Computer Networking
Which type of OSPF network will elect a backup designated router?1. Broadcast multi-access2. Non-broadcast multi-access3. Point-to-point4. Broadcast multipoint

1 and 2
3 and 4
3 only
None of these

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Computer Networking
Demodulation is the process of

combining many low speed channels into one high speed channel
converting analog signals to digital signals
None of these
dividing the high-speed signals into frequency bands
converting digital signals to analog signals

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