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156-585Updated 8d ago · Aug 28, 2026

156-585: Check Point Certified Troubleshooting Expert

75 questions across 1 topics, with suggested answers, explanations where available, and imported community discussion. The first 7 questions are free to preview.

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1Advanced Troubleshooting Techniques757

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Question 1 · Advanced Troubleshooting Techniques Open

What are some measures you can take to prevent IPS false positives?

Answer: D Packet captures allow IPS events to be validated and tuned against the actual traffic. Keeping the IPS database current incorporates updated detection content, and backing up custom IPS files preserves local tuning intended to avoid recurring false-positive behavior. **Learn more:** [Check Point Security Master Study Guide – R80](https://community.checkpoint.com/fyrhh23835/attachments/fyrhh23835/training-and-certification/781/1/R80-CCSMStudyGuide.pdf)
Question 2 · Site-to-Site VPN Troubleshooting Open

VPN issues may result from misconfiguration, communication failure, or incompatible default configurations between peers. Which basic command syntax needs to be used for troubleshooting Site-to-Site VPN issues?

Answer: A The `vpn debug truncon` syntax is a valid Check Point VPN debug command. The `truncon` parameter starts VPN daemon debugging and prepares the debug logs, making it appropriate for troubleshooting Site-to-Site VPN connectivity and negotiation issues. **Learn more:** [Check Point R81.20 Site-to-Site VPN Administration Guide — vpn debug](https://sc1.checkpoint.com/documents/R81.20/WebAdminGuides/EN/CP_R81.20_SitetoSiteVPN_AdminGuide/Content/Topics-VPNSG/CLI/vpn-debug.htm)
Question 3 · Advanced Kernel Debugging Open

What are the maximum kernel debug buffer sizes, depending on the version?

Answer: C Check Point supports a maximum kernel debug buffer of 4 MB in releases before R80.20 and 8 MB in R80.20 and later. The R80.20 documentation specifies a maximum supported buffer size of 8,192 KB. **Learn more:** [Check Point R80.20 Kernel Debug on Security Gateway](https://sc1.checkpoint.com/documents/R80.20_GA/WebAdminGuides/EN/CP_R80.20_QoS_AdminGuide/202665.htm)