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Palo Alto Networks NetSec-Analyst 認定試験の出題範囲：

トピック	出題範囲
トピック 1	Object Configuration Creation and Application: This section of the exam measures the skills of Network Security Analysts and covers the creation, configuration, and application of objects used across security environments. It focuses on building and applying various security profiles, decryption profiles, custom objects, external dynamic lists, and log forwarding profiles. Candidates are expected to understand how data security, IoT security, DoS protection, and SD-WAN profiles integrate into firewall operations. The objective of this domain is to ensure analysts can configure the foundational elements required to protect and optimize network security using Strata Cloud Manager.
トピック 2	Troubleshooting: This section of the exam measures the skills of Technical Support Analysts and covers the identification and resolution of configuration and operational issues. It includes troubleshooting misconfigurations, runtime errors, commit and push issues, device health concerns, and resource usage problems. This domain ensures candidates can analyze failures across management systems and on-device functions, enabling them to maintain a stable and reliable security infrastructure.
トピック 3	Management and Operations: This section of the exam measures the skills of Security Operations Professionals and covers the use of centralized management tools to maintain and monitor firewall environments. It focuses on Strata Cloud Manager, folders, snippets, automations, variables, and logging services. Candidates are also tested on using Command Center, Activity Insights, Policy Optimizer, Log Viewer, and incident-handling tools to analyze security data and improve the organization overall security posture. The goal is to validate competence in managing day-to-day firewall operations and responding to alerts effectively.
トピック 4	Policy Creation and Application: This section of the exam measures the abilities of Firewall Administrators and focuses on creating and applying different types of policies essential to secure and manage traffic. The domain includes security policies incorporating App-ID, User-ID, and Content-ID, as well as NAT, decryption, application override, and policy-based forwarding policies. It also covers SD-WAN routing and SLA policies that influence how traffic flows across distributed environments. The section ensures professionals can design and implement policy structures that support secure, efficient network operations.

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Palo Alto Networks Network Security Analyst 認定 NetSec-Analyst 試験問題 (Q114-Q119):

質問 # 114
Which rule type is appropriate for matching traffic both within and between the source and destination zones?

A. interzone
B. shadowed
C. intrazone
D. universal

正解：A

質問 # 115
An administrator needs to allow users to use their own office applications. How should the administrator configure the firewall to allow multiple applications in a dynamic environment?

A. Create an Application Filter and name it Office Programs, the filter it on the business-systems category, office-programs subcategory
B. Create an Application Filter and name it Office Programs, then filter it on the business-systems category
C. Create an Application Group and add business-systems to it
D. Create an Application Group and add Office 365, Evernote, Google Docs, and Libre Office

正解：A

解説：
An application filter is an object that dynamically groups applications based on application attributes that you define, including category, subcategory, technology, risk factor, and characteristic. This is useful when you want to safely enable access to applications that you do not explicitly sanction, but that you want users to be able to access. For example, you may want to enable employees to choose their own office programs (such as Evernote, Google Docs, or Microsoft Office 365) for business use. To safely enable these types of applications, you could create an application filter that matches on the Category business-systems and the Subcategory office-programs. As new applications office programs emerge and new App-IDs get created, these new applications will automatically match the filter you defined; you will not have to make any additional changes to your policy rulebase to safely enable any application that matches the attributes you defined for the filter.
https://docs.paloaltonetworks.com/pan-os/9-0/pan-os-admin/app-id/use-application-objects-in -policy/create-an-application-filter.html

質問 # 116
A Palo Alto Networks firewall is configured with an External Dynamic List of type 'URL' for blocking known malicious URLs. The list is extensive, containing millions of entries. The security team notices a significant increase in firewall management plane CPU utilization and occasional delays in policy commit operations after implementing this large EDL. Which two adjustments or considerations are most critical to mitigate these performance impacts without compromising security efficacy?

A. Split the single large EDL into multiple smaller EDLs based on threat categories or geography.
B. Utilize a dedicated log collector or Panorama appliance to offload EDL processing.
C. Consider upgrading the firewall model to one with higher management plane resources and more memory.
D. Ensure the EDL source server is highly available and responsive to minimize timeout errors.
E. Reduce the EDL's 'Repeat' refresh interval to a longer duration (e.g., from hourly to daily).

正解：C、E

解説：
Handling extremely large EDLs can significantly impact firewall performance, especially the management plane. Option A (Correct): Reducing the refresh frequency is a primary mitigation. Each refresh involves downloading, parsing, and committing the EDL entries, which are CPU-intensive operations on the management plane. Fewer refreshes mean less overhead. Option E (Correct): For 'millions of entries,' the current firewall model might simply be undersized. Larger EDLs consume more memory and require more CPU cycles for processing and lookup, directly impacting management plane performance. Upgrading to a model with more resources is a direct solution. Option B is important for successful updates, but it doesn't directly address the firewall's internal processing burden once the file is downloaded. Option C might help organize but doesn't fundamentally reduce the total number of entries the firewall has to process or store. The aggregate impact remains. Option D (log collector/Panorama) is for log processing and centralized management; it does not offload the firewall's internal EDL processing.

質問 # 117
What is the benefit of the Command Center's centralized dashboard in Strata Cloud Manager (SCM)?

A. Monitoring encryption for network performance optimization
B. Monitoring and managing threats and operational health
C. Using AI to predict and prevent potential security incidents
D. Automatically patching security vulnerabilities

正解：B

解説：
Comprehensive and Detailed 150 to 250 words of Explanation From Palo Alto Networks Network Security Analyst Knowledge:
The Command Center in Strata Cloud Manager (SCM) is designed as the "single pane of glass" for modern network security operations. Its primary benefit is providing a unified, centralized dashboard that aggregates data across the entire security estate, including Next-Generation Firewalls (NGFWs), Prisma Access, and Prisma SD-WAN.
By utilizing the Command Center, a Network Security Analyst can gain real-time visibility into two critical areas: security posture (threats, vulnerabilities, and risky applications) and operational health (device status, connectivity, and performance metrics). This centralized view eliminates the need for analysts to pivot between different management consoles to understand the global health of their network. The dashboard highlights critical threats that require immediate attention and provides health scores for devices, allowing for proactive troubleshooting of potential outages before they impact the business. While SCM does leverage AI (AIOps) for predictive analysis, the fundamental "benefit" of the Command Center dashboard itself, as defined in Palo Alto Networks documentation, is the holistic monitoring and management of threats and health across the distributed enterprise.

質問 # 118
What is the main function of Policy Optimizer?

A. reduce load on the management plane by highlighting combinable security rules
B. convert port-based security rules to application-based security rules
C. eliminate "Log at Session Start" security rules
D. migrate other firewall vendors' security rules to Palo Alto Networks configuration

正解：B

解説：
Explanation/Reference:

質問 # 119
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