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RCDD · Question #297
RCDD Question #297: Real Exam Question with Answer & Explanation
The correct answer is A. Balanced twisted pair. In an IPTS backbone, balanced twisted pair cannot carry the broadband RF signals required for LCD television distribution, making it the one medium that does not support all three services.
Question
You are designing an interactive patient television system (IPTS) that will provide internet, nurse call and LCD television services. From the following, which medium will NOT support these services in a backbone cabling system?
Options
- ABalanced twisted pair
- BCoaxial 1/2 inch hard-line cable
- CMultimode optical fiber cable
- DRG-11 coaxial cable
Explanation
In an IPTS backbone, balanced twisted pair cannot carry the broadband RF signals required for LCD television distribution, making it the one medium that does not support all three services.
Common mistakes.
- B. Coaxial 1/2 inch hard-line cable is a broadband medium rated for RF signal transport and is commonly used in CATV backbone distribution supporting internet, nurse call, and television.
- C. Multimode optical fiber supports high-bandwidth transmission of combined internet, video, and signaling services and is a valid IPTS backbone medium.
- D. RG-11 coaxial cable is a large-diameter, low-loss broadband cable suitable for backbone-level distribution of CATV and internet signals.
Concept tested. IPTS backbone cabling medium selection
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