B is the answer
Explanation: 18209 SIC (Secure Internal Communications) protocol uses this port for all SIC conversations between the Management server and the firewall modules managed by it.
I’m pretty certain that D IS the correct answer as the question asks about which port is used for SIC communication, and that port is CPD and 18191.
I cannot see how B would be the correct answer, port 18209 is part of the CPCA service.
Administrator please change correct Answer for letter B
Reference: Official Material
The tool communicates with gateways and cluster members over SIC via TCP port 18209.
[Education Services]
D looks a right a ans as CPD manages the SIC
https://community.checkpoint.com/t5/Security-Gateways/R81-x-Ports-Used-for-Communication-by-Various-Check-Point/td-p/38153
The CDT is a utility that runs on Gaia operating system Security Management Servers and
Multi-Domain Servers using software versions R77.30 and higher. The tool communicates
with gateways and cluster members over SIC via TCP port 18209.
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