CompTIA Updated 220-1102 Exam Questions and Answers by tamara

One of the key environmental benefits of using virtualization is the reduction in physical space requirements. Virtualization allows multiple virtual machines to run on a single physical server, reducing the need for multiple physical servers. This consolidation leads to fewer physical machines, saving space in data centers and reducing the overall physical footprint.

A. Greater energy consumption is incorrect as virtualization typically leads to reduced energy consumption due to the consolidation of hardware.

B. Noise pollution can be reduced because fewer physical machines often mean less overall noise.

D. Fewer maintenance needs is a possible benefit but not directly related to environmental effects like reduced space requirements.

References:

CompTIA A+ Core 2 (220-1102) Exam Objectives, Section 4.5: Summarizing environmental impacts and local environmental controls, including the benefits of virtualization​​.

The first step is to disconnect external storage (Option A). Sometimes, the system may be attempting to boot from an external drive or USB device instead of the internal hard drive. By removing the external storage, the system will attempt to boot from the correct drive.

Flashing the BIOS (Option B) is more complex and typically unnecessary for this issue.

Replacing the SATA cable (Option C) may help if there's a hardware issue, but it's not the first troubleshooting step.

Turning on the device in safe mode (Option D) would not work if no operating system is detected.

CompTIA A+ Core 2 References:

5.1 - Apply troubleshooting methodologies, including steps for resolving boot issues​​.

In the Windows OS, to grant a user permissions equivalent to root-level permissions (which means full control over the system), the user needs to be given:

Administrator: The Administrator role provides full control over the system, including the ability to install and uninstall software, change system settings, and access all files and directories.

Power: The Power User role provides some administrative capabilities but not full control. It is a legacy role with fewer permissions than Administrator.

Default: This refers to a standard user account with limited permissions.

Superuser: This term is more commonly associated with Unix/Linux systems and is not a specific role in Windows.