SD-WAN-Engineer Prüfungs-Guide - SD-WAN-Engineer Fragen&Antworten

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Palo Alto Networks SD-WAN-Engineer Exam Overview:

Certification Vendor:	Palo Alto Networks
Exam Name:	Palo Alto Networks SD-WAN Engineer
Exam Number:	SD-WAN-Engineer
Passing Score:	860 (scale 300–1000)
Exam Price:	$250 USD
Available Languages:	English
Exam Duration:	90 minutes
Real Exam Qty:	75–85
Certificate Validity Period:	2 years
Exam Format:	Matching, Multiple choice, Ordering
Related Certifications:	Palo Alto Networks Certified SASE Engineer Palo Alto Networks Certified Network Security Engineer
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: 1–2 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

>> SD-WAN-Engineer Prüfungs-Guide <<

SD-WAN-Engineer Fragen&Antworten, SD-WAN-Engineer Prüfungsübungen

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Palo Alto Networks SD-WAN-Engineer Prüfungsplan:

Thema	Einzelheiten
Thema 1	Deployment and Configuration: This domain focuses on Prisma SD-WAN deployment procedures, site-specific settings, configuration templates for different locations, routing protocol tuning, and VRF implementation for network segmentation.
Thema 2	Troubleshooting: This domain focuses on resolving connectivity, routing, forwarding, application performance, and policy issues using co-pilot data analysis and analytics for network optimization and reporting.
Thema 3	Planning and Design: This domain covers SD-WAN planning fundamentals including device selection, bandwidth and licensing planning, network assessment, data center and branch configurations, security requirements, high availability, and policy design for path, security, QoS, performance, and NAT.
Thema 4	Operations and Monitoring: This domain addresses monitoring device statistics, controller events, alerts, WAN Clarity reports, real-time network visibility tools, and SASE-related event management.
Thema 5	Unified SASE: This domain covers Prisma SD-WAN integration with Prisma Access, ADEM configuration, IoT connectivity via Device-ID, Cloud Identity Engine integration, and User Group-based policy implementation.

Palo Alto Networks SD-WAN Engineer SD-WAN-Engineer Prüfungsfragen mit Lösungen (Q35-Q40):

35. Frage
In a data center (DC) with two ION devices, all of the remote branch Prisma SD-WAN VPNs are active only on DC ION-1.
Why are no VPNs active on DC ION-2?

A. The DC and branches are in a different domain.
B. The static route to core as a next hop is missing.
C. The BGP core peer is down.
D. The ION device is behind a NAT.

Antwort: C

Begründung:
Comprehensive and Detailed Explanation
In a Prisma SD-WAN Data Center deployment, the operational state of the Secure Fabric VPNs (overlay tunnels) is directly tied to the health of the BGP Core Peer configuration.4
* Core Peer Dependency: DC ION devices typically peer with the data center core switch (Core Router) via BGP to learn the subnets (prefixes) for the applications hosted in the DC. The Prisma SD-WAN controller monitors this BGP peering status.5
* Controller Logic: If the BGP Core Peer on a DC ION goes down (or is not established), the controller automatically marks the VPN tunnels terminating at that specific ION as "Inactive".6 This is a fail- safe mechanism designed to prevent remote branches from sending traffic to a DC ION that has lost conne7ctivity to the internal data center network (and thus the applications).
* Scenario Analysis: In this scenario, DC ION-1 has active VPNs, meaning its BGP Core Peer is UP and it is successfully advertising reachability. DC ION-2 has no active VPNs, which strongly indicates that its BGP Core Peer is down.8 Because the controller sees the peer is down, it suppresses the tunnel establishment or marks existing tunnels as inactive to ensure traffic is only directed to the healthy node (ION-1).

36. Frage
An administrator is configuring an ION 2000 device for a deployment where high availability is required, but the site has only a single internet circuit. The administrator configures a Bypass Pair (Fail-to-Wire) on ports 1 and 2 connecting the ISP modem to the legacy firewall.
If the ION device loses power, what is the resulting behavior of the traffic flowing through this Bypass Pair?

