Multiple ChoiceHard 30s
Exactly-Once Semantics
Choose the best answer for: exactly-once delivery
Options
- 1Exactly-once skips some messages entirely to avoid any duplicate delivery
- 2Exactly-once duplicates messages on purpose to guarantee no gaps or losses
- 3Exactly-once delivers each message precisely once (hard to achieve)
- 4Exactly-once is easy to guarantee because TCP already makes delivery exact
Think you can answer under pressure?
Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.