The application layer proxy firewall is also known as a(n) .

Afiling system in which an intermediary source of reference, such as a file card, must be consulted to locate specific files is called a(n) system. a. shelf filing b. direct filing c. indirect filing d. shingling

Which computer tools allow you to communicate with coworkers, family,and friends

Which key should you press to leave the cell as it originally was? a. delete b. cancel c. backspace d. enter