Online worksheet ยท 2 of 4
Agreed rules let systems cooperate - Online practice 2
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
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Paper protocol for practice event booking: request ID R12 is sent once. The server records that ID and creates one result, but the acknowledgement is lost. Rule: a repeated ID with the SAME payload returns the stored result without creating another; the same ID with a DIFFERENT payload is rejected. The client retries after a delay.
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