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GATE IT 2004

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1 1 vote

A host is connected to a Department network which is part of a University network. The University network, in turn, is part of the Internet. The largest network in which the Ethernet address of the host is unique is:

 
(A) the subnet to which the host belongs
(B) the Department network
(C) the University network
(D) the Internet

1 Answer

2 2 votes

Answer is (D), the Internet. This is because, Ethernet address is the MAC address of the host (Wihout lose of generality, here physical address means MAC address since a specific LAN topology namely, Ethernet is mentioned). The MAC address is unique for every host. The largest network for which it is unique is asked. So Internet is the answer.

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