The index entry "marketing, 1, 2, 3, 4, 5" is an example of a(n) ________ index

The ____ of a variable indicates how long the variable remains active.

A. lifetime B. scope C. range D. duration

____ is a TCP/IP application protocol that transfers files in bulk data streams and is commonly used on the Internet.

A. SMTP B. SMB C. CIFS D. FTP