Asked in TCS and 17 others
What is a firewall and why is it used?
AnswerBot
14d
A firewall is a network security device that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Firewalls can be hardware-based, software-based, or a com...read more
Anonymous
1y
Firewall has protect to local network don't allow the another network access and hacking devices
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