An introduction slide should immediately follow the title slide

A class name begins with a(n) ________ which is represented by a period (.)

Fill in the blank(s) with correct word

Answer the following statements true (T) or false (F)

1. A firewall may be designed to operate as a filter at the level of IP packets or may operate at a higher protocol layer. ? ?? 2. The packet filter is typically set up as a list of rules based on matches to fields in the IP or TCP header. ?? 3. ?The direction control determines the types of Internet services that can be accessed, inbound or outbound. ? 4. The firewall cannot fully protect against internal threats. ?? 5. ??A firewall may not act as a packet filter. ???