中等ICT-SOCI-010
After a signup is finished, the personal data collected for it should be:
A. Kept forever because storage is cheap.
B. Posted on a public story.
C. Left only in RAM and nowhere else, including no deletion decision.
D. Kept no longer than the purpose requires.✓ 答案
解說
Retention should match the purpose. When the signup is over, delete what you no longer need rather than building an unnecessary archive of phone numbers.