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[General] Original PSE-Strata-Pro-24 Questions & PSE-Strata-Pro-24 Latest Study Questi

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【General】 Original PSE-Strata-Pro-24 Questions & PSE-Strata-Pro-24 Latest Study Questi

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Palo Alto Networks PSE-Strata-Pro-24 Exam Syllabus Topics:
TopicDetails
Topic 1
  • Architecture and Planning: This section of the exam measures the skills of Network Architects and emphasizes understanding customer requirements and designing suitable deployment architectures. Candidates must explain Palo Alto Networks' platform networking capabilities in detail and evaluate their suitability for various environments. Handling aspects like system sizing and fine-tuning is also a critical skill assessed in this domain.
Topic 2
  • Business Value and Competitive Differentiators: This section of the exam measures the skills of Technical Business Value Analysts and focuses on identifying the value proposition of Palo Alto Networks Next-Generation Firewalls (NGFWs). Candidates will assess the technical business benefits of tools like Panorama and SCM. They will also recognize customer-relevant topics and align them with Palo Alto Networks' best solutions. Additionally, understanding Strata’s unique differentiators is a key component of this domain.
Topic 3
  • Network Security Strategy and Best Practices: This section of the exam measures the skills of Security Strategy Specialists and highlights the importance of the Palo Alto Networks five-step Zero Trust methodology. Candidates must understand how to approach and apply the Zero Trust model effectively while emphasizing best practices to ensure robust network security.
Topic 4
  • Deployment and Evaluation: This section of the exam measures the skills of Deployment Engineers and focuses on identifying the capabilities of Palo Alto Networks NGFWs. Candidates will evaluate features that protect against both known and unknown threats. They will also explain identity management from a deployment perspective and describe the proof of value (PoV) process, which includes assessing the effectiveness of NGFW solutions.

Palo Alto Networks Systems Engineer Professional - Hardware Firewall Sample Questions (Q21-Q26):NEW QUESTION # 21
A prospective customer is interested in Palo Alto Networks NGFWs and wants to evaluate the ability to segregate its internal network into unique BGP environments.
Which statement describes the ability of NGFWs to address this need?
  • A. It can be addressed by creating multiple eBGP autonomous systems.
  • B. It cannot be addressed because PAN-OS does not support it.
  • C. It can be addressed with BGP confederations.
  • D. It cannot be addressed because BGP must be fully meshed internally to work.
Answer: A
Explanation:
Segregating a network into unique BGP environments requires the ability to configure separateeBGP autonomous systems(AS) within the NGFW. Palo Alto Networks firewalls support advanced BGP features, including the ability to create and manage multiple autonomous systems.
* Why "It can be addressed by creating multiple eBGP autonomous systems" (Correct Answer B)?
PAN-OS supports the configuration of multiple eBGP AS environments. By creating unique eBGP AS numbers for different parts of the network, traffic can be segregated and routed separately. This feature is commonly used in multi-tenant environments or networks requiring logical separation for administrative or policy reasons.
* Each eBGP AS can maintain its own routing policies, neighbors, and traffic segmentation.
* This approach allows the NGFW to address the customer's need for segregated internal BGP environments.
* Why not "It cannot be addressed because PAN-OS does not support it" (Option A)?This statement is incorrect because PAN-OS fully supports BGP, including eBGP, iBGP, and features like route reflectors, confederations, and autonomous systems.
* Why not "It can be addressed with BGP confederations" (Option C)?While BGP confederations can logically group AS numbers within a single AS, they are generally used to simplify iBGP designs in very large-scale networks. They are not commonly used for segregating internal environments and are not required for the described use case.
* Why not "It cannot be addressed because BGP must be fully meshed internally to work" (Option D)?Full mesh iBGP is only required in environments without route reflectors. The described scenario does not mention the need for iBGP full mesh; instead, it focuses on segregated environments, which can be achieved with eBGP.

NEW QUESTION # 22
Which statement appropriately describes performance tuning Intrusion Prevention System (IPS) functions on a Palo Alto Networks NGFW running Advanced Threat Prevention?
  • A. To increase performance, disable any threat signatures that do not apply to the environment.