A. Traffic is rerouted to the LTE modem automatically.
B. The internal relay closes, physically bridging Port 1 and Port 2, allowing traffic to flow transparently between the modem and firewall.
C. Traffic is blocked to prevent uninspected packets from entering the network (Fail-to-Block).
D. The device reboots into "Safe Mode" and acts as a Layer 2 switch.

Antwort: B

Begründung:
Comprehensive and Detailed Explanation
The Bypass Pair feature on Prisma SD-WAN ION devices (specifically supported models like ION 2000,
3000, 7000, 9000) is a hardware-based resiliency mechanism known as Fail-to-Wire.
* Operation: A "Bypass Pair" logically groups two physical interfaces (e.g., WAN 1 and LAN 1). Under normal operation, the ION processes traffic between them.
* Power Loss: In the event of a total power loss (or critical software failure), a mechanical relay inside the device physically closes the circuit between the two ports.
* Result: This creates a direct electrical connection (like a patch cable) between the upstream device (ISP Modem) and the downstream device (Legacy Firewall or Router). This ensures that internet connectivity is preserved for the site, even if the SD-WAN appliance is completely dead. This is critical for single-point-of-failure deployments where maintaining basic dial-tone is more important than SD- WAN optimization during a hardware outage.

37. Frage
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.)

A. Both the connection to ISP A and the connection to LTE/5G will be usable.
B. The VRRP Virtual IP address assigned to any SVIs will be moved to the newly active ION.
C. The connection to ISP A will be usable, but the connection to LTE/5G will not.
D. The newly active ION will send a gratuitous ARP to the LAN for the IP address of any SVIs.

Antwort: A,D

Begründung:
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

38. Frage
What is the default action for real-time media applications if link performance is poor?

A. Move flows.
B. Raise an alarm.
C. Drop the flow.
D. Apply Forward Error Correction (FEC).1

Antwort: A

Begründung:
Comprehensive and Detailed Explanation
According to the Prisma SD-WAN Performance Policy Default Behavior documentation, the default action configured for applications (including real-time media) when a path experiences poor performance (violates the SLA thresholds for latency, jitter, or packet loss) is to Move Flows.
The Prisma SD-WAN ION device continuously monitors the health of all available paths. If the active path for a media application degrades and fails to meet the specified SLA, the default policy dictates that the traffic should be steered (moved) to an alternate, compliant path that meets the performance criteria.
While Forward Error Correction (FEC) is a powerful feature available in Prisma SD-WAN to mitigate packet loss for real-time applications, it is an optional action that must be explicitly enabled or configured within the performance policy rules. It is not the default action in the base system configuration; the primary default mechanism for handling performance issues is to leverage the multi-path fabric to switch to a better link.
Reference: Prisma SD-WAN Administrator's Guide: Performance Policy Default Behavior

39. Frage
When using the CloudBlade to integrate Prisma SD-WAN with Prisma Access, how does the system ensure that the IPSec tunnels between the branch ION and the Prisma Access Security Processing Node (SPN) are kept alive during periods of no user traffic?

A. The CloudBlade automatically configures the ION to send Synthetic Probes (ICMP/HTTP) across the tunnel.
B. The administrator must configure a continuous ping script on a branch PC.
C. The IPSec tunnel uses standard DPD (Dead Peer Detection) and the ION sends keepalives.
D. Prisma Access initiates the connection to the branch every 60 seconds.

Antwort: C

Begründung:
Comprehensive and Detailed Explanation
The stability of VPN tunnels in the Prisma SD-WAN + Prisma Access integration relies on standard IPSec mechanisms.
Dead Peer Detection (DPD): The CloudBlade configuration automatically enables DPD on the IPSec tunnels it provisions.
Mechanism: DPD is a standard keepalive mechanism where the ION device sends periodic "R-U-THERE" messages to the Prisma Access gateway (and vice versa). If no acknowledgment is received after a specific count/timer, the ION marks the tunnel as down and attempts to re-key or switch to a backup path.
Synthetic Probes (B): While Synthetic Probes (part of ADEM or Path Quality monitoring) can be configured to measure latency/loss, the fundamental mechanism that keeps the IPSec security association (SA) active and detects link failure is DPD, not an application-layer probe.

40. Frage
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SD-WAN-Engineer Fragen&Antworten: https://www.zertfragen.com/SD-WAN-Engineer_prufung.html

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