FC0-U71 Infrastructure Practice Question
A small business owner wants to print multi-part carbon-copy invoices on continuous form paper in a warehouse environment where dust is common. Which printer type is most appropriate?
⚠ Common exam trap
The trap here is assuming any modern printer can produce multi-part forms, when only impact technology physically strikes through carbon layers.
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
✓
Dot matrix
Impact printing is the only method that physically transfers ink through multiple paper layers to create carbon copies. Dot matrix printers are designed for continuous form paper and tolerate dusty industrial environments, making them the standard choice for multi-part invoices. Inkjet, laser, and thermal technologies all print on a single surface and cannot produce duplicate copies on multi-part forms.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Inkjet
Why it's wrong here
Inkjet printers use liquid ink sprayed through nozzles and are designed for standard cut-sheet paper. They cannot handle continuous form paper with carbon copies, and the print heads clog easily in dusty environments. This makes them a poor fit for the warehouse invoice printing scenario.
- ✗
Laser
Why it's wrong here
Laser printers use toner and a fuser to bond images onto cut-sheet paper. While fast and office-friendly, they cannot produce multi-part carbon-copy forms because the fuser only prints on the top sheet. Dust also contaminates the imaging drum, reducing reliability in a warehouse.
- ✗
Thermal
Why it's wrong here
Thermal printers require special heat-sensitive paper and produce only single-sheet output. They cannot create carbon-copy multi-part forms, and the paper fades over time or with heat exposure. This makes them unsuitable for invoices that need physical duplicates in a warehouse.
- ✓
Dot matrix
Why this is correct
Dot matrix printers use a print head with pins that physically strike an inked ribbon against the paper. This impact mechanism transfers the impression through multiple carbon-copy layers simultaneously. They are also robust in dusty industrial settings and handle continuous form paper with tractor feed, matching the scenario perfectly.
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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.