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| Certification Vendor: | Palo Alto Networks |
|---|---|
| Exam Name: | Palo Alto Networks SD-WAN Engineer |
| Exam Number: | SD-WAN-Engineer |
| Exam Format: | Multiple choice, Ordering, Matching |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Related Certifications: | Palo Alto Networks Certified SASE Engineer Palo Alto Networks Certified Network Security Engineer |
| Exam Price: | $250 USD |
| Passing Score: | 860 (scale 300โ1000) |
| Real Exam Qty: | 75โ85 |
| Certificate Validity Period: | 2 years |
| Recommended Training: | Palo Alto Networks Digital Learning Path Prisma SD-WAN: Design and Operation |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Palo Alto Networks SD-WAN-Engineer Sample Questions |
| Exam Way: | In-person only at Pearson VUE test centers (online proctoring discontinued May 1, 2025) |
| Pre Condition: | Recommended: 1โ2 years of experience with networking, WAN technologies, and Palo Alto Networks solutions; no mandatory prerequisite exams |
| Official Syllabus URL: | https://www.paloaltonetworks.com/services/education/palo-alto-networks-sd-wan-engineer |
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NEW QUESTION # 41
Network segmentation is required due to overlapping IP address space and M&A scenarios. Which Prisma SD-WAN feature will achieve the desired segmentation and end-to-end connectivity in this use case?
Answer: A
Explanation:
In modern enterprise environments, particularly those undergoing Mergers and Acquisitions (M&A), engineers often face the challenge of overlapping IP address space.4 Prisma SD-WAN addresses this by utilizing Virtual Routing and Forwarding (VRF) profiles.5 A VRF creates a separate routing table instance within the ION device, allowing multiple networks to coexist on the same physical hardware even if they use the same IP ranges.
To achieve end-to-end connectivity while maintaining strict segmentation, these VRF profiles must be correctly associated with site bindings.7 When a VRF is "bound" to a site, the ION device ensures that traffic belonging to that specific segment remains isolated not only locally (on the LAN) but also across the secure SD-WAN fabric. Prisma SD-WAN achieves this by encapsulating the traffic within the overlay tunnels and tagging it with a unique VRF identifier.8 This ensures that a "Corporate" VRF at Site A can only communicate with the "Corporate" VRF at Site B, effectively keeping "Guest" or "Acquisition" traffic completely separate.
This architectural approach is superior to traditional underlay segmentation (Option A) or simple interface- based virtual routers (Option D) because it provides a centralized, software-defined method to manage multi- tenancy. By using VRF profiles, administrators can define a global security and routing posture once and push it to all relevant sites.9 This simplifies the integration of new business units with conflicting IP schemes, as the Prisma SD-WAN controller handles the complex orchestration required to maintain path selection and security policies uniquely for each VRF across the entire global network.
NEW QUESTION # 42
When planning a software upgrade for a large fleet of ION devices, what is the recommended best practice regarding the "Software Version" assigned in the Site Summary?
Answer: A
Explanation:
Comprehensive and Detailed Explanation
The best practice for managing upgrades in a large-scale Prisma SD-WAN environment is the Canary or Phased Rollout approach, utilizing Site Tags.
* Risk Mitigation: Upgrading all sites simultaneously (Option B) is highly risky. If the new software version has an unforeseen bug or compatibility issue with a specific circuit type, the entire network could face an outage.
* Tag-Based Management: Administrators should create tags such as "Upgrade-Phase-1" (Pilot sites) or
"Region-North". By assigning the specific Software Version to the Tag (rather than the individual site or the global default), the controller pushes the update only to that subset of devices.
* Procedure:
* Apply update to "Pilot" tag (5 sites). Monitor for 24-48 hours.
* Apply update to "Region-1" tag (50 sites). Monitor.
* Eventually, update the Global default once confidence is high.
Option A is unscalable, and Option D is incorrect as the administrator retains full control over when upgrades occur; they are not forced automatically without policy configuration.
NEW QUESTION # 43
Based on the HA topology image below, which two statements describe the end-state when power is removed from the ION 1200-S labeled "Active", assuming that the ION labeled "Standby" becomes the active ION? (Choose two.)
Answer: B,D
Explanation:
Comprehensive and Detailed Explanation at least 150 to 250 words each from Palo Alto Networks SD-WAN Engineer documents:
Prisma SD-WAN High Availability (HA) for branch ION devices, particularly the Gen-2 ION 1200-S, is designed to provide "100% WAN Capacity" preservation during a hardware or power failure. This is achieved through the use of Bypass Pairs (Fail-to-Wire). In the provided topology, the ISP A and LTE/5G circuits are cross-connected using the bypass ports (typically ports 3 and 4 on the ION 1200-S).
