FC0-U71 Tech Concepts and Terminology Practice Question
A user wants to save a photo with the highest quality but does not care about file size. Which file format should they use?
⚠ Common exam trap
The trap is that candidates associate JPEG with 'photos' and pick it by habit, but the question explicitly says the user does not care about file size and wants the highest quality — which rules out any lossy format.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
PNG
PNG uses lossless compression, so it preserves every pixel of the original photo without discarding detail, making it the best choice when quality matters more than file size. It also supports full color depth and alpha transparency, which JPEG cannot match.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
JPEG
Why it's wrong here
JPEG uses lossy compression, discarding image data permanently each time it is saved, so it cannot deliver the highest quality. It is tempting because it is the default photo format and produces small files. When file size is irrelevant, a lossless format such as PNG or TIFF preserves every pixel.
- ✗
ZIP
Why it's wrong here
ZIP is a lossless archive/compression container, not an image format; it cannot store photographic pixel data for direct viewing and offers no quality setting. It is tempting because it preserves files without loss, but that applies to bundling documents or reducing transfer size, not saving a photo at maximum quality.
- ✓
PNG
Why this is correct
PNG uses lossless compression, preserving every pixel exactly as captured, which satisfies the requirement for maximum image quality. Unlike JPEG's lossy DCT compression, which discards visual data to shrink files, PNG retains full fidelity regardless of resulting size. Since the user explicitly disregards file size, PNG's larger footprint is irrelevant here.
- ✗
MP3
Why it's wrong here
MP3 is a lossy audio codec and cannot store image data at all, so it fails the photo requirement outright. It is tempting as a familiar compressed media format, but it suits music and podcast distribution. Lossless image formats such as PNG or TIFF preserve full photo quality.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official CompTIA exam blueprint
This FC0-U71 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the FC0-U71 exam.