The correct answer is A. Remove account administrative rights, because unauthorized software installation is most commonly possible when users have local administrator privileges. In Windows environments, installing most applications requires elevated permissions. If users are members of the local Administrators group, they can bypass many built-in security controls and install software without IT approval.
According to the Quentin Docter - CompTIA A+ Complete Study Guide, the principle of least privilege is fundamental to endpoint security. Users should only be granted the minimum permissions necessary to perform their job functions. Removing administrative rights prevents users from installing unapproved applications and significantly reduces malware risk.
The Travis Everett & Andrew Hutz - All-in-One Exam Guide explains that while technologies like firewalls, SmartScreen, and Endpoint Detection and Response (EDR) provide important layers of protection, they do not directly stop users from installing software if they already have administrative access. EDR detects and responds to threats, but it does not prevent intentional installation by privileged users.
The Mike Meyers / Mark Soper Lab Manual reinforces that controlling user permissions is the most effective preventive control against unauthorized changes to a system. Removing admin rights stops the root cause rather than reacting after installation occurs.
Therefore, to prevent future unauthorized software installations, removing account administrative rights is the most direct and effective solution, making A the correct answer.

In the context of artificial intelligence, " hallucinations " refer to instances where an AI system generates information that is plausible-sounding but factually incorrect or entirely fabricated. This is a known limitation of large language models, including generative AI tools.
A). Data privacy refers to the protection of personal or sensitive data, not content accuracy.
C). Appropriate use relates to ethical and policy-based concerns, not factual correctness.
D). Plagiarism involves presenting someone else ' s work as your own - this situation is about accuracy, not ownership.
Reference:
CompTIA A+ 220-1102 Objective 4.4: Identify basic concepts of scripting and automation.
Study Guide Section: AI tools and responsible usage - hallucinations and fact-checking outputs

The correct answer is B. Getting assistance to lift the hardware . A rack-mounted UPS can be very heavy because it contains one or more internal batteries. When replacing or installing heavy rack-mounted equipment, the technician must consider personal safety and proper lifting techniques before performing the work. The Sybex practice-test explanations state that a UPS, also called a battery backup, can range in size from a small unit to equipment as large as an entire server rack, and it contains batteries and fuses used to provide power protection during power problems. The same source also explains that technicians should bend at the knees, lift with the legs, observe weight limitations, and use a partner lift or cart when needed.
Compressed air is related to cleaning, not replacing a UPS. Low-voltage regulations and fire suppression systems may be relevant to facility planning, but the immediate safety concern when replacing rack-mounted hardware is safe lifting and handling.

Windows Helloprovides alternative sign-in options including facial recognition, fingerprint scans, and PINs, reducing dependence on passwords.
FromAll-in-One Exam Guide:
"Windows Hello offers a range of biometric and PIN-based login methods designed to simplify access while enhancing security."
"It can be used in place of a password, ideal for users who frequently forget credentials."

The correct answer is C. Change the User Account Control (UAC) settings, because the credential prompt during installation indicates that the system is requesting administrative privileges. In Windows environments, UAC is designed to prevent unauthorized system changes by prompting for administrator approval when elevated permissions are required.
According to the Quentin Docter - CompTIA A+ Complete Study Guide, UAC acts as a security boundary between standard user activities and system-level changes such as software installation. If a user does not have sufficient privileges, the system will request administrator credentials before proceeding.
The Travis Everett & Andrew Hutz - All-in-One Exam Guide explains that technicians can temporarily adjust UAC settings or provide proper elevation to allow legitimate installations. This is especially common in corporate environments where users operate with standard accounts.
The Mike Meyers / Mark Soper Lab Manual reinforces that restarting the computer or using a different browser does not change permission requirements. Contacting the software vendor is unnecessary when the issue is clearly related to local security controls.
Because the installation is blocked by privilege restrictions enforced by UAC, adjusting User Account Control settings or providing proper elevation is the correct and most efficient resolution, making C the correct answer.