Computer Networking
You are working with a network that is 172.16.0.0 and would like to have the maximum number of hosts per subnet. This assumes support for eight subnets. What subnet mask should you use?

255.255.240.0
255.255.255.0
255.255.224.0
255.255.248.0
255.255.192.0

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

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

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