Computer Networking
The most important part of a multiple DHCP configurations is to make sure you don't have which of the following in the different scopes? Select the best answer.

Duplicate pools
Duplicate subnets
Duplicate addresses
Duplicate default gateways
None of these

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Computer Networking
Demodulation is the process of

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

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Computer Networking
Why does the data communication industry use the layered OSI reference model?1. It divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.2. It enables equipment from different vendors to use the same electronic components, thus saving research and development funds.3. It supports the evolution of multiple competing standards and thus provides business opportunities for equipment manufacturers.4. It encourages industry standardization by defining what functions occur at each layer of the model.

1 and 4
2 and 3
3 only
1 only

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