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Exam NGFW-Engineer Topic 2 Question 34 Discussion
Actual exam question for Palo Alto Networks's NGFW-Engineer exam
Question #: 34
Topic #: 2
Question #: 34
Topic #: 2
A network security engineer at a 24/7 online retailer is upgrading an active/passive high availability (HA) cluster of PAN-OS firewalls. The primary goal is to perform the upgrade with no service interruption to online transactions. The engineer has already downloaded the new software to both devices.
Which sequence of actions will meet this requirement?
Which sequence of actions will meet this requirement?
Suggested Answer: C Vote an answer
Basic Concept: For active/passive HA upgrades, the safest method is to upgrade the passive firewall first, fail over to it, then upgrade the remaining peer. This preserves forwarding during most of the process.
Why C is Correct: The selected sequence keeps one firewall forwarding traffic at all times and avoids simultaneous reboots.
Why A is Wrong: From Panorama, create a scheduled software update job targeting both firewalls in the HA pair to run at the same time, then rely on the HA election process to manage the failover automatically. is an HA-related setting or behavior, but it is not the specific HA link, LACP pre-negotiation option, or upgrade sequence required here.
Why B is Wrong: Upgrade the passive firewall first while it is still in the passive state. Once it reboots and is operational, suspend the active firewall to fail over to the newly upgraded device. Then, upgrade the remaining firewall. is an HA-related setting or behavior, but it is not the specific HA link, LACP pre- negotiation option, or upgrade sequence required here.
Why D is Wrong: Disable HA synchronization on the active firewall, upgrade the passive firewall, and then re-enable synchronization. Once synchronized, repeat the process on the other firewall. is an HA-related setting or behavior, but it is not the specific HA link, LACP pre-negotiation option, or upgrade sequence required here.
Why C is Correct: The selected sequence keeps one firewall forwarding traffic at all times and avoids simultaneous reboots.
Why A is Wrong: From Panorama, create a scheduled software update job targeting both firewalls in the HA pair to run at the same time, then rely on the HA election process to manage the failover automatically. is an HA-related setting or behavior, but it is not the specific HA link, LACP pre-negotiation option, or upgrade sequence required here.
Why B is Wrong: Upgrade the passive firewall first while it is still in the passive state. Once it reboots and is operational, suspend the active firewall to fail over to the newly upgraded device. Then, upgrade the remaining firewall. is an HA-related setting or behavior, but it is not the specific HA link, LACP pre- negotiation option, or upgrade sequence required here.
Why D is Wrong: Disable HA synchronization on the active firewall, upgrade the passive firewall, and then re-enable synchronization. Once synchronized, repeat the process on the other firewall. is an HA-related setting or behavior, but it is not the specific HA link, LACP pre-negotiation option, or upgrade sequence required here.
by Poppy at Jun 02, 2026, 11:21 PM
Here are all the actual test exam dumps for IT exams. Most people prepare for the actual exams with our test dumps to pass their exams. So it's critical to choose and actual test pdf to succeed.
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