PSE-SWFW-Pro-24 Palo Alto Networks SystemsEngineer Professional - Software Firewall Question and Answers

The question focuses on how VM licenses are created when a company has purchased software NGFW credits and wants to deploy VM-Series firewalls in AWS.

D. Access the Palo Alto Networks Customer Support Portal and create a software NGFW credits deployment profile.This is the correct answer. The process starts in the Palo Alto Networks Customer Support Portal. You create a deployment profile that specifies the number and type of VM-Series licenses you want to deploy. This profile is then used to activate the licenses on the actual VM-Series instances in AWS.

Why other options are incorrect:

A. Access the AWS Marketplace and use the software NGFW credits to purchase the VMs.Youdodeploy the VM-Series instances from the AWS Marketplace (or through other deployment methods like CloudFormation templates), but you don't "purchase" the licenses there. The credits are managed separately through the Palo Alto Networks Customer Support Portal. The Marketplace deployment is for theVM instance itself, not the license.

B. Access the Palo Alto Networks Application Hub and create a new VM profile.The Application Hub is not directly involved in the license creation process. It's more focused on application-level security and content updates.

C. Access the Palo Alto Networks Customer Support Portal and request the creation of a new software NGFW serial number.You don't request individual serial numbers for each VM. The deployment profile manages the allocation of licenses from your pool of credits. While each VMwill havea serial number once deployed, you don't request them individually during this stage. The deployment profile ties the licenses to thedeployment, not individual serial numbers ahead of deployment.

Palo Alto Networks References:

The Palo Alto Networks Customer Support Portal documentation and the VM-Series Deployment Guide are the primary references. Search the support portal (live.paloaltonetworks.com) for "software NGFW credits," "deployment profile," or "VM-Series licensing."

The documentation will describe the following general process:

Purchase software NGFW credits.

Log in to the Palo Alto Networks Customer Support Portal.

Create a deployment profile, specifying the number and type of VM-Series licenses (e.g., VM-Series for AWS, VM-Series for Azure, etc.) you want to allocate from your credits.

Deploy the VM-Series instances in your cloud environment (e.g., from the AWS Marketplace).

Activate the licenses on the VM-Series instances using the deployment profile.

This process confirms that creating a deployment profile in the customer support portal is the correct way to manage and allocate software NGFW licenses.

VM-Series bootstrapping allows for automated initial configuration. Several methods exist for installing licensed content.  

Why A, B, and D are correct:

A. Panorama 10.2 or later to use the content auto push feature:Panorama can push content updates to bootstrapped VM-Series firewalls automatically, streamlining the process. This requires Panorama 10.2 or later.  

B. Complete bootstrapping and either Azure Blob storage or Amazon S3 bucket:You can store the content updates in cloud storage (like S3 or Azure Blob) and configure the VM-Series to retrieve and install them during bootstrapping.

D. Custom-AMI or Azure VM image, with content preloaded:Creating a custom image with the desired content pre-installed is a valid approach. This is particularly useful for consistent deployments.

Why C and E are incorrect:

C. Content-Security-Policy update URL in the init-cfg.txt file:The init-cfg.txt file is used for initial configuration parameters, not for direct content updates. While you can configure the firewall to check for updates after bootstrapping, you don't put the actual content within the init-cfg.txt file.

E. Panorama software licensing plugin:The Panorama software licensing plugin is for managing licenses, not for pushing content updates during bootstrapping.

Palo Alto Networks References:

VM-Series Deployment Guides (AWS, Azure, GCP):These guides detail the bootstrapping process and the various methods for installing content updates.  

Panorama Administrator's Guide:The Panorama documentation describes the content auto-push feature.

These resources confirm that Panorama auto-push, cloud storage, and custom images are valid methods for content installation during bootstrapping.

Cloud NGFW for AWS is a Next-Generation Firewall as a Service. Its key components work together to provide comprehensive network security.

A. Cloud NGFW Resource:This represents the actual deployed firewall instance within your AWS environment. It's the core processing engine that inspects and secures network traffic. The Cloud NGFW resource is deployed in a VPC and associated with subnets, enabling traffic inspection between VPCs, subnets, and to/from the internet.

B. Local or Global Rulestacks:These define the security policies that govern traffic inspection. Rulestacks contain rules that match traffic based on various criteria (e.g., source/destination IP, port, application) and specify the action to take (e.g., allow, deny, inspect). Local Rulestacks are specific to a single Cloud NGFW resource, while Global Rulestacks can be shared across multiple Cloud NGFW resources for consistent policy enforcement.

