CompTIA A+ emphasizes that satellite internet connections inherently suffer from extremely high latency because the data must travel from the user's antenna to satellites orbiting tens of thousands of miles above Earth and back. Although satellite systems offer broad geographic coverage, this long travel distance introduces noticeable delays often 500ms or more.
Fiber, cable, and DSL operate through terrestrial wiring and have far lower latency due to short signal paths. Fiber, in particular, is the fastest and lowest-latency connection type.
Satellite delay significantly impacts VoIP calls, video conferencing, online gaming, and real-time applications. The A+ exam specifically notes latency as a major performance characteristic of satellite service, distinguishing it from other broadband technologies.
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