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CBSE Class 12 Informatics Practices Question 14 of 108

Computer Networks — Question 6

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Question 6

Sony has set up its branch at Srinagar for its office and web-based activities. It has four Zones of buildings as shown in the diagram:

Sony has set up its branch at Srinagar for its office and web-based activities. It has four Zones of buildings as shown in the diagram: Computer Networks, Informatics Practices Preeti Arora Solutions CBSE Class 12

Branch-to-branch distance is:

Zone X to Zone Z40 m
Zone Z to Zone Y60 m
Zone Y to Zone X135 m
Zone Y to Zone U70 m
Zone X to Zone U165 m
Zone Z to Zone U80 m

Number of Computers:

Zone X50
Zone Z130
Zone Y40
Zone U15

(a) Suggest the most suitable cable layout or network topology of connections between the zones.

(b) Suggest the most suitable place (i.e., Zone) to house the ERP and BI Server of this organization with a suitable reason, with justification.

(c) Suggest the placement of the following devices with justification:

  1. Repeater
  2. Hub/Switch

(d) Which is the most economic type of cable for the selected topology ?

Answer

(a) The most suitable cable layout or network topology for connecting the zones is a bus topology.

(b) The most suitable place (i.e., Zone) to house the ERP and BI Server is Zone Z as it has the maximum number of computers which will reduce cabling cost.

(c)

(i) As per the suggested layout, separate repeaters need not to be installed as distance among zones is not exceeding 70m.

(ii) Hub/Switch should be placed in each zone.

(d) An economic type of cable is Ethernet or Coaxial cable as it can connect two computers at an economic rate though it provides lesser speed than other expensive methods.