C. Cloud NGFW Inspector:The Cloud NGFW Inspector is the core component performing the deep packet inspection and applying security policies. It resides within the Cloud NGFW Resource and analyzes network traffic based on the configured rulestacks. It provides advanced threat prevention capabilities, including intrusion prevention (IPS), malware detection, and URL filtering.

D. Amazon S3 bucket:While S3 buckets can be used for logging and storing configuration backups in some firewall deployments, they are not a core component of the Cloud NGFW architecture itself. Cloud NGFW uses its own logging and management infrastructure.

E. Cloud NGFW Tenant:The term "Tenant" is usually associated with multi-tenant architectures where resources are shared among multiple customers. While Palo Alto Networks provides a managed service for Cloud NGFW, the deployment within your AWS account is dedicated and not considered a tenant in the traditional multi-tenant sense. The management of the firewall is done through Panorama or Cloud Management.

References:

While direct, concise documentation specifically listing these three components in this exact format is difficult to pinpoint in a single document, the Palo Alto Networks documentation consistently describes these elements as integral. The concepts are spread across multiple documents and are best understood in context of the overall Cloud NGFW architecture:

Cloud NGFW for AWS Administration Guide:This is the primary resource forunderstanding Cloud NGFW. It details deployment, configuration, and management, covering the roles of the Cloud NGFW resource, rulestacks, and the underlying inspection engine. You can find this documentation on the Palo Alto Networks support portal by searching for "Cloud NGFW for AWS Administration Guide".

AWS:Cloud NGFW for AWS leverages AWS Gateway Load Balancer (GWLB) endpoints. These endpoints require dedicated subnets in your VPC for each Availability Zone where you want to deploy the Cloud NGFW. This ensures high availability and proper traffic routing.  

Let's look at why the other options are not the primary answer:

Google Cloud Platform (GCP):While GCP has its own networking constructs, Cloud NGFW for GCP doesn't have the same dedicated subnet requirement for endpoints as AWS.

Alibaba Cloud:I don't have specific information about Cloud NGFW deployment models for Alibaba Cloud.

Microsoft Azure:Cloud NGFW for Azure integrates with Azure Virtual WAN and doesn't have the same dedicated subnet requirement for endpoints as AWS.

Flex licensing provides flexibility in how you consume Palo Alto Networks firewall capabilities, especially in cloud environments:

A. Licensing additional memory resources to increase session capacity:Flex licensing primarily focuses on CPU cores and does not directly license memory resources. Memory is tied to the instance size you select in the cloud provider.

B. Licensing Strata Cloud Manager, Panorama with Dedicated Log Collectors, and CDSS per deployment profile:Strata Cloud Manager, Panorama, and CDSS are licensed separately and are not part of the flex licensing model for VM-Series.

C. Using a pool of credits for both CN-Series firewall and VM-Series firewall deployment profiles:This is a key benefit of flex licensing. You can use a shared pool of credits to deploy both CN-Series (containerized) and VM-Series (virtual machine) firewalls, providing flexibility in your deployment strategy.

D. Moving credits between public and private cloud VM-Series firewall deployments:This is another significant advantage. Flex licensing allows you to transfer credits between public cloud (AWS, Azure, GCP) and private cloud VM-Series deployments, optimizing resource utilization and cost.

E. Vertically scaling the number of licensed cores in an existing fixed deployment profile:Flex licensing allows you to dynamically adjust the number of licensed cores for your VM-Series firewalls. This vertical scaling enables you to meet changing performance demands without needing to redeploy or reconfigure your firewalls significantly.

References:

Palo Alto Networks Flex Licensing documentation:Search for "Flex Licensing" on the Palo Alto Networks support portal. This documentation provides detailed information about the flex licensing model, including the benefits and use cases.

This documentation confirms that sharing credits between CN-Series and VM-Series, moving credits between public and private clouds, and vertically scaling licensed cores are core benefits of flex licensing.

CN-Series firewalls are containerized firewalls designed for Kubernetes environments. They support key next-generation firewall features:

A. App-ID:This isSUPPORTED. App-ID is a core technology of Palo Alto Networks firewalls, enabling identification and control of applications regardless of port, protocol, orevasive techniques. CN-Series firewalls leverage App-ID to provide granular application visibility and control within containerized environments.

