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Palo Alto Networks NGFW-Engineer Exam Syllabus Topics:
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NEW QUESTION # 15
After an engineer configures an IPSec tunnel with a Cisco ASA, the Palo Alto Networks firewall generates system messages reporting the tunnel is failing to establish.
Which of the following actions will resolve this issue?
- A. Configure the Proxy IDs to match the Cisco ASA configuration.
- B. Ensure that an active static or dynamic route exists for the VPN peer with next hop as the tunnel interface.
- C. Validate the tunnel interface VLAN against the peer's configuration.
- D. Check that IPSec is enabled in the management profile on the external interface.
Answer: A
Explanation:
The Proxy IDs (or Traffic Selectors) define the local and remote subnets that are allowed to communicate over the IPSec tunnel. If the Proxy IDs on the Palo Alto Networks firewall do not match the configuration on the Cisco ASA, the tunnel will fail to establish because the firewalls won't agree on which traffic to encrypt. Ensuring that the Proxy IDs match between the Palo Alto Networks firewall and the Cisco ASA will resolve the issue.
NEW QUESTION # 16
Which PAN-OS method of mapping users to IP addresses is the most reliable?
- A. Port mapping
- B. GlobalProtect
- C. Syslog
- D. Server monitoring
Answer: D
Explanation:
Server monitoring is the most reliable method for mapping users to IP addresses in PAN-OS. This method allows the firewall to monitor specific servers, such as Microsoft Active Directory (AD) or LDAP servers, to dynamically retrieve and update user-to-IP mappings. It provides a more accurate and up-to-date mapping of users to their associated IP addresses, as it directly queries user databases in real time.
NEW QUESTION # 17
What is the purpose of assigning an Admin Role Profile to a user in a Palo Alto Networks NGFW?
- A. Enable multi-factor authentication (MFA) for administrator access.
- B. Allow access to all resources without restrictions.
- C. Restrict access to sensitive report data.
- D. Define granular permissions for management tasks.
Answer: D
Explanation:
Assigning an Admin Role Profile to a user in a Palo Alto Networks NGFW is used to define granular permissions for management tasks. This allows administrators to control what actions a user can perform on the firewall, such as configuration changes, monitoring, and logging. By assigning different admin roles, you can ensure that users have access only to the areas and tasks they need, enforcing the principle of least privilege.
NEW QUESTION # 18
An organization has configured GlobalProtect in a hybrid authentication model using both certificate-based authentication for the pre-logon stage and SAML-based multi-factor authentication (MFA) for user logon.
How does the GlobalProtect agent process the authentication flow on Windows endpoints?
- A. The GlobalProtect agent uses the machine certificate to establish a pre-logon tunnel; upon user sign-in, it prompts for SAML-based MFA credentials, ensuring both device and user identities are validated before granting full access.
- B. GlobalProtect requires the user to log in first for SAML-based MFA before establishing the pre-logon tunnel, rendering the pre-logon certificate authentication (CA) flow redundant.
- C. The GlobalProtect agent uses the machine certificate during pre-logon for initial tunnel establishment, and then seamlessly reuses the same machine certificate for user-based authentication without requiring MFA.
- D. Once the machine certificate is validated at pre-logon, the Windows endpoint completes MFA on behalf of the user by passing existing Windows Credential Provider details to the GlobalProtect gateway without prompting the user.
Answer: A
Explanation:
In a hybrid authentication model with both certificate-based authentication for pre-logon and SAML-based multi-factor authentication (MFA) for user logon, the GlobalProtect agent processes the flow as follows:
During the pre-logon stage, the agent uses the machine certificate to authenticate and establish the initial VPN tunnel.
Once the user logs in (after the machine is connected), the agent then triggers SAML-based MFA to ensure the user is authenticated with multi-factor authentication, validating both the device and the user identity before granting full access.
This method ensures that both the device and user are properly authenticated and validated in the hybrid authentication model.
NEW QUESTION # 19
What is a result of enabling split tunneling in the GlobalProtect portal configuration with the "Both Network Traffic and DNS" option?
- A. It allows users to access internal resources when connected locally and external resources when connected remotely using the same FQDN.
- B. It specifies which domains are resolved by the VPN-assigned DNS servers and which domains are resolved by the local DNS servers.
- C. lt allows devices on a local network to access blocked websites by changing which DNS server resolves certain domain names.
- D. It specifies when the secondary DNS server is used for resolution to allow access to specific domains that are not managed by the VPN.
Answer: B
Explanation:
When split tunneling is enabled with the "Both Network Traffic and DNS" option in the GlobalProtect portal configuration, it allows the firewall to control which traffic is sent over the VPN tunnel and which is not. Specifically, it determines which domains are resolved by the VPN-assigned DNS servers (for domains requiring VPN access) and which are resolved by local DNS servers (for domains that can be accessed without the VPN tunnel).
