SD-WAN-Engineer Prüfungsfragen, SD-WAN-Engineer Musterprüfungsfragen

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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
Exam Duration:	90 minutes
Real Exam Qty:	Approximately 80
Exam Price:	$250 USD
Passing Score:	860 (on a scale of 300–1000)
Exam Format:	Scenario-based questions, Multiple choice
Available Languages:	English
Related Certifications:	Palo Alto Networks Certified SD-WAN Engineer
Recommended Training:	Prisma SD-WAN: Design and Operation (Official Training)
Exam Registration:	Official Certification Registration
Sample Questions:	Palo Alto Networks SD-WAN-Engineer Sample Questions
Exam Way:	Online proctored or authorized testing center (Pearson VUE)
Pre Condition:	Recommended experience with SD-WAN and network engineering concepts; familiarity with Prisma SD-WAN solutions is strongly advised.
Official Syllabus URL:	https://www.paloaltonetworks.com/services/education/palo-alto-networks-sd-wan-engineer

>> SD-WAN-Engineer Prüfungsfragen <<

SD-WAN-Engineer Musterprüfungsfragen, SD-WAN-Engineer Vorbereitung

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Palo Alto Networks SD-WAN-Engineer Prüfungsplan:

Thema	Einzelheiten
Thema 1	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 2	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 3	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 4	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.
Thema 5	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.

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

35. Frage
A network installer is attempting to claim a new ION device using the "Claim Code" method. The device is connected to the internet, but the status in the portal remains stuck at "Claimed" and does not transition to
"Online". The installer connects a laptop to the LAN port of the ION and can successfully browse the internet, confirming the uplink is active.
What is the most likely cause of the device failing to reach the "Online" state?

A. The device is missing the "Site" assignment in the portal.
B. The "Circuit Label" has not been applied to the WAN interface.
C. The upstream firewall is blocking outbound TCP port 443 or UDP port 123 (NTP).
D. The device has not yet downloaded the latest software image.

Antwort: C

36. Frage
A network engineer is troubleshooting a "Voice Quality" issue. They suspect that the DSCP markings are being stripped or altered by the ISP.
Which tool in the Prisma SD-WAN portal allows the engineer to capture live packets on the WAN interface and inspect the IP header ToS/DSCP field?

A. Event Logs
B. Path Quality Monitor
C. Flow Browser
D. Packet Capture (PCAP)

Antwort: D

Begründung:
Comprehensive and Detailed Explanation
To validate specific packet-level details like DSCP (Differentiated Services Code Point) values, header checksums, or exact payload sizes, a Packet Capture (PCAP) is required.
* PCAP Tool: Prisma SD-WAN provides a built-in PCAP utility accessible directly from the portal. The engineer can select the specific Interface (e.g., Internet 1), apply a Filter (e.g., port 5060 or host
1.2.3.4), and capture the traffic.
* Analysis: The resulting .pcap file can be downloaded and opened in Wireshark. This allows the engineer to definitively see if the packets leaving the ION have DSCP EF (46) and if the packets arriving (if capturing on the other side) still retain that marking, or if the ISP has bleached it to CS0 (0).
* Flow Browser (A): While it shows "Application" and metrics, the Flow Browser typically displays the assigned priority class, not necessarily the raw bit-level DSCP value present in the packet header on the wire.

37. Frage
An administrator has configured a Path Policy for "ERP_Traffic". The policy allows two public internet links, "ISP-A" and "ISP-B", both marked as "Active". The Path Quality Profile (SLA) requires a latency of less than 150ms. Currently, both ISP-A and ISP-B have a latency of 40ms, well within the SLA.
How does the Prisma SD-WAN ION determine which link to use for a new flow of "ERP_Traffic" when both active paths meet the SLA requirements?

A. It selects the path with the highest available bandwidth capacity.
B. It selects the path that appears first in the interface configuration list.
C. It duplicates the packets across both paths (Packet Duplication) to ensure delivery.
D. It selects the path with the lowest numerical latency (e.g., if ISP-A drops to 39ms).

