Deep Dive: G8C05
The correct answer is A: Request retransmission of the packet. In an ARQ mode, what is meant by a NAK response to a transmitted packet is to request retransmission of the packet. NAK (Negative Acknowledgment) indicates the packet was received with errors and requests retransmission. For amateur radio operators, this is how ARQ error correction works. Understanding this helps when operating ARQ modes.
Why Other Answers Are Wrong
Option B: Incorrect. NAK doesn't mean packet received without error - that would be ACK (Acknowledgment). NAK means error detected. Option C: Incorrect. NAK doesn't mean receiving station connected and ready - that's a different message. Connection status isn't NAK. Option D: Incorrect. NAK doesn't mean entire file received correctly - that would be a completion message, not NAK. File completion isn't NAK.
Exam Tip
ARQ NAK response = request retransmission of packet. Think 'N'AK = 'N'egative 'A'cknowledgment = 'N'eed 'A'nother 'K'opy. NAK indicates packet received with errors and requests retransmission. Not received correctly, not connected, not file complete - just request retransmission.
Memory Aid
ARQ NAK response = request retransmission of packet. Think 'N'AK = 'N'eed 'A'nother 'K'opy. NAK indicates packet received with errors and requests retransmission. Standard ARQ error correction mechanism.
Real-World Example
ARQ mode: You transmit a packet. The receiving station checks for errors. If errors are detected, it sends NAK (Negative Acknowledgment), requesting retransmission. If no errors, it sends ACK (Acknowledgment). NAK means 'send it again' - request retransmission. This is how ARQ error correction works.
Source & Coverage
Question Pool: 2023-2027 Question Pool
Subelement: G8C
Reference: 2023-2027 Question Pool · G8 - Signals and Emissions
Key Concepts
Verified Content
Question from the official FCC General Class pool. Explanation reviewed by licensed amateur radio operators and mapped to the G8C topic.