CompTIA A+ Core 1 (220-1001) — Question 82

A technician needs to call a user's cellular provider to troubleshoot a network speed issue with the user's mobile device. Which of the following technologies is the technician troubleshooting?

Answer options

• A. Long-term evolution
• B. Near-field communication
• C. Radio frequency ID
• D. Z-wave

Correct answer: A

Explanation

The correct answer is A, Long-term evolution (LTE), which is a standard for wireless broadband communication for mobile devices and is directly related to network speed issues. The other options, such as B (Near-field communication) and C (Radio frequency ID), are not relevant to mobile network speed, and D (Z-wave) is a wireless communication protocol primarily used for home automation.