EC-Council
312-50V9 · Question #248
312-50V9 Question #248: Real Exam Question with Answer & Explanation
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Question
What does a firewall check to prevent particular ports and applications from getting packets into an organization?
Options
- ATransport layer port numbers and application layer headers
- BPresentation layer headers and the session layer port numbers
- CNetwork layer headers and the session layer port numbers
- DApplication layer port numbers and the transport layer headers
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