DATA LINK LAYER WIRED NETWORKS
CONNECTING DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A software or hardware used to prevent unauthorized access to the network.
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Hub
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Firewall
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Modem
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Router
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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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