350-701 Network Security Practice Question
An organization is deploying Cisco Firepower Threat Defense (FTD) in a high-availability (HA) pair in active/standby mode. Which statement about state synchronization is true?
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
✓
Connection states are synchronized from active to standby over the failover link.
In active/standby HA, the active unit replicates connection states to the standby unit so that if a failover occurs, the standby can take over without disrupting existing connections. Stateful failover requires synchronization of connection tables.
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 standby unit mirrors all traffic and builds its own connection table.
Why it's wrong here
Incorrect. Standby does not process traffic; it receives state updates.
- ✗
Both units process traffic simultaneously and share states via the control link.
Why it's wrong here
Incorrect. That describes active/active, not active/standby.
- ✓
Connection states are synchronized from active to standby over the failover link.
Why this is correct
Correct. Stateful failover replicates connection state information.
- ✗
Only configuration is synchronized; connection states are not replicated.
Why it's wrong here
Incorrect. Active/standby HA can replicate connection states for stateful failover.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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