Advanced CDSS subscriptions offer enhanced threat prevention capabilities:

A. To improve firewall throughput by inspecting hashes of advanced packet headers:While some security features use hashing, this is not the primary advantage of advanced CDSS.

B. To download and install new threat-related signature databases in real-time:Both standard and advanced CDSS subscriptions receive regular threat updates.

C. To use cloud-scale machine learning inline for detection of highly evasive and zero-day threats:This is a key differentiator of advanced CDSS. It leverages cloud-based machine learning to detect sophisticated threats that traditional signature-based methods might miss.

D. To use external dynamic lists for blocking known malicious threat sources and destinations:Both standard and advanced CDSS can use external dynamic lists.

References:

Information about the specific features of advanced CDSS, such as inline machine learning, can be found on the Palo Alto Networks website and in datasheets comparing different CDSS subscription levels.

The question asks about Cloud NGFW management tasks performed inherently by the service within AWS and Azure. This means we are looking for tasks that are automated and handled by the Cloud NGFW service itself, not by the customer.

Here's a breakdown of why A, B, and C are correct and why D and E are incorrect, referencing relevant Palo Alto Networks documentation where possible (though specific, publicly accessible documentation on the inner workings of the managed service is limited, the principles are consistent with their general cloud and firewall offerings):

A. Horizontally scaling out to meet increased traffic demand: This is a core feature of cloud-native services. Cloud NGFW is designed to automatically scale its resources (compute, memory, etc.) based on traffic volume. This eliminates the need for manual intervention by the customer to provision or de-provision resources. This aligns with the general principles of cloud elasticity and autoscaling, which are fundamental to cloud-native services like Cloud NGFW. While explicit public documentation detailing the exact scaling mechanism is limited, it's a standard practice for cloud-based services and is implied in the general description of Cloud NGFW as a managed service.

B. Installing new content (applications and threats): Palo Alto Networks maintains the threat intelligence and application databases for Cloud NGFW. This means that updates to these databases, which are crucial for identifying and blocking threats, are automatically pushed to the service by Palo Alto Networks. Customers do not need to manually download or install these updates. This is consistent with how Palo Alto Networks manages its other security services, such as Threat Prevention and WildFire, where content updates are delivered automatically.

C. Installing new PAN-OS software updates: Just like content updates, PAN-OS software updates are also managed by Palo Alto Networks for Cloud NGFW. This ensures that the service is always running the latest and most secure version of the operating system. This removes the operational burden of managing software updates from the customer. This is a key advantage of a managed service.

D. Blocking high-risk S2C threats in accordance with SOC2 compliance: While Cloud NGFW does block threats, including server-to-client (S2C) threats, the management of this blocking is not inherently performed by the service in the context of SOC2 compliance. SOC2 is an auditing framework, and compliance is the customer's responsibility. The service provides the tools to achieve security controls, but demonstrating and maintaining compliance is the customer's task. The service does not inherently manage the compliance process itself.

E. Decrypting high-risk SSL traffic: While Cloud NGFW can decrypt SSL traffic for inspection (SSL Forward Proxy), the question asks about tasks inherently performed by the service. Decryption is a configurable option. Customers choose whether or not to enable SSL decryption. It is not something the service automatically does without explicit configuration. Therefore, it's not an inherent management task performed by the service.

In summary, horizontal scaling, content updates, and PAN-OS updates are all handled automatically by the Cloud NGFW service, making A, B, and C the correct answers. D and E involve customer configuration or compliance considerations, not inherent management tasks performed by the service itself.

The CN-Series firewalls are containerized firewalls designed to protect Kubernetes environments. They offer several deployment methods to integrate with Kubernetes orchestration.

A. Terraform templates:Terraform is an Infrastructure-as-Code (IaC) tool that allows you to define and provision infrastructure using declarative configuration files.1Palo Alto Networks provides Terraform modules and examples to deploy CN-Series firewalls, enabling automated and repeatable deployments.  

1. prathmeshh.hashnode.dev

prathmeshh.hashnode.dev

B. Panorama plugin for Kubernetes:While Panorama is used to manage CN-Series firewalls centrally, there isn't a direct "Panorama plugin for Kubernetes" fordeployingthe firewalls themselves. Panorama is used formanagementafter they're deployed using other methods.

C. YAML file:Kubernetes uses YAML files (manifests) to define the desired state of deployments, including pods, services, and other resources. You can deploy CN-Series firewalls by creating YAML files that define the necessary Kubernetes objects, such as Deployments, Services, and ConfigMaps. This is a core method for Kubernetes deployments.

