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Understanding Firewall Functions and Evolution

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Understanding Firewall Functions and Evolution

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Questions and Answers

What is the main advantage of a stateful packet filter (stateful firewall) compared to a regular packet filter?

It is faster in processing packets

It is more affordable

It is easier to configure

It provides better security (correct)

Which type of system is an application gateway designed to work for?

Certain specific applications only (correct)

Internal network applications only

Web-based applications only

All types of applications

What is the primary function of a proxy server?

Performing network transactions on behalf of users (correct)

Creating virtual private networks

Encrypting network traffic

Monitoring network communications

How are Virtual Private Networks (VPNs) related to firewalls?

VPNs provide additional security on top of firewalls Signup and view all the answers

Do all firewalls automatically include a DMZ (De-Military Zone)?

No, DMZ is not commonly included in firewalls Signup and view all the answers

Which network component is responsible for understanding the 'language' used by specific applications?

Application gateway Signup and view all the answers

In the context of network security, what is the primary purpose of encrypting traffic in a Virtual Private Network (VPN)?

To prevent unauthorized access and data interception Signup and view all the answers

What type of servers are often placed in a DMZ?

Public mail and web servers Signup and view all the answers

What distinguishes a stateful packet filter from a regular packet filter?

Stateful packet filter monitors the state of active connections. Signup and view all the answers

Why are VPNs commonly used alongside firewalls?

VPNs provide additional protection by encrypting data traffic. Signup and view all the answers