300-710 SNCF Management And Troubleshooting Practice Question
An administrator notices that health monitors on the FMC show a critical warning for high disk utilization on the /var partition of an FTD device. What is the safest and most standard method to resolve disk space exhaustion caused by accumulated core files and rotated logs on FTD?
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
✓
Use the FTD CLI command 'system support clean-core' and delete old rotated log files.
The command 'system support purge log' or clearing rotated logs and core files via expert mode is used, but specifically, FMC allows administrators to manage and delete core files and rotated logs safely through the FTD CLI or FMC device management settings.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Delete files directly in the /mnt/disk0/ directory using rm -rf without checking dependencies.
Why it's wrong here
Deleting arbitrary files can corrupt the FTD file system and cause severe system instability.
- ✗
Re-image the FTD device using a bootable USB drive.
Why it's wrong here
Re-imaging is drastic and unnecessary for log or core file disk exhaustion.
- ✗
Run 'system support reset-all' from the FTD CLI.
Why it's wrong here
This resets the FTD configuration to factory defaults, which is not appropriate for clearing disk space.
- ✓
Use the FTD CLI command 'system support clean-core' and delete old rotated log files.
Why this is correct
Clearing core files and old logs safely frees space on the /var partition without affecting active configurations.
Visual reference
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Cisco exam blueprint
This 300-710 SNCF practice question is part of Courseiva's free Cisco 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 300-710 SNCF exam.