Computer Networking
Your router has the following IP address on Ethernet0: 172.16.2.1/23. Which of the following can be valid host IDs on the LAN interface attached to the router?1. 172.16.1.1002. 172.16.1.1983. 172.16.2.2554. 172.16.3.0

1 only
2 and 3 only
3 and 4 only
2 and 5 only
None of these

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Computer Networking
A T-switch is used to

echo every character that is received
transmit characters one at a time
control how messages are passed between computers
rearrange the connections between computing equipment
None of these

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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
1 only
2 and 3
3 only

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