One of your remote Security Gateways suddenly stops sending logs, and you cannot install the Security Policy on the Gateway. All other remote Security Gateways are logging normally to the Security…

Yusuf A.Nov 24, 2025

The answer is D, there is no connection between the Security Management Server and the remote Gateway. The biggest clue here is that every other gateway is logging fine and accepting policy, which rules out anything wrong with the ICA or the SMS itself because those issues would knock out all your gateways at once, not just one. My senior told me to always ask "is this affecting one gateway or all of them?" first, and if it is only one, your first suspect is a network path problem between the SMS and that specific gateway. When the Test SIC button throws an error, it is literally telling you the SMS cannot even reach the gateway to check the certificate handshake, so the SIC conversation never gets started at all. Fix the routing or firewall rule blocking that connection and your logs and policy installs will come right back.

Toby R.Dec 6, 2025

I went straight to A on this one because the question mentions SIC and my brain immediately jumped to certificate issues, and a gateway IP change felt like something that would break trust. What pulled me back was re-reading that every other gateway was totally fine, logs and policy both working, which ruled out anything touching the ICA or the SMS clock since those would tank all your gateways at once. The SIC test error just confirms the SMS cannot reach that specific box, it is not saying the certificate is invalid, it is saying there is no handshake happening at all because the connection is dead. D is the only answer that explains a single gateway going dark while everything else runs normally, and on the real exam that isolation clue is the thing you have to catch first.

Ola B.Nov 30, 2025

The key here is the scope of the problem. Only one gateway is affected, and the SIC test button is erroring out, which means the Management Server cannot even reach that gateway to attempt a certificate handshake. If it were a certificate issue like a changed IP invalidating the cert or the ICA being removed, you would likely see SIC failures across multiple gateways or at minimum a different kind of error message referencing the certificate itself rather than a hard connection failure. SIC troubleshooting always starts at layer one of the problem, and a failed Test SIC status that affects only one remote site almost always points to a firewall rule, a routing issue, or a dead link between the two endpoints on TCP port 18191. I hit this exact scenario on my exam sitting and almost talked myself into A because the question mentions the gateway stopped sending logs and I started thinking about certificate invalidation. What snapped me back was remembering a lab I had built where I deliberately blocked port 18191 on an intermediate device, and the symptom was identical, logs gone, policy push failed, Test SIC errored. Once I recalled that lab experience D was obvious. Spin up a lab, block that port between your management server and one gateway, and watch what happens. You will never second-guess this question again.