Computer Networking
You are working with a network that has the network ID 10.9.0.0 and contains 73 networks. In the next year, you will be adding an additional 27 branch offices to your company. For simplified management, you want to keep the most possible hosts per subnet. Which subnet mask should you management, you want to keep the most possible hosts per subnet. Which subnet mask should you use?

255.224.0.0
255.240.0.0
255.252.0.0
255.254.0.0
255.248.0.0

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Computer Networking
Synchronous protocols

are more reliable
allow faster transmission than asynchronous protocols do
are generally used by personal computers
None of these
transmit characters one at a time

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Computer Networking
Demodulation is a process of

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

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