H11-811 · Question #205
Which of the following boards is the main control board of an IAD?
The correct answer is A. CVP. CVP (Control and Voice Processing) board serves as the main control board of an IAD, acting as the central hub that manages system operations, call processing, signaling, and coordination between all other functional boards in the device. Why the distractors are wrong: B. OSU…
Question
Which of the following boards is the main control board of an IAD?
Options
- ACVP
- BOSU
- CASI
- DMCU
How the community answered
(31 responses)- A84% (26)
- B10% (3)
- C3% (1)
- D3% (1)
Explanation
CVP (Control and Voice Processing) board serves as the main control board of an IAD, acting as the central hub that manages system operations, call processing, signaling, and coordination between all other functional boards in the device.
Why the distractors are wrong:
- B. OSU (Optical Subscriber Unit) is an interface board for optical access connections, not a control function.
- C. ASI (Analog Subscriber Interface) handles analog subscriber line connections - it's a peripheral interface board, not a control board.
- D. MCU in this context refers to a multi-point or media control component, which plays a supporting role rather than serving as the primary system controller.
Memory tip: Think of CVP = Captain of the Vessel, Piloting - just as a captain controls and coordinates a ship, the CVP board controls and coordinates the entire IAD system.
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