CCSM Advanced VPN Troubleshooting Practice Question
Exhibit
vpn debug ikeon vpn debug on TDERROR_ALL_ALL=5
Refer to the exhibit. Why would an administrator use these two commands together?
⚠ Common exam trap
Candidates often struggle to differentiate between Phase 1 and Phase 2 issues, incorrectly believing that a single log file provides enough context for both authentication and encryption failures.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
To capture both IKE negotiation and internal VPN encryption process errors.
These commands enable high-verbosity debugging for both IKE and internal VPN processes. Using them together is necessary for complex issues where the failure might occur during Phase 1 negotiation, Phase 2 SA setup, or during the subsequent data encryption phase. This comprehensive visibility is essential for identifying subtle bugs or configuration mismatches that are not logged in standard system logs.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
To improve the performance of the VPN gateway during peak traffic.
Why it's wrong here
Enabling these debug commands significantly increases CPU load and log output, which will degrade performance rather than improve it. Debugging should only be used during active troubleshooting and must be disabled immediately after the required information is gathered to avoid impacting production traffic.
- ✓
To capture both IKE negotiation and internal VPN encryption process errors.
Why this is correct
Combining IKE debugging and internal process tracing provides a full picture of the VPN life cycle. This allows the administrator to see if a failure is an IKE negotiation issue or an internal kernel-level encryption problem, which is often required for deep-dive root cause analysis.
- ✗
To force the gateway to use more secure AES-GCM algorithms.
Why it's wrong here
Debugging commands only change the logging level of the system. They do not alter the gateway's security configuration or the algorithms it uses for encryption. Changing encryption algorithms must be done through the VPN Community configuration in the SmartConsole management interface.
- ✗
To monitor the health of the Management Server's database.
Why it's wrong here
These commands are specific to the VPN subsystem on the Security Gateway. They do not monitor the Management Server database or provide any information regarding the health of policy management, making them entirely irrelevant for database-related administrative tasks.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Check Point exam blueprint
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