________ is the process of checking for grammar, spelling, and punctuation errors

In which firewall configuration is the firewall running on a server with at least two network interfaces?

a. Network host-based b. Dual-homed host c. Router-based d. Screened host

If the steps in the accompanying figure must be followed in a particular order or direction, ____________________ are attached to the lines.

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