Computer Networking
Eight stations are competing for the use of the shared channel using the modified Adaptive free walk protocol by Gallager. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?

14 slots
5 slots
1 slots
10 slots
None of these

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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?

255.240.0.0
255.254.0.0
255.224.0.0
255.248.0.0
255.252.0.0

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Computer Networking
The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband.

Baseband refers to local area networks, and broadband refers to wide area networks.
Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions
Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed
Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable

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