The ________ function could be used to capitalize the first letter of each word in a text string

In Excel, in the Function Arguments dialog box, what does it mean when an argument name displays in bold?

A) It must be a cell reference. B) It must be a number value. C) It is not required. D) It is required.

Early file-sharing applications such as Napster were restricted in their scalability by the need to maintain a central index of resources and the hosts that hold them. What other solutions to the indexing problem can you identify?

What will be an ideal response?