What kind of network hardware acts as a basic demodulator/modulator converting digital computer signals into analog waves for transmission over legacy infrastructure lines? MCQ with Answer and Explanation

Question
What kind of network hardware acts as a basic demodulator/modulator converting digital computer signals into analog waves for transmission over legacy infrastructure lines?
A. Network Switch Hub
B. Modem
C. Repeater Box
D. Bridge Unit
Answer: Option B
Solution (By JKSSB Mock Tests)
A modem (Modulator-Demodulator) converts digital signals from computing hardware into analog formats suitable for transmission lines, and vice versa.
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