The process of copying data from another file into a database is known as ________

A ________ is a single firewall device between an internal and external router. The firewall may implement stateful filters and/or application proxies. This is the typical firewall appliance configuration for small to medium sized organizations. ?

Fill in the blank(s) with the appropriate word(s).

Which layer governs a user's access to network services?

A. Presentation B. Application C. Session D. Transport