NEW QUESTION # 20
Which statement applies to the relationship between Panorama-pushed Security policy and local firewall Security policy?
- A. The order of policy evaluation can be configured differently in different device groups.
- B. When a policy match is found in a local firewall policy, if any Panorama shared post-rule is configured, it will still be evaluated.
- C. Panorama post-rules can be configured to be evaluated before local firewall policy for the purpose of troubleshooting.
- D. Local firewall rules are evaluated after Panorama pre-rules and before Panorama post-rules.
Answer: D
Explanation:
Local firewall rules are evaluated after Panorama pre-rules (those applied before the firewall's local policies) and before Panorama post-rules (those applied after the firewall's local policies). This ensures that the local firewall rules do not override the central Panorama policy and are only applied in the appropriate order within the policy evaluation sequence.
NEW QUESTION # 21
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?
- A. Set LACP mode to "Active."
- B. Set "Enable in HA Passive State."
- C. Set passive link state to "Auto."
- D. Set Transmission Rate to "fast."
Answer: B
Explanation:
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.
NEW QUESTION # 22
A multinational organization wants to use the Cloud Identity Engine (CIE) to aggregate identity data from multiple sources (on premises AD, Azure AD, Okta) while enforcing strict data isolation for different regional business units. Each region's firewalls, managed via Panorama, must only receive the user and group information relevant to that region. The organization aims to minimize administrative overhead while meeting data sovereignty requirements.
Which approach achieves this segmentation of identity data?
- A. Create one CIE tenant, aggregate all identity data into a single view, and redistribute the full dataset to all firewalls. Rely on per-firewall Security policies to restrict access to out-of-scope user and group information.
- B. Deploy a single CIE tenant that collects all identity data, then configure segments within the tenant to filter and redistribute only the relevant user/group sets to each regional firewall group.
- C. Establish separate CIE tenants for each business unit, integrating each tenant with the relevant identity sources. Redistribute user and group data from each tenant only to the region's firewalls, maintaining a strict one-to-one mapping of tenant to business unit.
- D. Disable redistribution of identity data entirely. Instead, configure each regional firewall to pull user and group details directly from its local identity providers (IdPs).
Answer: C
Explanation:
To meet the requirement of data isolation for different regional business units while minimizing administrative overhead, the best approach is to establish separate Cloud Identity Engine (CIE) tenants for each business unit. Each tenant would be integrated with the relevant identity sources (such as on-premises AD, Azure AD, and Okta) for that specific region. This ensures that the identity data for each region is kept isolated and only relevant user and group data is distributed to the respective regional firewalls.
By maintaining a strict one-to-one mapping between CIE tenants and business units, the organization ensures that each region's firewall only receives the user and group data relevant to that region, thus meeting data sovereignty requirements and minimizing administrative complexity.
NEW QUESTION # 23
Which two zone types are valid when configuring a new security zone? (Choose two.)
- A. Tunnel
- B. Internal
- C. Virtual Wire
- D. Intrazone
Answer: A,C
Explanation:
When configuring a new security zone on a Palo Alto Networks firewall, the two valid zone types are:
Tunnel: A Tunnel zone is used for traffic that is associated with a VPN tunnel, such as IPSec tunnels. Traffic passing through a tunnel interface is classified into this zone.
Virtual Wire: A Virtual Wire zone is used when a firewall operates in transparent mode (also known as Layer 2 mode). In this configuration, the firewall can inspect traffic without modifying the IP address structure of the network.
NEW QUESTION # 24
Which two statements describe an external zone in the context of virtual systems (VSYS) on a Palo Alto Networks firewall? (Choose two.)
- A. It is not associated with an interface; it is associated with a VSYS itself.
- B. It is associated with an interface within a VSYS of a firewall.
- C. It is a security object associated with a specific virtual router of a VSYS.
- D. It is a security object associated with a specific VSYS.
Answer: B,D
Explanation:
In the context of virtual systems (VSYS) on a Palo Alto Networks firewall, the external zone is typically associated with specific interfaces within a VSYS. Zones are fundamental security objects used to define traffic flow between interfaces, and the external zone would be used for interfaces that connect to external networks.
An external zone is associated with an interface within a VSYS of the firewall. This ensures that traffic from specific interfaces can be classified as belonging to the external zone, allowing the firewall to apply appropriate security policies.
The external zone is indeed a security object that is specific to a given VSYS, as each VSYS can have its own set of zones that are isolated from others.
NEW QUESTION # 25
By default, which type of traffic is configured by service route configuration to use the management interface?
- A. Autonomous Digital Experience Manager (ADEM)
- B. Security zone
- C. IPSec tunnel
- D. Virtual system (VSYS)
Answer: A
Explanation:
By default, the Autonomous Digital Experience Manager (ADEM) traffic is configured to use the management interface in a Palo Alto Networks firewall. The management interface is typically used for management-related traffic, such as monitoring and logging, and it is configured to handle ADEM-related traffic for the optimal performance of digital experience monitoring features.
