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Palo Alto Networks Exam PCSFE Topic 5 Question 36 Discussion

Actual exam question for Palo Alto Networks's PCSFE exam
Question #: 36
Topic #: 5
[All PCSFE Questions]

What helps avoid split brain in active-passive high availability (HA) pair deployment?

Show Suggested Answer Hide Answer
Suggested Answer: B, C

The two requirements for automating service deployment of a VM-Series firewall from an NSX Manager are:

Panorama has been configured to recognize both the NSX Manager and vCenter.

The deployed VM-Series firewall can establish communications with Panorama.

NSX Manager is a software component that provides centralized management and control of the NSX environment, including network virtualization, automation, and security. Service deployment is a process that involves deploying and configuring network services, such as firewalls, load balancers, or routers, on the NSX environment. VM-Series firewall is a virtualized version of the Palo Alto Networks next-generation firewall that can be deployed on various cloud or virtualization platforms, including NSX. Panorama is a centralized management server that provides visibility and control over multiple Palo Alto Networks firewalls and devices. Panorama has been configured to recognize both the NSX Manager and vCenter is a requirement for automating service deployment of a VM-Series firewall from an NSX Manager. vCenter is a software component that provides centralized management and control of the VMware environment, including hypervisors, virtual machines, and other resources. Panorama has been configured to recognize both the NSX Manager and vCenter by adding them as VMware service managers and enabling service insertion for VM-Series firewalls on NSX. This allows Panorama to communicate with the NSX Manager and vCenter, retrieve information about the NSX environment, and deploy and manage VM-Series firewalls as network services on the NSX environment. The deployed VM-Series firewall can establish communications with Panorama is a requirement for automating service deployment of a VM-Series firewall from an NSX Manager. The deployed VM-Series firewall can establish communications with Panorama by registering with Panorama using its serial number or IP address, and receiving configuration updates and policy rules from Panorama. This allows the VM-Series firewall to operate as part of the Panorama management domain, synchronize its settings and status with Panorama, and report its logs and statistics to Panorama. vCenter has been given Palo Alto Networks subscription licenses for VM-Series firewalls and Panorama can establish communications to the public Palo Alto Networks update servers are not requirements for automating service deployment of a VM-Series firewall from an NSX Manager, as those are not related or relevant factors for service deployment automation. Reference: [Palo Alto Networks Certified Software Firewall Engineer (PCSFE)], [Deploy the VM-Series Firewall on VMware NSX-T], [Panorama Overview], [VMware Service Manager], [Register the Firewall with Panorama]


Contribute your Thoughts:

Soledad
24 days ago
I'd go with option E: Tie the firewalls together with a giant rubber band. That way, when one tries to go active, the other gets yanked back into passive mode. Problem solved!
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Melvin
30 days ago
B is the obvious choice. Enabling preemption is like giving your firewalls a friendly boxing match to determine the champion. Split-brain averted!
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Raylene
22 days ago
User 1: I agree, enabling preemption is key to avoiding split brain.
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Nobuko
1 months ago
D all the way! Having a dedicated HA3 link is the way to go. Who needs standard traffic interfaces when you can have a special HA superhighway?
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Albert
2 months ago
I'm leaning towards C. Using the management interface as the HA1 backup link seems like a good way to keep the critical data traffic separate from the HA process.
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Elenor
15 days ago
I agree, having a separate link for critical data traffic is important.
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Dalene
17 days ago
User 3: What about enabling preemption on both firewalls in the HA pair?
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Farrah
21 days ago
I think C is a good choice too. It helps keep things organized.
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Rebbeca
22 days ago
User 2: I agree, it helps keep critical data traffic separate from the HA process.
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Alton
1 months ago
User 1: I think using the management interface as the HA1 backup link is a good idea.
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Leonardo
2 months ago
I think B is the correct answer. Enabling preemption on both firewalls helps avoid split-brain issues by ensuring that only one device is active at a time.
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Tuyet
2 months ago
I believe enabling preemption on both firewalls is also important to prevent split brain situations.
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Sanjuana
2 months ago
I agree with Isabelle, having a backup link is crucial for avoiding split brain in HA deployment.
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Isabelle
2 months ago
I think using a standard traffic interface as the HA2 backup helps avoid split brain.
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