Digital Audio Network Through Ethernet (DANTE) Level 2 2025 – 400 Free Practice Questions to Pass the Exam

The correct response highlights that TCP (Transmission Control Protocol) is designed to provide reliable transmission of data across a network. This reliability includes features such as acknowledgments of receipt, where the sender is notified when packets are received successfully. This is akin to a "signature required" mailing system, where delivery confirmation is provided.

TCP accomplishes this through a series of mechanisms, including sequence numbering and acknowledgments. When data is sent, TCP expects an acknowledgment (ACK) back from the receiving end. If an acknowledgment is not received within a certain timeframe, the sender will retransmit the data, ensuring that no data is lost in transit.

The other options do not accurately describe TCP’s functionality. For instance, the idea of immediate delivery without interruptions does not consider the necessity of error-checking and retransmitting lost packets, which can introduce delays. Likewise, saying TCP guarantees random packet delivery is incorrect, as TCP ensures ordered delivery of packets. The notion of uninterrupted data flow regardless of network issues is also misleading, as TCP adapts to network conditions and may slow down or stop during heavy congestion to manage the successful delivery of data.

By ensuring reliable delivery through confirmation of message receipt, TCP maintains the integrity of data transmission, making it a foundational protocol for