A cryptominer is a malicious program that uses the CPU resources of a computer to generate cryptocurrency, such as Bitcoin or Ethereum. This can cause the CPU to run at 100% utilization and slow down the system. Spyware, virus and keylogger are other types of malware, but they do not necessarily cause high CPU usage. Verified Reference: https://www.comptia.org/blog/what-is-cryptomining https://www.comptia.org/certifications/a

A full backup involves creating a copy of all data on the workstation, including system files and user-created data, and storing it on a set of tapes. This ensures that all data is backed up, and ensures that the data can be restored in the event of a system failure or data loss.

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.

E) A user cannot locate the phone after attending a play at a theater. F. A user forgot the phone in a taxi, and the driver called the company to return the device1 In scenario E, remote wipe capabilities would be used to prevent unauthorized access to the device and to protect sensitive data. In scenario F, remote wipe capabilities would be used to erase all data on the device before it is returned to the user.
Explanation:
Remote wipe capabilities are used to erase all data on a mobile device remotely. This can be useful in situations where a device is lost or stolen, or when sensitive data needs to be removed from a device. Remote wipe capabilities are most likely to be used in the following scenarios:

OSX (now macOS) is an operating system that is considered closed source, meaning that its source code is not publicly available or modifiable by anyone except its developers. It is owned and maintained by Apple Inc. Ubuntu, Android and CentOS are operating systems that are considered open source, meaning that their source code is publicly available and modifiable by anyone who wants to contribute or customize them. Verified Reference: https://www.comptia.org/blog/open-source-vs-closed-source-software https://www.comptia.org/certifications/a