Computer Networking
Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?1. Switch2. NIC3. Hub4. Repeater5. RJ45 transceiver

1 only
All of these
5 only
3 and 4
1 and 3

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Computer Networking
Bandlimited signal is

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

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