AP CSP Day 20: Robot Navigation
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Practice Question
Which of the following best describes the role of TCP (Transmission Control Protocol) in Internet communication?
TCP provides reliable, ordered delivery of data. It numbers packets with sequence information, verifies receipt through acknowledgments, and requests retransmission of any lost or corrupted packets.
A) IP addresses are managed by protocols like DHCP and the IP protocol itself, not TCP. C) Encryption is provided by TLS/SSL, which operates on top of TCP. B) Physical cable routing is an infrastructure concern, not a protocol function.
Students confuse the roles of TCP and IP. TCP handles reliable delivery and ordering. IP handles addressing and routing. They work together as TCP/IP.
Remember the division of labor: TCP = reliable, ordered delivery. IP = addressing and routing. They are separate protocols that work together.
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