  • B. Work with TAC to run a debug and receive exact measurements of performance utilization for the IPS.
  • C. Create a new threat profile to use only signatures needed for the environment.
  • D. Leave all signatures turned on because they do not impact performance.
Answer: C
Explanation:
* Create a New Threat Profile (Answer B):
* Performance tuning inIntrusion Prevention System (IPS)involves ensuring that only the most relevant and necessary signatures are enabled for the specific environment.
* Palo Alto Networks allows you to createcustom threat profilesto selectively enable signatures that match the threats most likely to affect the environment. This reduces unnecessary resource usage and ensures optimal performance.
* By tailoring the signature set, organizations can focus on real threats without impacting overall throughput and latency.
* Why Not A:
* Leaving all signatures turned on is not a best practice because it may consume excessive resources, increasing processing time and degrading firewall performance, especially in high- throughput environments.
* Why Not C:
* While working with TAC for debugging may help identify specific performance bottlenecks, it is not a recommended approach for routine performance tuning. Instead, proactive configuration changes, such as creating tailored threat profiles, should be made.
* Why Not D:
* Disabling irrelevant threat signatures can improve performance, but this task is effectively accomplished bycreating a new threat profile. Manually disabling signatures one by one is not scalable or efficient.
References from Palo Alto Networks Documentation:
* Threat Prevention Best Practices
* Custom Threat Profile Configuration

NEW QUESTION # 23
A company with a large Active Directory (AD) of over 20,000 groups has user roles based on group membership in the directory. Up to 1,000 groups may be used in Security policies. The company has limited operations personnel and wants to reduce the administrative overhead of managing the synchronization of the groups with their firewalls.
What is the recommended architecture to synchronize the company's AD with Palo Alto Networks firewalls?
  • A. Configure a group mapping profile with custom filters for LDAP attributes that are mapped to the user roles.
  • B. Configure a group mapping profile, without a filter, to synchronize all groups.
  • C. Configure a group mapping profile with an include group list.
  • D. Configure NGFWs to synchronize with the AD after deploying the Cloud Identity Engine (CIE) and agents.
Answer: C
Explanation:
Synchronizing a large Active Directory (AD) with over 20,000 groups can introduce significant overhead if all groups are synchronized, especially when only a subset of groups (e.g., 1,000 groups) are required for Security policies. The most efficient approach is to configure agroupmapping profile with an include group listto minimize unnecessary synchronization and reduce administrative overhead.
* Why "Configure a group mapping profile with an include group list" (Correct Answer C)?Using a group mapping profile with aninclude group listensures that only the required 1,000 groups are synchronized with the firewall. This approach:
* Reduces the load on the firewall's User-ID process by limiting the number of synchronized groups.
* Simplifies management by focusing on the specific groups relevant to Security policies.
* Avoids synchronizing the entire directory (20,000 groups), which would be inefficient and resource-intensive.
* Why not "Configure a group mapping profile, without a filter, to synchronize all groups" (Option B)?Synchronizing all 20,000 groups would unnecessarily increase administrative and resource overhead. This approach contradicts the requirement to reduce administrative burden.
* Why not "Configure a group mapping profile with custom filters for LDAP attributes that are mapped to the user roles" (Option A)?While filtering LDAP attributes can be useful, this approach is more complex to implement and manage compared to an include group list. It does not directly address the problem of limiting synchronization to a specific subset of groups.
* Why not "Configure NGFWs to synchronize with the AD after deploying the Cloud Identity Engine (CIE) and agents" (Option D)?While the Cloud Identity Engine (CIE) is a modern solution for user and group mapping, it is unnecessary in this scenario. A traditional group mapping profile with an include list is sufficient and simpler to implement. CIE is typically used for complex hybrid or cloud environments.

NEW QUESTION # 24
A prospective customer is interested in Palo Alto Networks NGFWs and wants to evaluate the ability to segregate its internal network into unique BGP environments.
Which statement describes the ability of NGFWs to address this need?
  • A. It can be addressed by creating multiple eBGP autonomous systems.
  • B. It can be addressed with BGP confederations.
  • C. It cannot be addressed because PAN-OS does not support it.
