COMPUTER NETWORKING

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NETWORK SECURITY

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ is a system that isolates internal networks from the internet by downloading and storing internet files on behalf of internal clients.
A
Firewall
B
Load Balancer
C
All-in-one security appliance
D
Proxy server
Explanation: 

Detailed explanation-1: -A proxy firewall is a network security system that protects network resources by filtering messages at the application layer. A proxy firewall is also be called an application firewall or gateway firewall.

Detailed explanation-2: -A firewall is defined as a cybersecurity tool that monitors incoming and outgoing network traffic and permits or blocks data packets based on a set of cybersecurity rules. Firewalls are generally deployed to isolate network nodes from egress and ingress data traffic or even specific applications.

Detailed explanation-3: -A firewall is software or firmware that prevents unauthorized access to a network. It inspects incoming and outgoing traffic using a set of rules to identify and block threats.

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