Computer Networking
When a new trunk link is configured on an IOS-based switch, which VLANs are allowed over the link?

No VLAN's are allowed, you must configure each VLAN by hand.
Only extended VLAN's are allowed by default.
By default, all VLANs are allowed on the trunk.
Only configured VLAN's are allowed on the link.

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Computer Networking
Bandlimited signal is

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

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Computer Networking
Demodulation is a process of

multiplexing various signals into one high speed line signals
converting analog to digital signals
converting digital to analog signals
performing data description.

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