This default configuration helps ensure that ADEM traffic does not interfere with regular traffic that may traverse other interfaces, such as traffic from security zones or IPSec tunnels.
NEW QUESTION # 26
A PA-Series firewall with all licensable features is being installed. The customer's Security policy requires that users do not directly access websites. Instead, a security device must create the connection, and there must be authentication back to the Active Directory servers for all sessions.
Which action meets the requirements in this scenario?
- A. Deploy the Advanced URL Filtering license and captive portal.
- B. Deploy the transparent proxy with Web Cache Communications Protocol (WCCP).
- C. Deploy the explicit proxy with Kerberos authentication scheme.
- D. Deploy the Next-Generation Firewalls as normal and install the User-ID agent.
Answer: C
Explanation:
In this scenario, the customer requires that users do not directly access websites and that a security device (the firewall) manages the connection, while also ensuring that there is authentication back to the Active Directory (AD) servers for all sessions. The explicit proxy with Kerberos authentication is the best solution because:
The explicit proxy allows the firewall to intercept user web traffic and manage the connections on behalf of users.
Kerberos authentication ensures that the user's identity is validated against the Active Directory servers before the session is allowed, fulfilling the authentication requirement.
NEW QUESTION # 27
In an active/active high availability (HA) configuration with two PA-Series firewalls, how do the firewalls use the HA3 interface?
- A. To exchange hellos, heartbeats, HA state information, and management plane synchronization for routing and User-ID information
- B. To synchronize sessions, forwarding tables, IPSec security associations, and ARP tables between firewalls in an HA pair
- C. To perform session cache synchronization among all HA peers having the same cluster ID
- D. To forward packets to the HA peer during session setup and asymmetric traffic flow
Answer: C
Explanation:
In an active/active HA configuration with two PA-Series firewalls, the HA3 interface is used primarily for the exchange of HA state information between the firewalls. This includes:
Hellos and heartbeats to monitor the status of the HA peer.
Synchronization of management plane data, which includes critical routing and User-ID information.
NEW QUESTION # 28
In regard to the Advanced Routing Engine (ARE), what must be enabled first when configuring a logical router on a PAN-OS firewall?
- A. Content update
- B. Plugin
- C. License
- D. General setting
Answer: C
Explanation:
To enable the Advanced Routing Engine (ARE) on a Palo Alto Networks firewall, the license for the ARE must be applied first. Without the proper license, the firewall cannot activate and use the advanced routing features provided by ARE, such as support for more complex routing protocols (e.g., BGP, OSPF, etc.).
Once the license is applied and validated, the routing engine can be configured, allowing the creation of logical routers and routing policies.
NEW QUESTION # 29
Without performing a context switch, which set of operations can be performed that will affect the operation of a connected firewall on the Panorama GUI?
- A. Restarting the local firewall, running a packet capture, accessing the firewall CLI
- B. Modification of pre-security rules, modification of a virtual router, modification of an IKE Gateway Network Profile
- C. Modification of local security rules, modification of a Layer 3 interface, modification of the firewall device hostname
- D. Modification of post NAT rules, creation of new views on the local firewall ACC tab, creation of local custom reports
Answer: C
Explanation:
In Panorama, without performing a context switch, the administrator can perform local configuration tasks directly on the connected firewall. The following operations can be done:
Modification of local security rules: Security rules can be modified directly on the connected firewall from the Panorama GUI.
Modification of a Layer 3 interface: Changes to the Layer 3 interfaces on the connected firewall can be done from Panorama, without needing to switch to the firewall's local interface.
Modification of the firewall device hostname: The firewall's hostname can be changed via Panorama.
NEW QUESTION # 30
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?
- A. 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.
- B. Deploy self-signed certificates at each site to simplify local certificate validation and reduce dependencies on a centralized CA. Turn 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.
- 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. 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 certificates to endpoints.
Answer: D
Explanation:
This approach best addresses the enterprise's requirements for certificate-based authentication, OCSP checks, and consistent policy enforcement:
Distributing the root and intermediate CA certificates via Panorama ensures that all firewalls in the enterprise are consistent in their trust chain and can validate certificates properly.
Configuring OCSP responder profiles on each firewall offloads the revocation checks to an internal OCSP server, which reduces the overhead on the firewalls and ensures fast, real-time certificate status checks.
Using CRL checks as a fallback ensures reliability in case the OCSP responder is unavailable.
Separate certificate profiles for users and devices ensure that the firewall can enforce different security policies based on the type of certificate (user vs. device).
Automated certificate enrollment methods such as Group Policy or SCEP streamline certificate distribution to endpoints, ensuring efficient management of certificates across geographically dispersed firewalls.
NEW QUESTION # 31
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