Online worksheet ยท 2 of 4
Detect when the starting version is stale - Online practice 2
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
Read before answering
Record R3 starts at version 3 with title 'Original 3'. Editors A and B both load that version. A saves 'Alpha 3' expecting version 3; the server creates version 4. B then saves 'Beta 3' still expecting 3. Policy: compare stored and expected versions atomically; mismatch preserves stored data and unsaved input for review.
Worksheet preview
This exercise is included in the paid course. Full-course fee: GBP 200.00 once. Register and enrol to complete all course exercises and download the course PDFs. Access begins after payment is confirmed.
Already registered? Sign in