Computer Networking
In OSI model, which of the following layer transforms information from machine format into that understandable by user

application
None of these
physical
presentation
session

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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
Sends back a message to the originating station asking for a name resolution
Forwards the switch to the first available link
Drops the frame

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