Some task durations are flexible in that they do not change according to the amount of resources applied.

Which type of software helps protect against viruses that are attached to e-mail?

A. Firewall software B. Antivirus software C. Windows Defender D. Hardware firewall

In spreadsheet software, the________________ feature ensures that the results in every cell are accurate for the information currently entered in the worksheet.

A. what-if analysis B. automatic recalculation C. relative reference D. absolute reference