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?

5 slots
None of these
10 slots
14 slots
1 slots

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Computer Networking
The network layer, in reference to the OSI model, provide

None of these
data link procedures that provide for the exchange of data via frames that can be sent and received
the virtual circuit interface to packet-switched service
All of these
the interface between the X.25 network and packet mode device

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