Posted by: Pdfprep
Post Date: December 7, 2020
As a normal three-way handshake mechanism system A sends an ACK packet to system B.
However, system A does not send an ACK packet to system B. In this case, client B is waiting for an ACK packet from client A.
What is the status of client B?
A. “Half-open”
B. “Filtered”
C. “Half-closed”
D. “Full-open”
Answer: A
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