Exam 4: Firewall Technologies and Administration

Describe how packet-filtering routers can be configured to lower an organization's risk from external attack.

A(n) ____________________ is a boundary between two zones of trust.

Which application-level gateway task provides the benefit to an internal network of shielding actual internal IP addresses from the prying eyes of unauthorized external clients?

What is one of the most effective methods for improving computing security in the SOHO setting?

Match each item with a statement below. a.Commercial-grade firewall f.Application-level gateway b.Dual-homed host firewall g.URL filtering c.Packet-filtering firewall h.Circuit-level gateway d.Stateless packet filtering i.Firewall appliances e.Stateful packet filtering -Stand-alone, self-contained combinations of computing hardware and software.

The dominant firewall architecture used today is the screened subnet firewall.

You should block packets that use ports below 20.

The architecture of a screened subnet firewall provides a ____.

At the Physical layer, data is referred to as a ____.

Which firewall architecture combines the packet-filtering router with a separate, dedicated firewall, such as an application proxy server?