中等ICT-MULT-006
Lossless compression:
A. Permanently deletes detail from a photograph.
B. Is a phishing message.
C. Can be reversed so the original data is restored.✓ 答案
D. Is a wide area network.
解說
Lossless compression packs data without throwing the original away. It is the safer choice for a logo or any file that must stay exact.