Which step of the troubleshooting methodology focuses on confirming that the solution resolved the issue and preventing recurrence?

A user reports their smartphone connects to Wi-Fi but has very weak signal strength. Which hardware component should the technician check FIRST?

Which cellular technology listed below provides the highest potential download speeds?

A user wants to share their smartphone’s internet connection with a laptop using a USB cable. What is this process called?

Which wireless technology allows a mobile device to make contactless payments and operates within a few centimeters?

A laptop user wants to connect multiple peripherals (monitor, keyboard, mouse, Ethernet) using a single cable. Which device is BEST suited for this task?

Which mobile device accessory allows precise input on a touchscreen and is commonly used for drawing or note-taking?

A technician notices a smartphone’s screen is lifting away from the frame and the device becomes hot while charging. What is the MOST appropriate action?

A company uses software to enforce security policies, remotely wipe devices, and manage employee smartphones. What is this solution called?

A user reports their tablet loses all wireless connectivity when airplane mode is enabled. What is the PRIMARY function of airplane mode?

A smartphone uses an embedded digital SIM instead of a removable physical card. What type of SIM is this?

A technician removes all peripherals and tests a system using only essential hardware. Which troubleshooting step is being performed?

Which feature allows a smartphone to be unlocked using facial recognition?

A user wants to wirelessly display their smartphone screen on a TV. Which technology is commonly used for this purpose?