Proper measurement relies on the availability of meaningful standard ____.

Hexadecimal values use numbers to represent the amount of red, blue and green in a color

Indicate whether the statement is true or false

Audra is a manager in the Sales Department for Creative Pastry Gadgets. She needs access to up-to-date financial data and sales reports. Some of this information comes from Excel workbooks, but other information is stored in other software programs. In addition, Creative Pastry Gadgets maintains a database with detailed financial information and sales figures. Audra uses Excel to analyze data from external data sources. ? To prevent other users from updating a data source without permission, what should Audra do?

A. Define the data source. B. Remove the connection. C. Require a password. D. Nothing-Excel cannot prevent data from being refreshed.