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TCP vs UDP Protocol

General/Otherhard0.2 min readPremium

TCP: Connection-oriented, reliable, ordered; HTTP, DBs. UDP: Connectionless, no guarantee; streaming, DNS, IoT. TRADE-OFF: TCP = reliability, higher latency; UDP = speed, possible loss. Data pipelines: mostly TCP (Kafka, DB); UDP for metrics (StatsD) where loss acceptable.

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Frequency
Low
Asked at 1 company
Category
243
questions in General/Other
Difficulty Split
151E|43M|49H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
ZS Associates

Why This Question Matters

This hard-level General/Other question appears frequently in data engineering interviews at companies like ZS Associates. While less common, it tests deeper understanding that distinguishes strong candidates.

How to Approach This

This is a senior-level question that tests architectural thinking. Lead with the high-level design, then drill into specifics. Discuss trade-offs explicitly - there is rarely one correct answer. Show awareness of scale, fault tolerance, and operational complexity.

Expert Answer
37 words

TCP: Connection-oriented, reliable, ordered; HTTP, DBs. UDP: Connectionless, no guarantee; streaming, DNS, IoT. TRADE-OFF: TCP = reliability, higher latency; UDP = speed, possible loss. Data pipelines: mostly TCP (Kafka, DB); UDP for metrics (StatsD) where loss acceptable.

The complete answer continues with detailed implementation patterns, architectural trade-offs, and production-grade considerations covering performance optimization and real-world examples.

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According to DataEngPrep.tech, this is one of the most frequently asked General/Other interview questions, reported at 1 company. DataEngPrep.tech maintains a curated database of 1,863+ real data engineering interview questions across 7 categories, verified by industry professionals.

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