Communications satellite
Describe Communications satellite?
Expert
A communications satellite (sometimes shortened to COMSAT) is an artificial satellite stationed in space for the reason of telecommunications. Modern communications satellites employ a variety of orbits including geostationary orbits, Molniya orbits, other elliptical orbits and low (polar and non-polar) Earth orbits.
How does VoIP (or voice over Internet protocol) work? What makes it dissimilar from the traditional phone service?
Passive Topology in CCNA: Whenever the computers on network simply receive and listens the signal, they are termed to as passive since they do not amplify the signal in any means.
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