What is the purpose of a firewall in network security, and how does it function to protect against cyber threats?

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter14: System Administration
Section: Chapter Questions
Problem 12RQ
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What is the purpose of a firewall in network security, and how does it function to protect against cyber threats?

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