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NGFW-Engineer Practice Questions

Palo Alto Networks Next-Generation Firewall Engineer

Last Update 3 days ago
Total Questions : 125

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Question # 21

To comply with new directives mandating the use of quantum-resistant cryptography for all data-in-transit a network engineer is tasked with reconfiguring existing IKEv2 VPN tunnels between PA-Series firewalls to meet this requirement.

Which two actions should the engineer take to ensure compliance? (Choose two.)

Options:

A.  

Configure an IKE Crypto profile with one or more post-quantum rounds selected and apply it to an IKE Gateway configured for the post-quantum key exchange mechanism.

B.  

Establish a shared secret of at least 64 characters and configure it as a post-quantum pre-shared key (PPK) within an IKEv2-only IKE Gateway.

C.  

Generate a post-quantum pre-shared key (PPK) and apply it within the IPSec tunnel configuration's advanced settings.

D.  

Enable GlobalProtect with quantum-resistant tunneling and apply the profile to the IKE Gateway.

Discussion 0
Question # 22

An engineer at a managed services provider is updating an application that allows its customers to request firewall changes to also manage SD-WAN. The application will be able to make any approved changes directly to devices via API.

What is a requirement for the application to create SD-WAN interfaces?

Options:

A.  

REST API’s “sdwanInterfaceprofiles” parameter on a Panorama device

B.  

REST API’s “sdwanInterfaces” parameter on a firewall device

C.  

XML API’s “sdwanprofiles/interfaces” parameter on a Panorama device

D.  

XML API’s “InterfaceProfiles/sdwan” parameter on a firewall device

Discussion 0
Question # 23

Which zone type allows traffic between zones in different virtual systems (VSYS), without the traffic leaving the firewall?

Options:

A.  

Isolated

B.  

Transient

C.  

External

D.  

Internal

Discussion 0
Question # 24

What is the correct sequence of evaluation for Security policy rulebases?

Options:

A.  

Panorama Pre-Rules -- > Local Firewall Rules -- > Panorama Post-Rules

B.  

Panorama Post-Rules -- > Panorama Pre-Rules -- > Local Firewall Rules

C.  

Panorama Shared Rules -- > Local Firewall Rules -- > Device Group Rules

D.  

Local Firewall Rules -- > Panorama Pre-Rules -- > Panorama Post-Rules

Discussion 0
Question # 25

A network security engineer is reviewing the dynamic update settings for a fleet of firewalls in a financial institution that has a policy prioritizing operational stability above all else. The engineer notes that the current content update threshold is set to 24 hours.

Following the Palo Alto Networks recommended best practices for mission-critical deployments, which adjustment should be made to the threshold?

Options:

A.  

Change to "download only" and schedule manual installation.

B.  

Increase to 48 hours.

C.  

Decrease to 12 hours.

D.  

Reset to reconfirm 24 hours.

Discussion 0
Question # 26

A firewall administrator needs to configure a new Palo Alto Networks firewall so that its management interface automatically obtains an IP address, netmask, and default gateway from the network.

Which command should be executed in the CLI to accomplish this goal?

Options:

A.  

set deviceconfig system interface mgt mode dhcp

B.  

set network interface management dhcp enable

C.  

set deviceconfig system type dhcp-client

D.  

configure system management-interface ip dynamic

Discussion 0
Question # 27

A network architect is planning the deployment of a new IPSec VPN tunnel to connect a local data center to a cloud environment. The plan must include all necessary Security policy configurations for both tunnel negotiation and data transit.

Which two Security policy requirements must be included in the implementation plan? (Choose two answers)

Options:

A.  

The default interzone-default security policy is sufficient to allow the tunnel negotiation traffic between the firewall and the remote peer.

B.  

A pair of policies is required to control the flow of data traffic into and out of the security zone assigned to the tunnel interface.

C.  

A policy must explicitly permit only the IKE application between the external-facing zone and local zone.

D.  

A policy must explicitly permit the IPSec container application between the external-facing zone and local zone.

Discussion 0
Question # 28

A large enterprise wants to implement certificate-based authentication for both users and devices, using an on-premises Microsoft Active Directory Certificate Services (AD CS) hierarchy as the primary certificate authority (CA). The enterprise also requires Online Certificate Status Protocol (OCSP) checks to ensure efficient revocation status updates and reduce the overhead on its NGFWs. The environment includes multiple Active Directory forests, Panorama management for several geographically dispersed firewalls, GlobalProtect portals and gateways needing distinct certificate profiles for users and devices, and strict Security policies demanding frequent revocation checks with minimal latency.

Which approach best addresses these requirements while maintaining consistent policy enforcement?

Options:

A.  

Deploy self-signed certificates at each site to simplify local certificate validation and reduce dependencies on a centralized CTurn off certificate revocation checks for lower overhead, rely on IP-based rules for GlobalProtect authentication, and use a single certificate profile for both users and devices.

B.  

Distribute the root and intermediate CA certificates via Panorama as shared objects to ensure all firewalls have a consistent trust chain. Configure OCSP responder profiles on each firewall to offload revocation checks to an internal OCSP server while keeping CRL checks as a fallback. Maintain separate certificate profiles for user and device authentication and use an automated enrollment method – such as Group Policy or SCEP – to deploy ce

C.  

Configure each firewall independently to trust the root and intermediate CA certificates. Rely only on manual CRL checks for certificate revocation, and import both user and device certificates directly into each firewall’s local certificate store for authentication.

D.  

Obtain wildcard certificates from a public CA for both user and device authentication, and configure firewalls to perform CRL polling at the default update interval. Manually install user certificates on endpoints and synchronize firewall certificate stores through frequent manual SSH updates to maintain consistency.

Discussion 0
Question # 29

A Palo Alto Networks firewall has the following interfaces configured:

• ethernet1/1 (Layer 3)

• ethernet1/2 (TAP)

• ethernet1/3 (Layer 2)

• ethernet1/4 (virtual wire)

An administrator needs to create a link group to monitor upstream connectivity for high availability (HA) failover.

Which set of interfaces can be added to the link group?

Options:

A.  

ethernet1/1, ethernet1/2, ethernet1/4

B.  

ethernet1/1, ethernet1/2, ethernet1/3

C.  

ethernet1/2, ethernet1/3, ethernet1/4

D.  

ethernet1/1, ethernet1/3, ethernet1/4

Discussion 0
Question # 30

When deploying a pair of Palo Alto Networks firewalls in an active/active high availability (HA) cluster what is the dedicated role of the HA3 link?

Options:

A.  

Control plane synchronization for heartbeats and state information

B.  

Packet forwarding for session setup and asymmetric traffic

C.  

Management plane synchronization for configurations and policies

D.  

Data plane synchronization for session tables and forwarding tables

Discussion 0
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