CCSA:
Controlling Network Traffic Managing firewalls and monitoring network traffic is the key role of a network Security Administrator. The firewall, or the Security Gateway with a firewall enabled, denies or permits traffic based on rules defined in the Security Policy. The following technologies are used to deny or permit network traffic:
• PacketFiltering
• Stateful Inspection
• ApplicationLayerFirewall
It's kind of a confusing question, I would have said threat prevention technically denies or permits network traffic too. For example the IPS blade can inspect network traffic and prevent it if is matches a protection. Anti-virus blade denies traffic if it matches a malicious signature.
TP blades do not allow traffic. If there is a match, they always prevent. the only other option is that the traffic does not match the protection and in that case the traffic was not allowed nor ignored, just not matched.
Answer should be B Packet Filtering, Stateful Inspection, and Application Layer Firewall
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