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CompTIA DHTI+ Practice Questions

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Which device transmits video signals across twisted-pair wiring?
  1. Modulator
  2. Balun
  3. Switcher
  4. Multiplexer
Explanation
Answer - B - A Balun transmits video signals across twisted-pair wiring.

Key Takeaway: A video balun is installed at each end of the cable run to convert the coaxial cable video signal to twisted-pair cable video signal. One end of the balun has an RJ-45 jack and the other end has a push-on F-type connector. If Cat 5e cabling is used, a balun must be installed at each end of the cable.
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