212-82: Certified Cybersecurity TechnicianDemo

By ECCouncil · Question Mode

QuestionQ27

Network Security Controls

Malachi, a security professional, implemented a firewall in his organization to trace inbound and outbound traffic. He deployed a firewall that operates at the session layer of the OSI model and monitors the TCP handshake between hosts to determine whether a requested session is legitimate.

Identify the firewall technology Malachi implemented in this scenario.

  • A Next generation firewall (NGFW)
  • B Circuit-level gateways
  • C Network address translation (NAT)
  • D Packet filtering
Explanation

Circuit-level gateways operate at the OSI session layer and validate connection requests before a session is established. They track connection state and use TCP session establishment information to determine whether to permit the connection.

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