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| Section | Weight | Objectives |
|---|---|---|
| Deployment and Configuration | 38% | - Prisma SD-WAN Deployment
|
| Operations and Monitoring | 38% | - Monitoring and Troubleshooting
|
| Planning and Design | 24% | - Architecture Design
|
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NEW QUESTION # 35
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?
Answer: B
Explanation:
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.
NEW QUESTION # 36
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 # 37
What is the default action for real-time media applications if link performance is poor?
Answer: B
Explanation:
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
NEW QUESTION # 38
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,D
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 # 39
Which IONs can support Branch Gateway?
Answer: B
Explanation:
In the Prisma SD-WAN ecosystem, ION (Instant-On Network) devices are categorized based on their performance capabilities, throughput, and their specific role within the network architecture-namely, whether they function as a Branch device or a Data Center (DC) device.2 The "Branch Gateway" designation typically refers to high-capacity hardware or virtual instances designed to handle complex routing, massive throughput, and high-density connectivity requirements found in large branch offices or regional hubs.
The devices listed in option D represent the high-performance tier of the ION family. The ION 9200 and ION
5200 are flagship hardware appliances designed for large-scale deployments, offering multi-gigabit throughput and extensive port density.3 The ION 3200 serves as a robust mid-to-high range branch solution.4 The ION 7116V is a high-capacity virtual appliance (part of the 7000 series) designed to provide flexible, software-defined gateway capabilities in virtualized environments or public clouds (like AWS, Azure, or GCP).
Specifically, these models support advanced features such as Layer 3 hardware forwarding, integrated switching (in certain sub-models), and the processing power required to run deep packet inspection (DPI) for application-based path selection at scale. While smaller units like the 1200 series are excellent for small-to- medium branches, the 9200, 3200, 5200, and 7116V are the primary workhorses for organizations requiring
"Gateway" class performance to manage heavy traffic loads and maintain high availability in a Prisma SD- WAN fabric.
NEW QUESTION # 40
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