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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Deployment and Configuration | 26% | - Integration with Prisma Access and security services - Template configuration and site-specific settings - Initial setup and onboarding of Prisma SD-WAN devices - Routing protocols and segmentation (VRF) |
| Topic 2: Operations and Monitoring | 20% | - Configuration management and upgrades - Monitoring tools, alerts, and event management - Analytics and reporting for optimization - WAN Clarity reports and performance visibility |
| Topic 3: Unified SASE Integration | 10% | - Prisma SD-WAN + Prisma Access integration - Identity and IoT integration - ADEM configuration and monitoring |
| Topic 4: Planning and Design | 24% | - Policy design for routing, QoS, NAT, and path selection - Network design, high availability, and security requirements - Device selection and licensing planning - Architecture and requirements analysis |
| Topic 5: Troubleshooting | 20% | - Using Co-pilot and logs for diagnostics - Connectivity and routing issue resolution - Application performance and policy validation - Path selection and security troubleshooting |
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NEW QUESTION # 80
While designing a greenfield Prisma SD-WAN solution for a retailer, the risk management group requires segmentation of the retail network to avoid one large fault domain.
The following data points are provided:
* Two data centers and all sites need to access applications in both data centers
* 1000 retail branches with stores concentrated in multiple metropolitan areas
* Data Center 1 and Data Center 2 have different sets of applications that are not replicated
* Maintaining application availability is the primary goal
Which action will segment the retail network and reduce regional outages?
Answer: D
Explanation:
In large-scale Prisma SD-WAN deployments, such as a retail network with 1,000 branches, architectural resilience is achieved through a strategy known as Hub Clustering. A Data Center Cluster is a logical grouping of ION devices at a hub site that provides termination for branch-to-DC VPN tunnels. To prevent the creation of a massive, single fault domain, Palo Alto Networks best practices recommend segmenting the branch population across multiple clusters.
By creating more than one data center cluster in each data center and strategically assigning sites to these clusters, an administrator can effectively isolate failure events. In a metropolitan area where stores are concentrated, spreading nearby retail locations across different clusters ensures that a localized resource failure or a cluster-specific misconfiguration only impacts a subset of the stores in that region rather than causing a complete regional outage.
This design directly addresses the requirement for maintaining application availability. Since Data Center 1 and Data Center 2 host different applications, each branch site must maintain active paths to both DCs. By using multiple clusters at each DC, the risk management group's goal of avoiding a large fault domain is met through "blast radius" containment. If Cluster A at Data Center 1 fails, the 1,000 sites are not all affected simultaneously; instead, only the specific sites bound to Cluster A lose connectivity to that hub, while their neighbors bound to Cluster B remain functional. This approach provides the highest level of regional resiliency and operational stability for high-density retail environments.
NEW QUESTION # 81
A network engineer is troubleshooting a user complaint regarding "slow application performance" for an internal web application. While viewing the Flow Browser in the Prisma SD-WAN portal, the engineer notices that the Server Response Time (SRT) is consistently high (over 500ms), while the Network Transfer Time (NTT) and Round Trip Time (RTT) are low (under 50ms).
What does this data indicate about the root cause of the issue?
Answer: D
Explanation:
Comprehensive and Detailed Explanation
The Flow Browser and App Response Time metrics in Prisma SD-WAN are critical tools for isolating the fault domain-determining whether a problem lies in the "Network" or the "Application."
* Network Transfer Time (NTT) / Round Trip Time (RTT): These metrics measure the time it takes for packets to traverse the network (WAN/LAN) and for acknowledgments to return. A low NTT (e.g.,
<50ms) confirms that the network pipes (SD-WAN overlay, Underlay circuits) are healthy and transporting packets quickly.
* Server Response Time (SRT): This metric specifically measures the time between the server receiving a request and the server sending the first byte of the response. It essentially measures the "processing time" of the backend server.
In the scenario described, the network metrics (NTT/RTT) are excellent, effectively ruling out WAN congestion, packet loss, or latency (Option A and C). However, the Server Response Time (SRT) is very high (500ms). This signature is a definitive indicator that the network delivered the request instantly, but the application server took a long time to process it. This points the troubleshooting effort toward the server infrastructure (e.g., a slow SQL query, an overloaded web server, or lack of compute resources) rather than the SD-WAN environment.
NEW QUESTION # 82
When an ION device has been claimed, the cloud-based controller generates and communicates with the device by which method?
Answer: B
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 # 83
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 # 84
A network administrator is viewing the Flow Browser to investigate a report that a specific user cannot access an internal web server. The flow entry for this traffic shows the "Flow State" as "INIT" and it remains in that state until it times out.
What does the "INIT" state indicate about the traffic flow?
Answer: A
Explanation:
Comprehensive and Detailed Explanation
In the Prisma SD-WAN Flow Browser, the Flow State provides a real-time snapshot of the TCP/UDP session lifecycle.
INIT (Initialization): This state indicates that the ION device has seen the initial packet of a new session (typically a TCP SYN) originating from the client (Source), but it has not yet seen a return packet (such as a TCP SYN-ACK) from the destination server.
Diagnosis: A flow stuck in INIT is a classic indicator of a "Blackhole" or reachability issue downstream. It implies that the ION successfully routed the packet out toward the destination, but the destination did not reply. Common causes include:
The server is offline.
A firewall in the path (or on the server itself) is dropping the traffic.
Routing is broken on the return path (asymmetric routing where the return traffic bypasses the ION).
If the flow had been denied by the ION's own firewall (Option C), the state would typically show as DENY or REJECT. If the handshake completed (Option A), the state would be ESTABLISHED. Therefore, INIT points to a lack of response from the remote end.
NEW QUESTION # 85
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