35 multiple-choice questions in College Board exam style. Each has four choices and a full explanation of why each option is right or wrong.
Remember n bits = 2ⁿ values. Each added bit doubles the number of representable values.
Lossy loss is permanent; lossless is fully recoverable. Match the type to whether loss is acceptable.
Correlation is not causation. A pattern in data does not prove one thing causes another.
Read the explanations even when you got it right, and remember metadata is data about data.