  • D. It cannot be addressed because BGP must be fully meshed internally to work.
Answer: B
Explanation:
Step 1: Understand the Requirement and Context
* Customer Need: Segregate the internal network into unique BGP environments, suggesting multiple isolated or semi-isolated routing domains within a single organization.
* BGP Basics:
* BGP is a routing protocol used to exchange routing information between autonomous systems (ASes).
* eBGP: External BGP, used between different ASes.
* iBGP: Internal BGP, used within a single AS, typically requiring a full mesh of peers unless mitigated by techniques like confederations or route reflectors.
* Palo Alto NGFW: Supports BGP on virtual routers (VRs) within PAN-OS, enabling advanced routing capabilities for Strata hardware firewalls (e.g., PA-Series).
* References: "AN-OS supports BGP for dynamic routing and network segmentation" (docs.
paloaltonetworks.com/pan-os/10-2/pan-os-networking-admin/bgp).
Step 2: Evaluate Each Option
Option A: It cannot be addressed because PAN-OS does not support it
* Analysis:
* PAN-OS fully supports BGP, including eBGP, iBGP, confederations, and route reflectors, configurable under "Network > Virtual Routers > BGP."
* Features like multiple virtual routers and BGP allow network segregation and routing policy control.
* This statement contradicts documented capabilities.
* Verification:
* "Configure BGP on a virtual router for dynamic routing" (docs.paloaltonetworks.com/pan-os/10-2
/pan-os-networking-admin/bgp/configure-bgp).
* Conclusion: Incorrect-PAN-OS supports BGP and segregation techniques.Not Applicable.
Option B: It can be addressed by creating multiple eBGP autonomous systems
* Analysis:
* eBGP: Used between distinct ASes, each with a unique AS number (e.g., AS 65001, AS 65002).
* Within a single organization, creating multiple eBGP ASes would require:
* Assigning unique AS numbers (public or private) to each internal segment.
* Treating each segment as a separate AS, peering externally with other segments via eBGP.
* Challenges:
* Internally, this isn't practical for a single network-it's more suited to external peering (e.
g., with ISPs).
* Requires complex management and public/private AS number allocation, not ideal for internal segregation.
* Doesn't leverage iBGP or confederations, which are designed for internal AS management.
* PAN-OS supports eBGP, but this approach misaligns with the intent of internal network segregation.
* Verification:
* "eBGP peers connect different ASes" (docs.paloaltonetworks.com/pan-os/10-2/pan-os- networking-admin/bgp/bgp-concepts).
* Conclusion: Possible but impractical and not the intended BGP solution for internal segregation.Not Optimal.
Option C: It can be addressed with BGP confederations
* Description: BGP confederations divide a single AS into sub-ASes (each with a private Confederation Member AS number), reducing the iBGP full-mesh requirement while maintaining a unified external AS.
* Analysis:
* How It Works:
* Single AS (e.g., AS 65000) is split into sub-ASes (e.g., 65001, 65002).
* Within each sub-AS, iBGP full mesh or route reflectors are used.
* Between sub-ASes, eBGP-like peering (confederation EBGP) connects them, but externally, it appears as one AS.
* Segregation:
* Each sub-AS can represent a unique BGP environment (e.g., department, site) with its own routing policies.
* Firewalls within a sub-AS peer via iBGP; across sub-ASes, they use confederation EBGP.
* PAN-OS Support:
* Configurable under "Network > Virtual Routers > BGP > Confederation" with a Confederation Member AS number.
* Ideal for large internal networks needing segmentation without multiple public AS numbers.
* Benefits:
* Simplifies internal BGP management.
* Aligns with the customer's need for unique internal BGP environments.
* Verification:
* "BGP confederations reduce full-mesh burden by dividing an AS into sub-ASes" (docs.
paloaltonetworks.com/pan-os/10-2/pan-os-networking-admin/bgp/bgp-confederations).
* "Supports unique internal routing domains" (knowledgebase.paloaltonetworks.com).
* Conclusion: Directly addresses the requirement with a supported, practical solution.Applicable.
