While on a Business Trip, an Employee's Laptop Battery Is

Multiple Choice

While on a business trip, an employee's laptop battery is draining more quickly than usual. The employee is using a 4G connection to work remotely. Which of the following battery-consuming features should the employee configure temporarily to conserve the MOST battery life and continue to work as usual?

A) Cellular
B) Airplane mode
C) Keyboard backlight
D) Screen brightness