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Palo Alto Networks NGFW-Engineer Exam - Topic 1 Question 19 Discussion

Posted by Tatum on Apr 09, 2026 at 08:13 PM

Which configuration in the LACP tab will enable pre-negotiation for an Aggregate Ethernet (AE) interface on a Palo Alto Networks high availability (HA) active/passive pair?

Suggested Answer: C

In a High Availability (HA) active/passive pair configuration, when setting up an Aggregate Ethernet (AE) interface, enabling the 'Enable in HA Passive State' option allows the interface to participate in LACP (Link Aggregation Control Protocol) even when the system is in the passive state. This ensures that the pre-negotiation of the LACP link occurs, allowing the link aggregation to be ready as soon as the firewall becomes active.


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21 comments · newest first
MI
Michel 1 month ago
D could work, but I feel C is more specific for this scenario.
JA
Jaime 1 month ago
C definitely aligns with HA requirements.
FR
Francoise 2 months ago
B sounds too passive for my taste.
MA
Magnolia 2 months ago
A is interesting, but I don’t see how it relates to pre-negotiation.
GR
Gracia 2 months ago
I’m leaning towards D. Active mode seems crucial.
JU
Juliana 2 months ago
I think C is the right choice. It makes sense for HA.
VA
Valentine 2 months ago
D could work too, but C feels more reliable in HA.
DE
Denise 2 months ago
C is definitely the best choice for stability.
MA
Mary 3 months ago
But if it's passive, wouldn't B be better?
PA
Paulina 3 months ago
I'm leaning towards D. Active mode is crucial.
FE
Felicitas 3 months ago
I agree, C seems right. Pre-negotiation is key.
HE
Herman 3 months ago
I think it's C. It makes sense for HA.
KA
Kattie 3 months ago
I’m not sure about that, isn’t it more complicated?
MA
Malcom 3 months ago
Definitely C! It’s the only way to go.
LO
Lore 4 months ago
Wait, can you really enable in HA Passive State?
DA
Dalene 5 months ago
I thought it was D, but C makes sense too.
DE
Deangelo 5 months ago
C is the right choice for pre-negotiation.
TA
Tasia 6 months ago
I’m leaning towards A, "Set Transmission Rate to 'fast,'" but I could be mixing it up with another topic we covered.
DO
Dorethea 6 months ago
I feel like I've seen a similar question before, and it was about setting the link state. Maybe B is the right choice?
KE
Kenneth 6 months ago
I'm not entirely sure, but I remember something about LACP modes. Could it be D, "Set LACP mode to 'Active'"?
WE
Wenona 6 months ago
I think the answer might be C, "Enable in HA Passive State," since it sounds like it relates directly to HA configurations.
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