ISC Infrastructure And System Security Practice Question
When configuring Cisco ASA firewalls for high availability, which protocol is used to maintain state information between the primary and standby units?
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
✓
Stateful Failover (Failover Link)
The Cisco Failover Link is used to synchronize the state table, session information, and configuration between the active and standby units.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Stateful Failover (Failover Link)
Why this is correct
The failover link specifically synchronizes firewall connection state tables.
- ✗
HSRP
Why it's wrong here
HSRP is a gateway redundancy protocol, not a firewall state sync protocol.
- ✗
OSPF
Why it's wrong here
OSPF is a dynamic routing protocol and does not synchronize firewall state tables.
- ✗
VRRP
Why it's wrong here
VRRP is a generic gateway redundancy protocol.
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 (ISC)² exam blueprint
This ISC practice question is part of Courseiva's free (ISC)² 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 ISC exam.