Thermal paste, also known as thermal grease or thermal compound, is a substance that is applied between the CPU and the heat sink to improve the heat transfer and cooling of the CPU.
Thermal paste fills the gaps and irregularities between the CPU and the heat sink, creating a better contact and reducing the thermal resistance.

The concept that describes an application that is hosted on the Internet but can be used and configured as needed internally per organization is: SaaS (Software as a Service).
SaaS applications are centrally hosted on the cloud and made available to users over the Internet. Users can often configure and customize the application to some degree to fit their organization's specific needs.

The main reason to use a virtual machine as a sandbox is to test new software in a safe environment without risking the integrity of the host operating system. Using a virtual machine enables the testing of software and allows for the isolation of the software from the host system.

The technician should research the requirements of the CAD program to see if the computer meets them or needs any upgrades or updates to run it properly. The technician should also check the Event Viewer logs to see if there are any errors or warnings related to the application or system performance that could indicate the cause of the problem or suggest a solution. Reference: https://www.comptia.org/training/books/a-core-1-220-
1101-study-guide (pages 43, 47)