Mobile Device Management (MDM) enables administrators to enforce controls on enterprise devices, such as restricting apps, ensuring compliance, and remotely managing security policies.
Why Not B (MFA): Multi-Factor Authentication secures user access but does not control device configurations.
Why Not C (VPN): VPN secures communication but does not enforce device controls.
Why Not D (SSL): SSL secures data in transit but does not provide device management.
CompTIA A+ Exam Reference: Core 2 (220-1102), Section 2.7, device management concepts.

Dropping a smartphone can damage the digitizer, which is the component responsible for sensing touch input.
This can cause issues with tapping and swiping on the screen, as well as other touchscreen-related issues.
References: CompTIA A+ Certification Exam Core 1 Exam Objectives - 3.3 Given a scenario, troubleshoot mobile device issues

A patch panel is a mounted hardware unit containing ports used to manage cable connections. The individual pairs of a Cat 6 cable are terminated on the patch panel, which then provides a central location for cable management and organization. The patch panel is then connected to the switch using a patch cable.

See the answer below in explanation part.
Explanation:
Answer of both steps below.

The issue of video but no audio on a projector in a conference room can be resolved by utilizing an HDMI connection between the PC and the projector. HDMI supports both video and audio signals and is commonly used to connect a PC to a projector for presentations. Changing the input on the projector to VGA, changing the output on the PC to DVI, or modifying the projector's refresh rate will not resolve the issue. References:
CompTIA A+ Certification Exam: Core 1 - Objective 2.5