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| Certification Vendor: | Palo Alto Networks |
|---|---|
| Exam Name: | Palo Alto Networks SD-WAN Engineer |
| Exam Number: | SD-WAN-Engineer |
| Real Exam Qty: | 75โ85 |
| Exam Format: | Matching, Ordering, Multiple choice |
| Passing Score: | 860 (scale 300โ1000) |
| Exam Price: | $250 USD |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Related Certifications: | Palo Alto Networks Certified Network Security Engineer Palo Alto Networks Certified SASE Engineer |
| Certificate Validity Period: | 2 years |
| Recommended Training: | Prisma SD-WAN: Design and Operation Palo Alto Networks Digital Learning Path |
| 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 # 76
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: B
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 # 77
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
This scenario depicts a High Availability (HA) topology utilizing the ION 1200-S model's Fail-to-Wire (bypass) capabilities to share WAN links between two devices without needing external switches for every WAN connection.
1. WAN Link Availability (Statement A):
The diagram illustrates a "daisy-chain" cabling method supported by the ION 1200-S bypass pairs.
* ISP A (Green): Connects directly to the "Standby" (Left) unit first. Since the Standby unit remains powered on, it maintains direct access to ISP A.
* LTE/5G (Blue): Connects to the "Active" (Right) unit first. The connection then loops through a bypass pair on the Active unit to the Standby unit. When power is removed from the "Active" unit, the fail-to-wire relays on its Ethernet ports close physically. This creates a passive electrical bridge that connects the LTE modem directly to the Standby unit. The Standby unit (now becoming Active) will detect the link state change and successfully utilize the LTE connection. Therefore, both WAN links remain usable.
2. LAN Failover Mechanism (Statement C):
Prisma SD-WAN ION devices typically use a VRRP-like mechanism for LAN redundancy.
* When the "Active" node fails (loses power), the "Standby" node stops receiving keepalives and promotes itself to the Active state.
* To ensure downstream switches and clients immediately send traffic to the new Active unit, it must update their ARP tables. It does this by broadcasting a Gratuitous ARP (GARP) packet for the Virtual IP (VIP) address of the Switch Virtual Interfaces (SVIs). This action informs the network that the MAC address associated with the Gateway I1P is now reachable via the port connected to the new Active ION.234
NEW QUESTION # 78
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: A
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 # 79
When an ION device has been claimed, the cloud-based controller generates and communicates with the device by which method?
Answer: D
Explanation:
In the Prisma SD-WAN (formerly CloudGenix) architecture, the security and authenticity of device-to- controller communication are paramount. When a new ION (Instant-On Network) device is powered on and connected to the internet, it initiates a secure "phone home" process to the Prisma SD-WAN Cloud Controller.
To ensure that the controller is communicating with a genuine Palo Alto Networks hardware or software instance, the system utilizes a Manufacturer Installed Certificate (MIC).
The MIC is a unique digital certificate burned into the hardware's Trusted Platform Module (TPM) or secure storage during the manufacturing process. This certificate acts as the device's foundational identity. When a customer "claims" a device in the Prisma SD-WAN portal using its serial number, the controller maps that serial number to the specific MIC associated with that unit.
Once the device is claimed and attempts to connect, a mutual TLS (mTLS) handshake occurs. The ION device presents its MIC to the controller to prove its identity, and the controller validates this against its records. This method eliminates the need for manual staging, pre-configuration, or the complexity of managing a Customer Installed Certificate (CIC) or a private Public Key Infrastructure (PKI) during the initial deployment phase. By leveraging the MIC, Prisma SD-WAN achieves true Zero Touch Provisioning (ZTP), ensuring that only authorized, authentic devices can join the fabric and receive configuration policies, thereby maintaining a secure and automated onboarding workflow.
NEW QUESTION # 80
When integrating Prisma SD-WAN with Prisma Access, what is the specific role of the Service Connection (SC)?
Answer: A
Explanation:
Comprehensive and Detailed Explanation
In the Prisma Access architecture (integrated with SD-WAN), distinct connection types serve different purposes.
Remote Networks: These are the connections from your Branch sites (using ION devices) into the cloud. They allow branches to get to the internet or other branches.
Service Connections (SC): This is a specialized high-bandwidth connection used to bridge the Prisma Access Cloud to your Private Data Center or Headquarters.
The primary use case for a Service Connection (Option A) is to allow mobile users and branch users (who are connected to the Prisma cloud) to reach private, centralized resources that still reside on-premise, such as Active Directory controllers, legacy databases, or mainframes. Without a Service Connection, users in the cloud would be able to reach the internet and each other, but not the servers physically located in your HQ data center. The CloudBlade automates the creation of these tunnels, but architecturally, the "Service Connection" is the "cloud-to-HQ" bridge.
NEW QUESTION # 81
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