NETWORK SECURITY
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is a firewall?
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A wall that is on fire
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What protects apps when a virus comes
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Helps prevent unauthorised access
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A protective app
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Explanation:
Detailed explanation-1: -A firewall is a network security device that prevents unauthorized access to a network. It inspects incoming and outgoing traffic using a set of security rules to identify and block threats. A firewall can be physical hardware, digital software, software as a service (SaaS) or a virtual private cloud.
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