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?

255.255.248.0
255.255.192.0
255.255.224.0
255.255.240.0
255.255.255.0

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Computer Networking
A WATS arrangement

None of these
is always less expensive than flat-rate service
is less expensive than flat-rate service only when the number of calls is large and the duration of each is short
is less expensive than flat-rate service only when the number of calls is small and the duration of each is long
is never less expensive than flat-rate service

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