2. What is the relationship between a TCP packet and a UDP packet? Will any specific transaction usually involve both types of packets? Show
3. How is an application-layer proxy firewall different from a packet-filtering firewall? 4. How is static filtering different from dynamic filtering of packets? Which is perceived to offer improved security? 5. What is a stateful inspection? How is state information maintained during a network connection or transaction? 6. Explain the conceptual approach that should guide the creation of firewall rule sets. 7. What special function does a cache server perform? Why is this useful for larger organizations? 8. Describe how the various types of firewalls interact with network traffic at various levels of the OSI model. 9. What is a hybrid firewall? 10. Describe Unified Threat Management. Why might it be a better approach than single-point solutions that perform the same functions? How does UTM differ from Next Generation Firewalls? 11. What is a Next-Generation Firewall (NextGen or NGFW)? 12. What is the primary value of a firewall? 13. What is Port Address Translation (PAT) and how does it work? 14. How do screened host architectures for firewalls differ from screened subnet firewall architectures? Which offers more security for the information assets that remain on the trusted network? 15. What is a sacrificial host? What is a bastion host? 16. What is a DMZ? Is this really an appropriate name for the technology, considering the function this type of subnet performs? 17. What questions must be addressed when selecting a firewall for a specific organization? 18. What is RADIUS? What advantage does it have over TACACS? 19. What is a content filter? Where is it placed in the network to gain the best result for the organization? 20. What is a VPN? Why is it becoming more widely used? Answer & Explanation Solved by verified expertRated Helpful <p>gue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magn</p> Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet Unlock full access to Course Hero Explore over 16 million step-by-step answers from our library Subscribe to view answer
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How the various types of firewalls interact with network traffic at various levels of the OSI model?Describe how the various types of firewalls interact with the network traffic at various levels of the OSI model. Packet filtering firewalls include Static Filtering, dynamic filtering, and stateful inspection filtering these all work at the transport layer of the network.
How is an application layer firewall different from a packet filtering firewall why an application layer firewall is sometimes called a proxy server?An application layer firewall is frequently installed on a dedicated server separate from the filtering router, but commonly used with a filtering router. It is also refereed to as a proxy server because this firewall can be configured to run special software that acts as a proxy for a service request.
Can you explain the difference between a packet filtering firewall and an application layer firewall?The firewall acts as a guard. It guards a corporate network acting as a shield between the inside network and the outside world. All the traffic in either direction must pass through the firewall.
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Difference :. |