FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A FIREWALL IN NETWORK SECURITY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A router blocks a packet that is traversing the network because it does not follow a rule on its access control list. This is an example of which type of firewall?

A	network-based
B	host-based
C	neither
D	both

Explanation:

Detailed explanation-1: -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.

Detailed explanation-2: -Firewall – meaning and definition This software or dedicated hardware-software unit functions by selectively blocking or allowing data packets. It is typically intended to help prevent malicious activity and to prevent anyone-inside or outside a private network-from engaging in unauthorized web activities.

Detailed explanation-3: -Networking ACLs are installed in routers or switches, where they act as traffic filters. Each networking ACL contains predefined rules that control which packets or routing updates are allowed or denied access to a network.

There is 1 question to complete.