Which statement about trunking in radio systems is true?

• A. The user can be switched to another channel without noticing.
• B. The system never changes channels.
• C. It requires manual channel hunting.
• D. It prevents any voice data from being sent.

Answer: (A)

Trunking lets many users share a pool of channels and automatically assigns an available channel for each transmission. When you initiate a call, a central control channel coordinates and allocates a voice channel from that pool. Because there are many users and finite channels, the system can assign and reallocate channels as needed to keep conversations going and to maximize capacity. The key point for the user is that you don’t have to manually pick or switch channels—the system handles it, and it can switch you to another channel if necessary without you noticing, so the call stays continuous. That seamless switching is what makes this statement true. The other ideas don’t fit: trunking isn’t limited to a single fixed channel, it isn’t about manual channel hunting, and it definitely carries voice data rather than preventing it.