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| Section | Weight | Objectives |
|---|---|---|
| Operations and Monitoring | 20% | - Analytics and reporting for optimization - Monitoring tools, alerts, and event management - Configuration management and upgrades - WAN Clarity reports and performance visibility |
| Planning and Design | 24% | - Architecture and requirements analysis - Policy design for routing, QoS, NAT, and path selection - Network design, high availability, and security requirements - Device selection and licensing planning |
| Troubleshooting | 20% | - Using Co-pilot and logs for diagnostics - Connectivity and routing issue resolution - Path selection and security troubleshooting - Application performance and policy validation |
| Unified SASE Integration | 10% | - Identity and IoT integration - ADEM configuration and monitoring - Prisma SD-WAN + Prisma Access integration |
| Deployment and Configuration | 26% | - Integration with Prisma Access and security services - Routing protocols and segmentation (VRF) - Template configuration and site-specific settings - Initial setup and onboarding of Prisma SD-WAN devices |
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NEW QUESTION # 36
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: A,C
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 # 37
What are two potential causes when a secondary public circuit has been added to the branch site, but the Prisma SD-WAN tunnel is not forming to the data center? (Choose two.)
Answer: B,C
Explanation:
In a Prisma SD-WAN deployment, the formation of VPN tunnels between a branch ION device and a Data Center (DC) ION is governed by specific configuration parameters that define how an interface interacts with the WAN fabric. When a secondary public circuit is introduced, the system requires precise classification to initiate the negotiation of security associations.
The first critical factor is the Interface Role. For an ION device to attempt to build a global fabric tunnel over a public circuit, the interface must be explicitly assigned the "Internet" role. If the role is incorrectly set (e.g., as "LAN" or left unconfigured), the device will not treat that physical port as a viable path for the SD- WAN overlay, preventing the tunnel from initiating.
Secondly, the Circuit Label plays a vital role in the path selection and tunnel orchestration logic. Prisma SD- WAN uses labels to match local branch circuits with corresponding circuits at the data center or other branches. If a circuit label is missing or mismatched on the interface configuration, the Controller cannot properly orchestrate the "bind" between the branch and the hub. Without a valid label, the ION device doesn't know which path group the circuit belongs to, and consequently, the automated tunnel signaling process fails to complete.
While DNS is important for management connectivity to the Controller, it is generally not the primary blocker for site-to-site tunnel formation if the Controller reachability is already established via the primary circuit.
Similarly, "Interface Scope" is more relevant to routing advertisement rather than the foundational establishment of the SD-WAN tunnel itself. Therefore, ensuring the Internet role and Circuit Label are correctly applied is the standard troubleshooting step for non-forming tunnels on new circuits.
NEW QUESTION # 38
How can a network administrator detect a site outage or a service-level agreement (SLA) violation using controller-generated incidents?
Answer: C
Explanation:
In the Prisma SD-WAN ecosystem, the centralized cloud controller provides a robust multi-layered visibility framework to ensure network reliability. To effectively detect critical events like site outages or application performance issues (SLA violations), the controller aggregates several types of operational data. Incidents are the primary mechanism for high-level alerting; they are automatically generated when the system detects significant state changes, such as an ION device going offline (site outage) or a path failing to meet the required performance metrics.
While Incidents provide the "what" and "where," Alerts offer granular notifications for specific events that may not yet have escalated to a full-scale incident. To provide deep context, the controller also utilizes Statistics, which include real-time and historical telemetry regarding bandwidth, latency, jitter, and packet loss. These statistics allow administrators to visualize the specific SLA violation as it occurs. Furthermore, Audit logs are essential for tracking configuration changes or administrative actions that might have preceded an outage, helping engineers correlate human intervention with network behavior.
By combining these four elements-Incidents for major events, Alerts for specific notifications, Statistics for performance validation, and Audit logs for change tracking-a network administrator gains a 360-degree view of the fabric. This comprehensive approach moves beyond simple "up/down" monitoring, allowing for
"Day 2" operational excellence where performance degradation is identified and remediated before it impacts the end-user experience.
NEW QUESTION # 39
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:
(SNR Graph showing Carrier-1 in blue dropping to near 0 dB and Carrier-2 in green staying relatively stable between 4.5 dB and 6.5 dB)
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,D
Explanation:
Comprehensive and Detailed Explanation at least 150 to 250 words each from Palo Alto Networks SD-WAN Engineer documents:
In Prisma SD-WAN, the Signal-to-Noise Ratio (SNR) is a critical metric used to monitor the health and performance of cellular WAN interfaces. SNR measures the strength of the desired signal relative to the background noise level; higher values indicate a cleaner signal, while lower values suggest that noise is overwhelming the signal, typically leading to increased packet loss, high latency, and reduced throughput.
Analyzing the provided graph, Carrier-1 (blue line) shows a severe drop in SNR, plummeting from approximately 4.5 dB to nearly 0.3 dB between 15:00 and 23:00. An SNR value this low is indicative of a failing or highly unstable link that cannot reliably sustain data traffic, directly supporting Inference A-that Carrier-1 experienced significant performance degradation. In contrast, Carrier-2 (green line) maintains a much higher and more consistent SNR throughout the same period.
Prisma SD-WAN's AppFabric uses application-based path selection and SLA monitoring to ensure the best possible user experience. When the system detects that a primary path (like Carrier-1) has degraded below acceptable thresholds-often triggered by high loss or latency resulting from poor signal quality-it will dynamically steer application flows to an alternative healthy path. Therefore, Inference D is correct: because Carrier-1's quality became untenable while Carrier-2 remained stable, the ION device would have likely initiated a path switchover to move traffic from the degraded Carrier-1 to the healthier Carrier-2.
NEW QUESTION # 40
What is the primary function of the "CloudBlade" platform in a Prisma SD-WAN deployment when integrating with third-party services or Prisma Access?
Answer: B
Explanation:
Comprehensive and Detailed Explanation
The CloudBlade platform is a distinguishing architectural component of the Prisma SD-WAN solution. It is not a physical piece of hardware, nor is it software that runs directly on the branch ION device's CPU.
Instead, the CloudBlade platform is a cloud-based API integration layer hosted by Palo Alto Networks. It functions as an intelligent broker or "translator" between the Prisma SD-WAN Controller and external third-party services (such as Prisma Access, Amazon Web Services, Azure, ServiceNow, or Zscaler).
When an administrator configures the Prisma Access CloudBlade, for example, they input their API credentials and intent (e.g., "Connect all US branches to US West"). The CloudBlade engine then:
Communicates with the Prisma Access API to provision the remote IPSec termination nodes (Security Processing Nodes).
Translates this configuration into specific instruction sets for the Prisma SD-WAN Controller.
The Controller then pushes the necessary VPN tunnel configurations, IKE parameters, and routing rules to the relevant ION devices.
This architecture eliminates the need for manual IPSec configuration on every branch device. It ensures that if the third-party service changes its IP addresses or settings, the CloudBlade can detect the change via API and automatically update the branch fleet, maintaining connectivity without manual administrator intervention.
NEW QUESTION # 41
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