Which protocol of the TCP/IP suite addresses reliable data transport?

The correct answer is A. Transmission control protocol (TCP). TCP is a connection-oriented protocol that provides reliable data transport through mechanisms such as three-way handshaking, sequencing, acknowledgments, retransmission of lost packets, and flow control. UDP is connectionless and unreliable (no guaranteed delivery). IP handles…

Submitted by miguelv· Apr 18, 2026Network and Communications Security

Question

Options

ATransmission control protocol (TCP)
BUser datagram protocol (UDP)
CInternet protocol (IP)
DInternet control message protocol (ICMP)

How the community answered

(25 responses)

A
96% (24)
B
4% (1)

Explanation

TCP is a connection-oriented protocol that provides reliable data transport through mechanisms such as three-way handshaking, sequencing, acknowledgments, retransmission of lost packets, and flow control. UDP is connectionless and unreliable (no guaranteed delivery). IP handles routing and logical addressing. ICMP handles error reporting and diagnostics, not data transport reliability.

Topics

#TCP/IP#Protocols#Reliable data transport#Networking fundamentals

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