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  • Certified Ethical Hacker (CEHv9) Questions and answers

    13. Which of the following types of firewalls ensures that the packets are part of the established session?

    A. Switch-level firewall

    B. Circuit-level firewall

    C. Stateful inspection firewall

    D. Application-level firewall

    14. Which of the following statements is TRUE?

    A. Sniffers operate on both Layer 2 & Layer 3 of the 051 model.

    B. Sniffers operate on the Layer 1 of the OSI model.

    C. Sniffers operate on Layer 2 of the OSI model. (data link layer)

    D. Sniffers operate on Layer 3 of the OSI model.

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