Option D: It cannot be addressed because BGP must be fully meshed internally to work
* Analysis:
* iBGP Full Mesh: Traditional iBGP requires all routers in an AS to peer with each other, scaling poorly (n(n-1)/2 connections).
* Mitigation: PAN-OS supports alternatives:
* Route Reflectors: Centralize iBGP peering.
* Confederations: Divide the AS into sub-ASes (see Option C).
* This statement ignores these features, falsely claiming BGP's limitation prevents segregation.
* Verification:
* "Confederations and route reflectors eliminate full-mesh needs" (docs.paloaltonetworks.com/pan- os/10-2/pan-os-networking-admin/bgp/bgp-confederations).
* Conclusion: Incorrect-PAN-OS overcomes full-mesh constraints.Not Applicable.
Step 3: Recommendation Justification
* Why Option C?
* Alignment: Confederations allow the internal network to be segregated into unique BGP environments (sub-ASes) while maintaining a single external AS, perfectly matching the customer's need.
* Scalability: Reduces iBGP full-mesh complexity, ideal for large or segmented internal networks.
* PAN-OS Support: Explicitly implemented in BGP configuration, validated by documentation.
* Why Not Others?
* A: False-PAN-OS supports BGP and segregation.
* B: eBGP is for external ASes, not internal segregation; less practical thanconfederations.
* D: Misrepresents BGP capabilities; full mesh isn't required with confederations or route reflectors.
Step 4: Verified References
* BGP Confederations: "Divide an AS into sub-ASes for internal segmentation" (docs.paloaltonetworks.
com/pan-os/10-2/pan-os-networking-admin/bgp/bgp-confederations).
* PAN-OS BGP: "Supports eBGP, iBGP, and confederations for routing flexibility" (paloaltonetworks.
com, PAN-OS Networking Guide).
* Use Case: "Confederations suit large internal networks" (knowledgebase.paloaltonetworks.com).

NEW QUESTION # 25
A customer asks a systems engineer (SE) how Palo Alto Networks can claim it does not lose throughput performance as more Cloud-Delivered Security Services (CDSS) subscriptions are enabled on the firewall.
Which two concepts should the SE explain to address the customer's concern? (Choose two.)
  • A. Advanced Routing Engine
  • B. Parallel Processing
  • C. Management Data Plane Separation
  • D. Single Pass Architecture
Answer: B,D
Explanation:
The customer's question focuses on how Palo Alto Networks Strata Hardware Firewalls maintain throughput performance as more Cloud-Delivered Security Services (CDSS) subscriptions-such as Threat Prevention, URL Filtering, WildFire, DNS Security, and others-are enabled. Unlike traditional firewalls where enabling additional security features often degrades performance, Palo Alto Networks leverages its unique architecture to minimize this impact. The systems engineer (SE) should explain two key concepts-Parallel Processing and Single Pass Architecture-which are foundational to the firewall's ability to sustain throughput. Below is a detailed explanation, verified against Palo Alto Networks documentation.
Step 1: Understanding Cloud-Delivered Security Services (CDSS) and Performance Concerns CDSS subscriptions enhance the Strata Hardware Firewall's capabilities by integrating cloud-based threat intelligence and advanced security features into PAN-OS. Examples include:
* Threat Prevention: Blocks exploits, malware, and command-and-control traffic.
* WildFire: Analyzes unknown files in the cloud for malware detection.
* URL Filtering: Categorizes and controls web traffic.
Traditionally, enabling such services on other firewalls increases processing overhead, as each feature requires separate packet scans or additional hardware resources, leading to latency and throughput loss. Palo Alto Networks claims consistent performance due to its innovative design, rooted in the Single Pass Parallel Processing (SP3) architecture.
Reference: Palo Alto Networks Cloud-Delivered Security Services Overview
"CDSS subscriptions integrate with NGFWs to deliver prevention-oriented security without compromising performance, leveraging the SP3 architecture." Step 2: Explaining the Relevant Concepts The SE should focus on A. Parallel Processing and C. Single Pass Architecture, as these directly address how throughput is maintained when CDSS subscriptions are enabled.
