156-315.81.20 Threat Prevention and SandBlast Practice Question
A Check Point R81 gateway is configured with Threat Emulation. An administrator notices that a suspicious executable file downloaded via HTTP was not emulated. The log shows the action as 'Bypassed'. Which of the following is the most likely reason for this bypass?
⚠ Common exam trap
The trap here is assuming that a bypass means the file is safe or that the blade is malfunctioning, when it often indicates a technical limitation like file size.
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
✓
The file size exceeded the maximum emulation limit configured on the gateway.
The most likely reason for a bypass is that the file size exceeded the configured emulation limit. Threat Emulation has a maximum file size setting, and files larger than this are not emulated to prevent resource exhaustion. This results in a 'Bypassed' action in the logs, which matches the administrator's observation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The file size exceeded the maximum emulation limit configured on the gateway.
Why this is correct
Threat Emulation has a configurable maximum file size for emulation. Files larger than this limit are bypassed to avoid performance impact. In this scenario, the executable likely exceeded the limit, causing the bypass. This is a common reason for bypass actions and aligns with the log entry.
- ✗
The Threat Emulation blade was disabled on the gateway.
Why it's wrong here
If the blade were disabled, the log would not show a 'Bypassed' action; it would show no inspection at all. A bypass indicates the blade is active but chose not to emulate. Thus, this option is incorrect.
- ✗
The file was downloaded from a trusted internal server.
Why it's wrong here
Trusted internal servers might be excluded from emulation via policy, but that would typically result in an 'Allowed' or 'Accepted' action, not 'Bypassed'. Bypass specifically indicates the file was not emulated due to technical constraints, not trust.
- ✗
The file hash was not found in the ThreatCloud database.
Why it's wrong here
If the hash is not found, Threat Emulation would still emulate the file unless another condition prevents it. A missing hash does not cause a bypass; it triggers emulation. Therefore, this is not the likely reason for the bypass in this scenario.
About these practice questions
This 156-315.81.20 question is part of Courseiva's 210-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
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
This 156-315.81.20 practice question is part of Courseiva's free Check Point certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 156-315.81.20 exam.