300-710 SNCF Deployment Practice Question
An administrator is configuring an inline interface pair on a Cisco Secure Firewall Threat Defense device using Cisco FMC. The business requires that if the firewall experiences a power failure or kernel panic, traffic must continue to flow uninterrupted through the network segment. Which action should the administrator take?
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
✓
Configure the inline set with the 'Fail Open' setting and ensure hardware bypass is supported and enabled on the network module.
Hardware bypass capability (fail-open) on supported Network Interface Modules (NIMs/SMs) allows physical optical or copper paths to bridge automatically when power is lost or the Snort engine crashes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Set up a redundant EtherChannel with LACP fast-rate timers.
Why it's wrong here
LACP is for link aggregation and redundancy, not direct physical inline hardware bypass.
- ✗
Deploy the interfaces in a Bridge Virtual Interface (BVI) group with spanning tree disabled.
Why it's wrong here
BVI is a logical construct for transparent mode and does not guarantee hardware bypass on physical failure.
- ✗
Configure the inline set with the 'Fail Close' setting and enable STP root guard.
Why it's wrong here
Fail close drops traffic on failure, which is the opposite of uninterrupted flow.
- ✓
Configure the inline set with the 'Fail Open' setting and ensure hardware bypass is supported and enabled on the network module.
Why this is correct
Fail Open configuration ensures that if the hardware fails or loses power, the bypass capability physically connects the ports together to keep traffic flowing.
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.