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Palo Alto Networks NetSec-Pro Exam - Topic 5 Question 23 Discussion

A primary firewall in a high availability (HA) pair is experiencing a current failover issue with ICMP pings to a secondary device. Which metric should be reviewed for proper ICMP pings between the firewall pair?
C) Heartbeat polling
A) Link monitoring
B) Non-functional state
D) Bidirectional Forwarding Detection (BFD)

Palo Alto Networks NetSec-Pro Exam - Topic 5 Question 23 Discussion

Actual exam question for Palo Alto Networks's NetSec-Pro exam
Question #: 23
Topic #: 5
[All NetSec-Pro Questions]

A primary firewall in a high availability (HA) pair is experiencing a current failover issue with ICMP pings to a secondary device. Which metric should be reviewed for proper ICMP pings between the firewall pair?

Show Suggested Answer Hide Answer
Suggested Answer: C

Heartbeat polling is a core HA function to monitor connectivity between HA peers, leveraging ICMP pings to determine link health and availability.

''Heartbeat Polling uses ICMP pings to verify the connectivity and health of the HA peers. If heartbeat polling fails, the firewall considers the peer to be down and may initiate failover.''

(Source: HA Link and Path Monitoring)

If ICMP pings fail, checking heartbeat polling logs helps identify if link or path monitoring triggers the failover.


by Tiara at Sep 28, 2026, 03:34 AM

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