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Question 756 - N10-008 discussion

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A network engineer is upgrading an existing edge gateway. The company currently uses a router and needs to be able to filter on all OSI layers. Which of the following should the engineer use to upgrade the gateway?

A.
NGFW
Answers
A.
NGFW
B.
Proxy
Answers
B.
Proxy
C.
Layer 3 switch
Answers
C.
Layer 3 switch
D.
Load balancer
Answers
D.
Load balancer
Suggested answer: A

Explanation:

A Next-Generation Firewall (NGFW) is a type of firewall that can filter traffic on all OSI layers, as well as provide advanced security features such as application awareness, intrusion prevention, and threat intelligence. A NGFW can replace a traditional router at the edge of a network and provide better protection against network attacks.

A proxy is a server that acts as an intermediary between clients and servers, forwarding requests and responses. A proxy can filter traffic on the application layer (layer 7), but not on the lower layers of the OSI model.

A layer 3 switch is a device that can perform both switching and routing functions. A layer 3 switch can filter traffic on the network layer (layer 3), but not on the higher or lower layers of the OSI model.

A load balancer is a device that distributes incoming traffic among a group of servers, improving performance and reliability. A load balancer can filter traffic on the transport layer (layer 4), but not on the higher or lower layers of the OSI model.

Reference

What is a Next-Generation Firewall?

What is a Reverse Proxy vs. Load Balancer?

Load Balancers Vs Api Gateway Vs Reverse Proxy

Reverse Proxy and Load Balancer: Understanding the Difference

CompTIA Network+ Certification All-in-One Exam Guide, Eighth Edition (Exam N10-008)

asked 02/10/2024
Massimiliano Parisi
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