING
WING (W1) (W2)
MUMBAI
BRANCH
MIDDLE SECONDARY
WING (W3) WING (W4)
The school also has a branch in Mumbai. The school management wants to connect all the wings as well as all the computers
of each wing (W1, W2, W3, W4).
Distance between the wings are as follows:
W3 to W1 85 m
W1 to W2 40 m
W2 to W4 25 m
W4 to W3 120 m
W3 to W2 150 m
W1 to W4 170 m
Number of computers in each of the wing:
W1 125
W2 40
W3 42
W4 60
Based on the above specifications, answer the following questions:
(i) Suggest the topology and draw the most suitable cable layout for connecting the Delhi branch’s wings.
(ii) Suggest the kind of network required (out of LAN, MAN, WAN) for connecting
a. Administrative Wing (W1) with Middle Wing (W3)
b. Administrative Wing (W1) with the Mumbai branch.
(iii) Suggest the placement of the following devices with justification:
a. Repeater
b. Switch/Hub
248 Touchpad Informatics Practices-XII

