The answer is: switches.
Explanation:
Filtering is a function of switches.
Answer:
False
Explanation:
DSL(Digital Subscriber Line) :-It is a technology in which user gets high bandwidth connection over ordinary telephone lines.
This technique uses data modulation to achieve higher throughput over the telephone lines.Telephone lines carry voice signals over a small range of frequencies between 300 and 3300 Hz. So the frequencies that are higher are unused and available for data transfer.
DSL connection uses a modulation technique based on amplitude or phase modulation. With the help of modulation techniques DSL uses these unused higher frequencies.It uses frequency range higher than 300 to 3300 hz.
Answer:
To protect equipment in the event of power-cut
To ensure stable supply of current (protects against surges)
Explanation:
Class A.
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