COMPTIA A+ Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Prepare for the COMPTIA A+ Exam with confidence! Sharpen your skills through comprehensive quizzes and detailed explanations. Equip yourself with the knowledge needed to succeed in your certification journey.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What is SMF used for?

Transmitting LEDs
Transmitting lasers
Broadcasting television signals
Carrying electrical power

The correct answer is: Transmitting lasers

SMF stands for single mode fiber, which is a type of optical fiber that allows for the transmission of data using laser beams. Option A, transmitting LEDs, is incorrect because LEDs are used for lighting and not data transmission. Option C, broadcasting television signals, is incorrect because optical fiber is typically used for digital data transmission, not analog signals such as television. Option D, carrying electrical power, is incorrect because optical fibers are designed specifically for the transmission of optical signals, not electrical power.