156-315.81.20 Performance Tuning (SecureXL/CoreXL) Practice Question
An administrator is troubleshooting a performance issue and identifies that packet drops are occurring in the SecureXL layer. Which command should they use to troubleshoot packet drops specifically related to the acceleration layer?
⚠ Common exam trap
Test-takers frequently confuse general SecureXL status commands with drop-specific flags, incorrectly choosing basic throughput commands when asked specifically about packet drops.
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
✓
fwaccel stats -d
The 'fwaccel stats -d' command provides detailed statistics about packets that were dropped by the SecureXL module. Identifying why packets are dropped at the acceleration layer is crucial for performance tuning. These drops often indicate policy mismatches, fragmented packets, or unsupported features. By pinpointing these drops, administrators can adjust their security policies or acceleration templates to allow traffic to pass through the fast path instead of being blocked.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
fw ctl debug
Why it's wrong here
fw ctl debug is used for kernel-level packet tracing. While useful, it generates massive amounts of data that are generally too granular for identifying SecureXL-specific drop causes. It is intended for deep-dive packet inspection rather than the high-level performance metrics provided by specific acceleration statistical commands.
- ✓
fwaccel stats -d
Why this is correct
The '-d' flag in the 'fwaccel stats' command specifically targets the drop statistics of the acceleration engine. It allows administrators to isolate and identify why SecureXL is refusing to process certain packets, which is the most efficient way to diagnose performance and connectivity issues.
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cpstat fw -p
Why it's wrong here
cpstat is a general-purpose status utility for Check Point software blades. While it can show performance indicators, it is not optimized for viewing low-level SecureXL drop counters and lacks the specific acceleration-layer diagnostic output required to identify why traffic is being dropped at the kernel interface.
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netstat -s
Why it's wrong here
netstat is a general Linux utility for monitoring network stack statistics. It provides information about TCP/IP stack behavior but is completely unaware of the Check Point-specific SecureXL kernel acceleration module, making it useless for debugging issues occurring within the proprietary acceleration path of the gateway.
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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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