Explanation
The correct answer is B. Swapping the cables for the monitors. When the second monitor is connected with the HDMI port, it is necessary to swap the cables for the monitors so that the mouse can move from the original monitor to the new monitor. This is because the HDMI port is designed to only support one monitor, and the mouse will not be able to move from one to the other without the cables being swapped.
According to CompTIA A+ Core 2 documents, "When connecting multiple displays to a system, the cables used to connect the displays must be swapped between the displays. For example, if a monitor is connected to a system using a VGA cable, the VGA cable must be moved to the next display to allow the mouse to move between the two displays."

Explanation
Although updating the anti-malware software and running scans are important steps in removing malware, they may not be sufficient to permanently remove the malware if the user keeps engaging in behaviors that leave the system vulnerable, such as downloading unknown files or visiting malicious websites. Therefore, educating the user on safe computing practices is the best way to prevent future infections and permanently remove the malware.
Enabling System Restore, Booting into safe mode, and scheduling a scan are not the most efficient ways to permanently remove the malware. Enabling System Restore and Booting into safe mode may help in some cases, but they may not be sufficient to permanently remove the malware. Scheduling a scan is also important for detecting and removing malware, but it may not be sufficient to prevent future infections.
https://partners.comptia.org/docs/default-source/resources/comptia-a-220-1102-exam-objectives-(3-0)

Explanation
The best answer to control security settings on an Android phone in a domain environment is to use "Mobile Device Management (MDM)". MDM is a type of software that is used to manage and secure mobile devices such as smartphones and tablets. MDM can be used to enforce security policies, configure settings, and remotely wipe data from devices. In a domain environment, MDM can be used to manage Android phones and enforce security policies such as password requirements, encryption, and remote wipe capabilities12

Explanation
The technician should provide the user with a unique ticket number that can be referenced on subsequent calls to make sure the ticket is associated with the correct user. This is because registering the ticket with a unique user identifier, having the user provide a callback phone number to be added to the ticket, or assigning the ticket to the department's power user will not ensure that the ticket is associated with the correct user2.

Explanation
Screen Sharing is the default system tool that can be used in macOS to allow the technician to view the screen simultaneously with the user. Screen Sharing is a built-in app that lets users share their Mac screen with another Mac on the network. The user can enable screen sharing in the System Preferences > Sharing pane, and then allow other users to request or enter a password to access their screen1. The technician can launch the Screen Sharing app from the Spotlight search or the Finder sidebar, and then enter the user's name, address, or Apple ID to connect to their screen2. Remote Assistance is a Windows feature that allows users to invite someone to help them with a problem on their PC3. Remote Desktop Protocol (RDP) is a protocol that allows users to connect to a remote computer over a network4. Virtual Network Computing (VNC) is a technology that allows users to share their screen with other devices using a VNC viewer app1. These are not default system tools in macOS, although they can be used with third-party software or settings.
References: 1: https://support.apple.com/guide/mac-help/share-the-screen-of-another-mac-mh14066/mac 2:
https://www.howtogeek.com/449239/how-to-share-your-macs-screen-with-another-mac/ 3:
https://support.microsoft.com/en-us/windows/solve-pc-problems-over-a-remote-connection-b077e31a-16f4-2529
4:
https://docs.microsoft.com/en-us/windows-server/remote/remote-desktop-services/clients/remote-desktop-protoc