Computer Networking
The coming together of three technologies i.e. microelectronics, computing and communications has ushered in

educational upgradation
information explosion
business revolution
information technology
None of these

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Computer Networking
What does a switch do when a frame is received on an interface and the destination hardware address is unknown or not in the filter table?

Floods the network with the frame looking for the device
Forwards the switch to the first available link
Drops the frame
Sends back a message to the originating station asking for a name resolution

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Computer Networking
The packets switching concept was first proposed

in the early 1960s for military communication systems, mainly to handle speech
None of these
in the late 1980s for the Defense Ministry of US.
All of these
in the late 1950s for Defense Ministry of US

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Computer Networking
Baseband is

the simultaneous transmission of data to a number of stations
a signal all of whose energy is contained within a finite frequency range
All of these
transmission of signals without modulation
None of these

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