________, such as an asterisk (*) or question mark (?), substitute for other characters when used in a query

There is no need to close ports on individual machines if a firewall is used to filter traffic that enters the network

Indicate whether the statement is true or false.

In an electronic data interchange environment, the audit trail

A. is a printout of all incoming and outgoing transactions B. is an electronic log of all transactions received, translated, and processed by the system C. is a computer resource authority table D. consists of pointers and indexes within the database