Concept A: Parallel Processing
Definition: Parallel Processing refers to the hardware architecture in Palo Alto Networks NGFWs, where specialized processors handle distinct functions (e.g., networking, security, decryption) simultaneously. This is achieved through a separation of duties across dedicated hardware components, such as the Network Processor, Security Processor, and Signature Matching Processor, all working in parallel.
How It Addresses the Concern: When CDSS subscriptions are enabled, tasks like threat signature matching (Threat Prevention), URL categorization (URL Filtering), or file analysis forwarding (WildFire) are offloaded to specific processors. These operate concurrently rather than sequentially, preventing bottlenecks. The parallel execution ensures that adding more security services doesn't linearly increase processing time or reduce throughput.
Technical Detail:
Network Processor: Handles routing, NAT, and flow lookup.
Security Processor: Manages encryption/decryption and policy enforcement.
Signature Matching Processor: Performs content inspection for threats and CDSS features.
High-speed buses (e.g., 1Gbps in high-end models) connect these processors, enabling rapid data transfer.
Outcome: Throughput remains high because the workload is distributed across parallel hardware resources, not stacked on a single CPU.
Reference: PAN-OS Administrator's Guide (11.1) - Hardware Architecture
"arallel Processing hardware ensures that function-specific tasks are executed concurrently, maintaining performance as security services scale." Concept C: Single Pass Architecture Definition: Single Pass Architecture is the software approach in PAN-OS where a packet is processed once, with all necessary functions-networking, policy lookup, App-ID, User-ID, decryption, and content inspection (including CDSS features)-performed in a single pass. This contrasts with multi-pass architectures, where packets are scanned repeatedly for each enabled feature.
How It Addresses the Concern: When CDSS subscriptions are activated, their inspection tasks (e.g., threat signatures, URL checks) are integrated into the single-pass process. The packet isn't reprocessed for each service; instead, a stream-based, uniform signature-matching engine applies all relevant checks in one go.
This minimizes latency and preserves throughput, as the overhead of additional services is marginal.
Technical Detail:
A packet enters the firewall and is classified by App-ID.
Decryption (if needed) occurs, exposing content.
A single Content-ID engine scans the stream for threats, URLs, and other CDSS-related patterns simultaneously.
Policy enforcement and logging occur without additional passes.
Outcome: Enabling more CDSS subscriptions adds rules to the existing scan, not new processing cycles, ensuring consistent performance.
Reference: Palo Alto Networks Single Pass Architecture Whitepaper
"Single Pass software performs all security functions in one pass, eliminating redundant processing and maintaining high throughput even with multiple services enabled." Step 3: Evaluating the Other Options To confirm A and C are correct, let's examine why B and D don't directly address the throughput concern:
B). Advanced Routing Engine:
Analysis: The Advanced Routing Engine in PAN-OS enhances routing capabilities (e.g., BGP, OSPF) and supports features like path monitoring. While important for network performance, it doesn't directly influence the processing of CDSS subscriptions, which occur at the security and content inspection layers, not the routing layer.
Conclusion: Not relevant to the question.
Reference: PAN-OS Administrator's Guide (11.1) - Routing Overview - "The Advanced Routing Engine optimizes network paths but is separate from security processing." D). Management Data Plane Separation:
Analysis: This refers to the separation of the control plane (management tasks like configuration and logging) and data plane (packet processing). It ensures management tasks don't impact traffic processing but doesn't directly address how CDSS subscriptions affect throughput within the data plane itself.
Conclusion: Indirectly supportive but not a primary explanation.
Reference: PAN-OS Administrator's Guide (11.1) - Hardware Architecture - "Control and data plane separation prevents management load from affecting throughput." Step 4: Tying It Together for the Customer The SE should explain:
Parallel Processing: "Our firewalls use dedicated hardware processors working in parallel for networking, security, and threat inspection. When you enable more CDSS subscriptions, the workload is spread across these processors, so throughput doesn't drop." Single Pass Architecture: "Our software processes each packet once, applying all security checks-including CDSS features-in a single scan. This avoids the performance hit you'd see with other firewalls that reprocess packets for each new service." This dual approach-hardware parallelism and software efficiency-ensures the firewall scales security without sacrificing speed.

NEW QUESTION # 26
......
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