Using which Social engineering principle might an attacker impersonate a CEO of a company?

Which of the following is the advantage of using a form in a database?

a. A form is a visually attractive format in which to enter, edit, or display data. b. A form is a good way to display fields and records from a table in a format for printing. c. With a form you can retrieve data from one or more reports. d. A form allows you to display duplicate records for comparison.

Which VLOOKUP argument is optional?

A) range_lookup B) col_index_num C) lookup_value D) table_array