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TCP Protocol Functionality

Python/Codinghard0.4 min readPremium
Frequency
Low
Asked at 1 company
Category
179
questions in Python/Coding
Difficulty Split
127E|24M|28H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
ZS Associates
Key Concepts Tested
window
Expert AnswerPremium
88 wordsInterview-ready
**Why TCP in Data Pipelines:** Reliable, ordered delivery—critical for DB connections, Kafka (uses TCP), file transfer. Guarantees: no loss, no duplicates, ordered. **Mechanics:** 3-way handshake (SYN, SYN-ACK, ACK); flow control (sliding window); congestion control; retransmission on loss. Overhead: ~40B header, RTT for handshake. **Trade-offs:** UDP = lower latency, no guarantee—use for metrics, streaming where loss acceptable. TCP = reliability....
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