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Option 4 : Network of C2

In an office, two phones P1 and P2 are connected to LAN L1 & L2 respectively. If LAN is not in operation, the both the phones can be used for telecommunication.

[ alt="14.05.2018.001.007" src="//storage.googleapis.com/tb-img/production/18/05/14.05.2018.001.007.JPG">

→ L1 can be used for computer C1 and C2 only

→ L2 can be used for computer C1 and C3 only

[ alt="14.05.2018.001.008" src="//storage.googleapis.com/tb-img/production/18/05/14.05.2018.001.008.JPG" style="height:159px; width:258px">

If L1 is not in operation, then P1 (telecom) will work and C will work with network of L2. So, only network of C2 will not network.

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