350-701 Network Security Practice Question
In Cisco Firepower, a file policy is configured with a rule that detects malware. The action is set to 'Malware Cloud Lookup'. What happens if the SHA-256 hash of a file is unknown to the AMP cloud?
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 is allowed and a retrospective alert is generated if later found malicious.
When the hash is unknown, the file may be submitted for static or dynamic analysis depending on the disposition. If the hash is unknown, the file may be allowed or blocked based on additional configuration; typically it is allowed pending analysis.
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 is blocked immediately.
Why it's wrong here
Unknown hash does not automatically block; it may be allowed or sent for analysis.
- ✗
The file is quarantined until the cloud responds.
Why it's wrong here
Unknown files are not quarantined; they are allowed.
- ✓
The file is allowed and a retrospective alert is generated if later found malicious.
Why this is correct
Correct. Unknown files are typically allowed but later may be flagged.
- ✗
The file is sent for dynamic analysis in a sandbox.
Why it's wrong here
Dynamic analysis is a separate action, not part of 'Malware Cloud Lookup'.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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