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| Certification Vendor: | Palo Alto Networks |
|---|---|
| Exam Name: | Palo Alto Networks Certified SD-WAN Engineer |
| Exam Number: | SD-WAN-Engineer |
| Exam Format: | Multiple choice, Scenario-based |
| Available Languages: | English |
| Related Certifications: | Network Security Professional Security Service Edge (SSE) Engineer |
| Certificate Validity Period: | 2 years |
| Exam Duration: | 90 minutes |
| Sample Questions: | Palo Alto Networks SD-WAN-Engineer Sample Questions |
| Exam Way: | Online (Proctored) or Pearson VUE Test Center |
| Pre Condition: | Recommended: Network Security Professional certification or equivalent experience. |
| Official Syllabus URL: | https://www.paloaltonetworks.com/services/education/sd-wan-engineer |
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NEW QUESTION # 86
Which component of Prisma SD-WAN is responsible for distributing User-IP and user-group mappings to branch devices that match the corresponding source IPs?
Answer: B
Explanation:
In the Prisma SD-WAN architecture, the Controller serves as the centralized management and control plane for the entire fabric. While the Cloud Identity Engine (CIE) is the component responsible for collecting and consolidating user-to-IP mappings from various identity providers (such as Active Directory, Okta, or Azure AD), it does not directly manage the distribution of this operational data to the individual ION devices at the branch level.
Instead, the Prisma SD-WAN Controller integrates with the Cloud Identity Engine to ingest these identity mappings. Once the Controller has synchronized the User-IP and user-group information, it acts as the primary orchestrator. It is responsible for distributing these mappings down to the ION devices across all sites. This distribution ensures that when an ION device sees traffic from a specific source IP, it can accurately associate that traffic with a specific user or group based on the metadata provided by the Controller.
By centralizing this distribution through the Controller, Prisma SD-WAN ensures consistency across the network. Branch ION devices can then apply Application-Based Path Selection and security policies based on user identity rather than just IP addresses. This architectural design offloads the processing requirements of maintaining direct connections to identity providers from the branch hardware, allowing the Controller to handle the heavy lifting of orchestration and global synchronization of identity data.
NEW QUESTION # 87
When troubleshooting an issue at a site that is running on two cellular links from two carriers, the operations team shared some evidence shown in the graph below:
For the time duration shown in the graph, what are two inferences about the site's traffic that can be made?
(Choose two.)
Answer: A,C
Explanation:
The provided graph displays the Signal-to-Noise Ratio (SNR) for two cellular carriers, Carrier-1 (blue line) and Carrier-2 (green line), over a specific period. In cellular communications, SNR is a critical metric used to determine the quality of a wireless signal. A higher SNR indicates a cleaner, stronger signal, while a lower SNR indicates that the signal is being "drowned out" by background noise or interference, which directly correlates to performance degradation, packet loss, and lower throughput.
Looking at the graph, Carrier-1 experiences a significant and sustained drop in SNR, falling from roughly
4.5 dB to nearly 0.5 dB for the majority of the time duration. This drastic reduction in signal quality strongly suggests that Carrier-1 may have experienced performance degradation (Option A). During this dip, the link quality would likely fall below the configured thresholds for business-critical application traffic.
Because Prisma SD-WAN is an application-defined fabric that continuously monitors path health, the ION device would detect this degradation on Carrier-1. If Carrier-2 maintains a significantly higher and more stable SNR (as shown by the green line remaining between 4.5 dB and 6.5 dB), the ION device's Path Selection engine would automatically steer traffic away from the degraded link. Consequently, it is highly probable that Carrier-1 traffic switched over to Carrier-2 (Option D) to maintain the application SLA. This automated failover is a core strength of the Prisma SD-WAN architecture, ensuring that the best available path is utilized based on real-time link statistics rather than simple "up/down" states.
NEW QUESTION # 88
An administrator wants to configure a Path Policy that routes all "Guest Wi-Fi" traffic directly to the internet using the local broadband interface, bypassing all VPN tunnels.
Which Service & DC Group setting should be selected in the policy rule to achieve this "Direct Internet Access" (DIA) behavior?
