Computer Networking
If a host on a network has the address 172.16.45.14/30, what is the subnetwork this host belongs to?

172.16.45.4
172.16.45.8
192.168.10.126
172.16.45.12
172.16.45.0

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Computer Networking
Communication network is

a continuous frequency capable of being modulated or impressed with a second signal
the condition with two or more stations attempt to use the same channel at the same time
a collection of interconnected functional units that provides a data communications service among stations attached to the network
None of these
one or more conductors that serve as a common connection for a related group of devices

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Computer Networking
The packets switching concept was first proposed

in the late 1950s for Defense Ministry of US
None of these
All of these
in the early 1960s for military communication systems, mainly to handle speech
in the late 1980s for the Defense Ministry of US.

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Computer Networking
Terminals are required for

None of these
realtime, timesharing, and message switching
realtime, batch processing, and timesharing
realtime, timesharing, and distributed processing
realtime, distributed processing, and manager inquiry

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