Which statement best describes a connection-oriented protocol with guaranteed service?

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Multiple Choice

Which statement best describes a connection-oriented protocol with guaranteed service?

Explanation:
A connection-oriented protocol with guaranteed service establishes a session before data transfer and ensures reliable, in-order delivery of data. That combination describes TCP: it creates a connection using a three-way handshake, assigns sequence numbers, and requires acknowledgments. If a segment is lost or corrupted, TCP retransmits it and keeps data in order, while sliding window flow control prevents the sender from overwhelming the receiver. This combination gives you dependable, error-checked delivery. In contrast, the other options don’t provide this mix: one is connectionless and offers no delivery guarantees, another is used for address resolution, and the last is for network diagnostics and error messaging rather than transport reliability.

A connection-oriented protocol with guaranteed service establishes a session before data transfer and ensures reliable, in-order delivery of data. That combination describes TCP: it creates a connection using a three-way handshake, assigns sequence numbers, and requires acknowledgments. If a segment is lost or corrupted, TCP retransmits it and keeps data in order, while sliding window flow control prevents the sender from overwhelming the receiver. This combination gives you dependable, error-checked delivery. In contrast, the other options don’t provide this mix: one is connectionless and offers no delivery guarantees, another is used for address resolution, and the last is for network diagnostics and error messaging rather than transport reliability.

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