Question
Give two scenarios where UDP is preferred over TCP, with reasons.
Mark scheme — two of (1 each):
- Live video / voice streaming — latency must be low; small loss tolerable (B1)
- Online multiplayer games — speed matters more than perfect delivery (B1)
- DNS lookups — small queries, retry handled at app level (B1)
- Live broadcast — late packets are useless (B1)
4 marks · take your time before peeking.
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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.