D. Helm charts:Helm is a package manager for Kubernetes. Helm charts package Kubernetes resources, including YAML files, into reusable and shareable units. Palo Alto Networks provides Helm charts for deploying CN-Series firewalls, simplifying the deployment process and managing updates.

E. Docker Swarm:Docker Swarm is a container orchestration tool, but CN-Series firewalls are specifically designed for Kubernetes and are not deployed using Docker Swarm.

References:

The Palo Alto Networks documentation clearly outlines these deployment methods:

CN-Series Deployment Guide:This is the primary resource for deploying CN-Series firewalls. It provides detailed instructions and examples for using Terraform, YAML files, and Helm charts. You can find this on the Palo Alto Networks support portal by searching for "CN-Series Deployment Guide".

Strata Cloud Manager (SCM) is designed to simplify the management and operations of Palo Alto Networks next-generation firewalls. It provides centralized management and visibility across various deployment models. Based on official Palo Alto Networks documentation, SCM directly supports the following firewall platforms:

B. CN-Series firewalls:SCM is used to manage containerized firewalls deployed in Kubernetes environments. It facilitates tasks like policy management, upgrades, and monitoring for CN-Series firewalls. This is clearly documented in Palo Alto Networks' CN-Series documentation and SCM administration guides.

D. PA-Series firewalls:SCM provides comprehensive management capabilities for hardware-based PA-Series firewalls. This includes tasks like device onboarding, configuration management, software updates, and log analysis. This is a core function of SCM and is extensively covered in their official documentation.

E. VM-Series firewalls:SCM also supports VM-Series firewalls deployed in various public and private cloud environments. It offers similar management capabilities as for PA-Series, including configuration, policy enforcement, and lifecycle management. This is explicitly mentioned in Palo Alto Networks' VM-Series and SCM documentation.

Why other options are incorrect:

A. Prisma Cloud:Prisma Cloud is a separate cloud security platform that focuses on cloud workload protection, cloud security posture management (CSPM), and cloud infrastructure entitlement management (CIEM). While there might be integrations between Prisma Cloud and other Palo Alto Networks products, Prisma Cloud itself is not directly managedbyStrata Cloud Manager. They are distinct platforms with different focuses.

C. Prisma Access:Prisma Access is a cloud-delivered security platform that provides secure access to applications and data for remote users and branch offices. Like Prisma Cloud, it's a separate product, and while it integrates with other Palo Alto Networks offerings, it is not managedbyStrata Cloud Manager. It has its own dedicated management plane.

Palo Alto Networks provides various reference architectures for deploying VM-Series firewalls in different cloud environments. Let's examine the options:

A. Cloud NGFW for AWS: Combined Model:While Cloud NGFWisan offering, the term "Combined Model" isn't a standard, documented reference architecture name. Cloud NGFW for AWS focuses on simplified deployment and management but doesn't use this specific terminology for its deployment models.

B. AWS VM-Series: Isolated Transit Gateway:This is aVALIDdeployment model. It involves deploying VM-Series firewalls in an isolated VPC connected to AWS Transit Gateway. This provides centralized security inspection for traffic flowing between different VPCs and on-premises networks connected to the Transit Gateway.

After a successful software firewall demonstration, the sales team can offer additional services to facilitate the customer's adoption and ongoing management:

A. Hardware collection and recycling services by Palo Alto Networks or by an approved NextWave Partner for the customer’s existing firewall infrastructure:While some partners might offer recycling services independently, this isn't a standard offering directly tied to the Palo Alto Networks sales processbeforea sale is completed. Recycling or trade-in programs are often handled separately or after a purchase.

B. Professional services delivered by Palo Alto Networks or by an approved Certified Professional Services Partner (CPSP) for deployment assistance or QuickStart:This is a common and valuable offering. Professional services can help customers with initial deployment, configuration, and knowledge transfer, ensuring a smooth transition and maximizing the value of the firewall. QuickStart packages are a specific type of professional service designed for rapid deployment.

C. Network encryption services (NES) delivered by an approved NES partner to ensure none of the data traversed is readable by third-party entities:While encryption is a crucial aspect of security, offering separate NES services from a specific "NES partner" isn't a standard pre-sales offering related to firewall deployment. The NGFW itself provides various encryption capabilities (e.g., VPNs, SSL decryption).