When the "Active" ION device loses power, the internal physical relays in its bypass ports transition to a closed state, effectively creating a physical bridge between the ports. In this scenario, the LTE/5G signal-which enters the Active ION's port 4-is mechanically bridged to port 3, allowing it to pass through to port 4 of the Standby ION. Simultaneously, ISP A is already connected to the Standby ION. Consequently, once the Standby device completes its transition to the "Active" state, it has physical access to both WAN circuits, validating Statement A.
Regarding the LAN transition, Prisma SD-WAN does not use standard VRRP for ION-to-ION HA; instead, it uses a proprietary Control Plane HA mechanism. When the failover occurs, the newly active ION takes over the IP addresses of all configured Switch Virtual Interfaces (SVIs) and LAN interfaces. To ensure the downstream Layer 2 infrastructure (like the LAN switches shown in the diagram) updates its MAC address tables to point to the new physical hardware for those IPs, the newly active ION immediately broadcasts a Gratuitous ARP (GARP). This ensures that LAN traffic is correctly steered to the new device without a significant timeout, validating Statement C.
NEW QUESTION # 44
When identifying devices for IoT classification purposes, which two methods does Prisma SD-WAN use to discover devices that are not directly connected to the branch ION? (Choose two.)
Answer: A,C
Explanation:
Comprehensive and Detailed Explanation
Prisma SD-WAN (formerly CloudGenix) integrates with Palo Alto Networks IoT Security to provide comprehensive visibility into all devices at a branch, including those that are not directly connected to the ION device. While the ION automatically detects and classifies devices connected directly to its interfaces via traffic inspection (DPI), DHCP, and ARP analysis, gaining visibility into off-branch devices (devices connected to downstream switches or access points) requires additional discovery mechanisms that can query the network infrastructure or ingest its logs.
1. SNMP (Simple Network Management Protocol): This is the primary active discovery method for off- branch devices. The Prisma SD-WAN ION device acts as a sensor that actively polls local network switches and wireless controllers using SNMP. By querying the ARP tables and MAC address tables (Bridge MIBs) of these intermediate network devices, the ION can identify endpoints that are connected to the switch ports, even if those endpoints are not currently sending traffic through the ION. This allows the system to map the topology and discover silent or lateral-traffic-only devices.
2. Syslog: In conjunction with SNMP, the IoT Security solution can utilize Syslog messages to discover and profile devices. Network infrastructure devices (like switches and WLAN controllers) can be configured to send Syslog messages to the collection point (which enables the IoT Security service) whenever a device connects or disconnects (e.g., port up/down events, DHCP snooping logs, or 802.1x authentication logs).
These logs provide real-time data about device presence and identity (MAC/IP mappings) for devices that are not directly adjacent to the ION, ensuring 100% visibility across the branch network segments. LLDP (A) and CDP (B) are typically Link Layer discovery protocols used for discovering directly connected neighbors and do not propagate beyond the immediate link, making them unsuitable for discovering devices multiple hops away or behind a switch.
NEW QUESTION # 45
An administrator has configured a Zone-Based Firewall (ZBFW) policy on a branch ION. They created a rule to "Allow" traffic from the "Guest" zone to the "Internet" zone. However, users in the "Guest" zone are reporting they cannot reach a specific public website, and the Flow Browser shows the flow state as
"REJECT".
What is the most likely reason for this specific rejection, assuming the "Allow" rule is correctly placed at the top of the list?
Answer: D
Explanation:
Comprehensive and Detailed Explanation
In Prisma SD-WAN, security policies can be applied via Policy Stacks, which often have a hierarchy.
* Stack Precedence: A common configuration involves a Global Security Stack (applied to all sites) and a Local/Site Security Stack (specific to one site). If the administrator configured a "Global" rule that says "Deny Access to Gambling Sites" (or a specific IP list), and that rule is higher in the binding order or part of a higher-priority stack, it will enforce the block before the local "Allow Guest to Internet" rule is processed.
* Specifics of "REJECT": The state REJECT specifically implies a policy enforcement action (sending a TCP RST or ICMP Unreachable) rather than a silent drop or a routing failure.
* Why not A? If the "Allow" rule is at the top and matches the traffic parameters (Zone/IP), the Default Deny at the bottom would never be reached. The issue implies a higher priority Deny exists.
NEW QUESTION # 46
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