What should the user do?

Explanations:

Removing the alarm would stop all monitoring of CPU utilization and prevent notifications for both the virus scan and any future CPU spikes. This is not a practical solution if the user wants to keep monitoring after the scan.

Disabling the alarm temporarily using the CLI allows the user to stop receiving notifications while the virus scan is running without losing the alarm configuration. The user can easily re-enable it afterward.

Modifying the CPU utilization alarm by removing the email alert does not solve the immediate problem since it would still trigger the alarm. Additionally, it would not allow for any notifications in the future when the CPU utilization exceeds the threshold.

Disabling the alarm for a while using the console is a valid option but not the best compared to using the CLI. However, it still achieves the same outcome of preventing notifications during the virus scan. It may be less efficient than using the CLI for users who prefer command-line operations.