NETWORK SECURITY
FIREWALLS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Right
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Wrong
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Either A or B
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None of the above
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Detailed explanation-1: -A firewall is a security device that protects your network from unauthorized access to private data. Firewalls also secure computers from malicious software, creating a barrier between secured internal networks and untrusted outside networks.
Detailed explanation-2: -Which of the following is a type of packet filtering used by firewalls that retains memory of the packets that pass through the firewall? Stateful packet inspection. A firewall running stateful packet inspection is normally not vulnerable to IP spoofing attacks because it examines the header in each packet.
Detailed explanation-3: -Virtual firewalls The firewall is situated between the VMs and the hypervisor that provides the virtualization layer and inspects traffic at the network layer to determine whether to allow or block packets based on a set of predefined rules.