Answer: A
Explanation:
Comprehensive and Detailed Explanation
In Prisma SD-WAN Path Policies, the Service & DC Group (Destination) field determines where the traffic is sent.
Direct: This is the specific keyword/object used to instruct the ION to route traffic directly out to the local WAN interface (Local Breakout) towards the Internet, without encapsulation in a VPN tunnel. This is the correct setting for Guest Wi-Fi, SaaS applications (like Office 365), or any public web browsing that does not need to be backhauled.
Standard VPN / Default-Cluster: These options direct traffic into an IPSec overlay tunnel destined for a Data Center or another ION. Selecting these would "backhaul" the guest traffic, which contradicts the requirement for DIA.
When "Direct" is selected, the ION uses its available "Internet" category links. The policy can further specify which internet link to use (e.g., "Use Broadband, avoid LTE") via the path preference list, but the Destination type must be "Direct".
NEW QUESTION # 89
Which component of the Prisma SD-WAN solution is responsible for the deep application identification (App- ID) and the generation of flow metrics (Network Transfer Time, Server Response Time) at the branch?
Answer: C
Explanation:
Comprehensive and Detailed Explanation
The ION Device Data Plane (the software running locally on the hardware appliance at the branch) is the component responsible for the heavy lifting of traffic analysis.
* Edge Processing: Prisma SD-WAN uses an "Application-Defined" architecture. The ION device performs Deep Packet Inspection (DPI) on the first few packets of a flow to identify the application (e.
g., distinguishing "Skype Video" from "Skype Chat").
* Metric Calculation: The ION device timestamping engine calculates the performance metrics (RTT, NTT, SRT) in real-time as packets pass through its interfaces. It aggregates this metadata.
* Role of Controller (B): The Controller collects and visualizes this data (Analytics), but it does not generate it. The Controller does not sit in the data path of the user traffic. If the ION relied on the controller for App-ID, latency would be unacceptably high. Therefore, all detection and metric generation happens locally on the ION Device.
NEW QUESTION # 90
A network administrator is troubleshooting a critical SaaS application, "SuperSaaSApp", that is experiencing connectivity issues. Initially, the configured active and backup paths for the application were reported as completely down at Layer 3. The Prisma SD-WAN system attempted to route traffic for the application over an L3 failure path that was explicitly configured as a Standard VPN to Prisma Access.
However, users are still reporting a complete outage for the application and monitoring tools show application flows being dropped when attempting to use the Standard VPN L3 failure path, even though the tunnel itself appears to be up. The administrator suspects a policy misconfiguration related to how the Standard VPN path interacts with destination groups.
What is the most likely reason for flows being dropped when attempting to use the Standard VPN L3 failure path?
Answer: B
Explanation:
Comprehensive and Detailed Explanation
According to Palo Alto Networks Prisma SD-WAN administrator documentation regarding Path Policy configuration, specific rules apply when utilizing Standard VPNs (IPSec tunnels to non-ION devices, such as Prisma Access or third-party firewalls) as an L3 Failure Path.
When a Path Policy rule is configured, the administrator defines Active Paths, Backup Paths, and L3 Failure Paths. The L3 Failure Path is a "last resort" mechanism used when all Active and Backup paths are unavailable (Layer 3 down).
If Standard VPN is selected as the L3 Failure Path type, the system explicitly requires that the administrator also associates it with a specific Standard Services and DC Group within that same policy rule.
The ION device uses the Standard Services and DC Group to identify the specific remote endpoint (tunnel destination) where the traffic should be routed. Unlike a "Direct" (Internet) path which can simply route out to the WAN, a Standard VPN represents a logical tunnel. If the policy rule designates "Standard VPN" as the failure path but leaves the "Standard Services and DC Group" field empty or unselected, the ION effectively has a directive to "use a VPN" but lacks the instruction on which VPN group to use for this specific application context. Consequently, even if the IPSec tunnel to Prisma Access is physically up and stable, the policy engine cannot resolve the next hop for the "SuperSaaSApp" traffic, resulting in the packets being dropped. To resolve this, the administrator must edit the Path Policy rule to ensure the specific Standard Service/DC Group representing Prisma Access is checked/selected for the L3 Failure Path.
NEW QUESTION # 91
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