The technician should adjust the firewall settings to resolve the issue of not being able to access an internal site at https://companyintranet.com:8888. The firewall settings control how the firewall filters and allows network traffic based on rules and policies. The firewall settings may be blocking or preventing the access to the internal site by mistake or by default, especially if the site uses a non-standard port number such as 8888. The technician should check and modify the firewall settings to allow the access to the internal site or its port number. Default gateway settings determine how a computer connects to other networks or the internet. Default gateway settings are not likely to cause the issue of not being able to access an internal site if the user can access the public internet. DHCP settings determine how a computer obtains its IP address and other network configuration parameters automatically from a DHCP server. DHCP settings are not likely to cause the issue of not being able to access an internal site if the user can access other network resources. IP address settings determine how a computer identifies itself and communicates with other devices on a network. IP address settings are not likely to cause the issue of not being able to access an internal site if the user can access other network resources. Antivirus settings control how the antivirus software scans and protects the computer from malware and threats. Antivirus settings are less likely to cause the issue of not being able to access an internal site than firewall settings, unless the antivirus software has its own firewall feature that may interfere with the network traffic. Reference: CompTIA A+ Core 2 (220-1002) Certification Exam Objectives Version 4.0, Domain 1.6

Personalization is a Windows 10 setting that allows a user to modify the desktop wallpaper, as well as other aspects of the appearance and behavior of the desktop, such as colors, themes, sounds, etc. Apps is a Windows 10 setting that allows a user to manage the installed applications and their features. Updates is a Windows 10 setting that allows a user to check for and install the latest updates for the OS and other components. Display is a Windows 10 setting that allows a user to adjust the screen resolution, brightness, orientation, etc. Verified Reference: https://www.comptia.org/blog/windows-10-settings https://www.comptia.org/certifications/a

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.

The rollback plan should be updated before requesting approval again. A rollback plan is a plan for undoing a change if it causes problems, and it is an important part of any change management process. If the change advisory board did not approve the requested change due to the lack of alternative actions if implementation failed, then updating the rollback plan would be the best way to address this concern.

A technician setting up a new laptop must ensure that users cannot install virtual machines as the company's security policy states One way to prevent users from enabling virtual technology is by implementing Secure Boot. Secure Boot is a feature of UEFI firmware that ensures the system only boots using firmware that is trusted by the manufacturer. It verifies the signature of all bootloaders, operating systems, and drivers before running them, preventing any unauthorized modifications to the boot process. This will help prevent users from installing virtual machines on the laptop without authorization.