FC0-U71 Tech Concepts and Terminology Practice Question

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

• ✗

  MP3

  Why it's wrong here

  MP3 uses lossy perceptual coding that discards audio data permanently, so it cannot preserve the original file exactly. It is tempting because it compresses audio dramatically, and would be the correct choice when file size matters more than fidelity.

• ✓

  PNG

  Why this is correct

  PNG uses DEFLATE compression, which is lossless, so the original image data is fully reconstructed on decompression. This satisfies the requirement to store a file without discarding any data, unlike lossy formats such as JPEG.

• ✗

  BMP

  Why it's wrong here

  BMP stores uncompressed raster pixel data, so it cannot deliver the lossless compression the user requires. It is tempting because BMP is lossless in the sense of preserving exact pixel values, but that fidelity comes from no compression at all, not from a lossless codec such as PNG or GIF.

• ✗

  JPEG

  Why it's wrong here

  JPEG applies lossy discrete cosine transform compression, discarding image data permanently, so it fails the lossless requirement. It is tempting because JPEG is the default format for photographs and achieves small files, but that size reduction comes at the cost of irreversible quality loss, unlike PNG.

• ✓

  ZIP

  Why this is correct

  ZIP archives compress contained files using lossless algorithms such as DEFLATE, restoring exact original bytes on extraction. This satisfies the requirement to store a file with lossless compression, unlike lossy codecs that permanently discard data.