Antwort: A

Begründung:
Comprehensive and Detailed Explanation
Prisma SD-WAN utilizes a sophisticated decision engine for Application-Based Path Selection that goes beyond simple failover. When configuring a Path Policy, the administrator defines "Active" paths and a "Path Quality Profile" (SLA).
SLA Compliance (The Filter): First, the system filters the available paths based on the Path Quality Profile. In this scenario, both ISP-A and ISP-B have 40ms latency against a 150ms threshold. Both are "green" or compliant paths.
Selection Criteria (The Tie-Breaker): When multiple paths are configured as "Active" and all meet the performance SLA, the ION device aims to optimize the overall user experience and network utilization. The default behavior for load balancing across healthy, compliant active paths is to select the path with the highest available bandwidth capacity.
By steering new flows to the link with the most "headroom" (available Mbps), the system prevents the saturation of a smaller link (e.g., a 20Mbps DSL line) while a larger link (e.g., 1Gbps Fiber) sits underutilized. This maximizes the aggregate throughput for the site. While latency is the qualifier, bandwidth availability is often the selector for compliant paths. Note that if the application was defined as "Real-Time" and configured for packet duplication, behavior would differ, but for standard traffic, capacity-based distribution is the standard active/active logic.

38. Frage
Return traffic for an application from the branch is being dropped on the branch ION. Application traffic arrives via SD-WAN internet overlay at the branch, and path policy for the application at the branch has the following settings:
Active = MPLS Overlay
Backup = Prisma Access on internet
Which branch configuration is the probable cause of this behavior?

A. It has no MPLS circuit, and the Prisma Access tunnel is down.
B. It has Prisma Access tunnel over MPLS circuit but not on the internet circuit.
C. It has one MPLS and one internet circuit.
D. It has two internet circuits and no MPLS circuit.

Antwort: D

Begründung:
In Prisma SD-WAN, path selection and traffic symmetry are governed by the Path Policy and the available physical/virtual circuits at a site. The scenario describes a situation where return traffic is dropped on the branch ION after arriving via an Internet overlay. To understand why, we must analyze the "Active" and
"Backup" paths defined in the policy.
The policy specifies Active = MPLS Overlay and Backup = Prisma Access on internet. In a healthy environment, the ION device expects to send and receive traffic based on these defined paths. If the site actually has two internet circuits and no MPLS circuit (Option C), a critical mismatch occurs. Because there is no MPLS circuit available to satisfy the "Active" path, the device will fall back to the "Backup" path for initiated traffic.
However, the core issue here relates to how Prisma SD-WAN handles asymmetric routing and session state.
If traffic arrives at the branch via an "Internet Overlay" path that is not explicitly defined or allowed as a valid path for that specific application in the Path Policy, the ION device's flow integrity checks may drop the packets. Specifically, if the ION is configured with only Internet circuits but the policy is looking for an MPLS overlay that doesn't exist, the device may fail to correctly associate the return packets with the session state if the paths are perceived as "unbound" or "invalid" per the policy. This behavior is a security feature designed to ensure that traffic only traverses paths that meet the administrator's defined performance and security criteria. Without an MPLS circuit present, the policy cannot be fully realized, leading to potential drops for traffic arriving on paths not intended for that specific application flow.

39. Frage
What is the default behavior of the Zone-Based Firewall (ZBFW) for traffic originating from the ION device itself (e.g., DNS queries, NTP sync, or Controller connectivity) destined for the "Internet" zone?

A. It is inspected by the "Global" security stack but bypasses local rules.
B. It is denied by the default "Deny All" rule unless explicitly allowed.
C. It is allowed only if the "Management" interface is used.
D. It is allowed by the implicit "Self-Zone" allow rule.

Antwort: D

Begründung:
Comprehensive and Detailed Explanation
The Self-Zone is a predefined security zone in the Prisma SD-WAN ZBFW that represents the ION device's own control plane and management traffic.
Default Rule: The security policy contains an implicit, uneditable default rule that Allows traffic originating from the Self-Zone to any destination zone (Internet, Private WAN, etc.).
Rationale: This ensures that the device can always perform essential critical functions-such as connecting to the Cloud Controller, resolving DNS, syncing time via NTP, and establishing VPN tunnels-without the administrator needing to manually create "Allow" rules for the device itself. If this traffic were blocked by a "Deny All" default, the device would become unmanageable (bricked) immediately after applying the policy.

40. Frage
......

SD-WAN-Engineer Musterprüfungsfragen: https://www.zertpruefung.ch/SD-WAN-Engineer_exam.html

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