Home » Isaca » CISA » Screening router inspects traffic through examining:
Screening router inspects traffic through examining:
A. message header.
B. virus payload
C. message content
D. attachment type
E. None of the choices.
Correct Answer: A
Explanation/Reference:
The simplest and almost cheapest type of firewall is a packet filter that stops messages with inappropriate network addresses. It usually consists of a screening router and a set of rules that accept or reject a message based on information in the message header.
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