Exam 3: Fundamentals of Firewalls

A firewall that uses a combination of approaches rather than a single approach to protect the network is called:

Once a circuit level gateway verifies the user's logon,it creates a virtual circuit between:

A ____________ firewall solution is actually a combination of several different firewall systems in a single system.

Identifying abnormal activity on a firewall requires that one establish a:

Which type of firewall is included in Windows XP and many distributions of Linux operating systems?

In many typical configurations with multiple firewalls,e-mail servers and FTP servers are located in the:

A term used to refer to the process of authentication and verification as accomplished on some gateways is ____________.

Taking security precautions such as keeping patches updated,uninstalling unneeded applications,closing unused ports,and turning off unused services is called ____________ the operating system.

Which type of firewall negotiates between the server and client to permit or deny connection based on the type of software and connection requested?

Which serves as a single contact point between the Internet and the private network?

At what OSI layer do packet filters function?

With a circuit level gateway in place,external users only see the IP address of the ____________.

How can vulnerability to flooding attacks be reduced with an application gateway?

An open source software circuit level gateway is available from which of the following?

Which firewall denies or permits access based in part on data determined from previous packets in the conversation?

A firewall configuration using a server as a router and running multiple network interfaces with automatic routing disabled is an example of a:

The first rule of firewalls dictates that to provide the best security,they not only must be installed properly,but they must also be ____________ properly.

Which is a term used to refer to the process of authentication and verification?

In comparing a packet filter firewall with a stateful packet inspection firewall (SPI),the SPI firewall is:

Which firewall configuration would be appropriate within a network to separate and protect various subnets of a network to provide greater security?