D. Managed services delivered by an approved Managed Security Services Program (MSSP) partner for day-to-day management of the environment:Offering managed services is a common pre-sales option. MSSPs can handle ongoing monitoring, management, and maintenance of the firewall, allowing the customer to focus on their corebusiness.

References:

Information about these services can be found on the Palo Alto Networks website and partner portal:

Partner programs:Information about CPSPs and MSSPs can be found in the Palo Alto Networks partner program documentation.

Professional services:Details about Palo Alto Networks professional services offerings, including QuickStart packages, are available on their website.

These resources confirm that professional services (including QuickStart) and managed services are standard pre-sales options.

The scenario describes a need for programmatic and automated updating of a custom URL category on a Palo Alto Networks firewall. The XML API is specifically designed for this kind of task. It allows external systems and scripts to interact with the firewall's configuration and operational data.

Here's why the XML API is the appropriate solution and why the other options are not:

D. XML API:The XML API provides a well-defined interface for making changes to the firewall's configuration. This includes creating, modifying, and deleting URL categories and adding or removing URLs within those categories. A script can be written to retrieve the list of "bad sites" from the company's application and then use the XML API to push those URLs into the custom URL category on the firewall. This process can be automated on a schedule. This is the most efficient and recommended method for this type of integration.

Why other options are incorrect:

A. Dynamic User Groups:Dynamic User Groups are used to dynamically group users based on attributes like username, group membership, or device posture. They are not relevant for managing URL categories.

B. SNMP SET:SNMP (Simple Network Management Protocol) is primarily used for monitoring and retrieving operational data from network devices. While SNMP can be used to make some configuration changes, it is not well-suited for complex configuration updates like adding multiple URLs to a category. The XML API is the preferred method for configuration changes.

C. Dynamic Address Groups:Dynamic Address Groups are used to dynamically populate address groups based on criteria like tags, IP addresses, or FQDNs. They are intended for managing IP addresses and not URLs, so they are not applicable to this scenario.

Palo Alto Networks References:

The primary reference for this is the Palo Alto Networks XML API documentation. Searching the Palo Alto Networks support site (live.paloaltonetworks.com) for "XML API" will provide access to the latest documentation. This documentation details the various API calls available, including those for managing URL categories.

Specifically, you would look for API calls related to:

Creating or modifying custom URL categories.

Adding or removing URLs from a URL category.

The XML API documentation provides examples and detailed information on how to construct the XML requests and interpret the responses. This is crucial for developing a script to automate the URL updates.

Ansible interacts with PAN-OS through its API.

Why C is correct:Ansible uses the PAN-OS XML API to manage configurations. This allows for programmatic interaction and automation.  

Why A, B, and D are incorrect:

A. Ansible can only be used to automate configuration changes on physical firewalls but not virtual firewalls:Ansible can manage both physical (PA-Series) and virtual (VM-Series, CN-Series) firewalls.

B. Ansible requires direct access to the firewall’s CLI to make changes:Ansible doesnotrequire direct CLI access. It uses the API, which is more structured and secure.

D. Ansible requires the use of Python to create playbooks:While Ansible playbooks are written in YAML, you don't need to write Python code directly. Ansible modules handle the underlying API interactions. The pan-os-python SDK is a separate tool thatcanbe used for more complex automation tasks, but it's not required for basic Ansible playbooks.

Palo Alto Networks References:

Ansible Collections for Palo Alto Networks:These collections, available on Ansible Galaxy, provide modules for interacting with PAN-OS via the API.  

Palo Alto Networks Documentation on API Integration:The API documentation describes how to use the XML API for configuration management.

Palo Alto Networks GitHub Repositories:Palo Alto Networks provides examples and resources on using Ansible with PAN-OS.

The question asks about a capability common to VM-Series deployments across Azure, GCP, and AWS, as described in the "Securing Applications" design guides.

C. Horizontal scalability through cloud-native load balancers:This is the correct answer. A core concept in cloud deployments, and emphasized in the "Securing Applications" guides, is using cloud-native load balancers (like Azure Load Balancer, Google Cloud Load Balancing, and AWS Elastic Load Balancing) to distribute traffic across multiple VM-Series firewall instances. This provides horizontal scalability, high availability, and fault tolerance. This is common across all three major cloud providers.  

Why other options are incorrect:

A. BGP dynamic routing to peer with cloud and on-premises routers:While BGP is supported by VM-Series and can be used for dynamic routing in cloud environments, it is not explicitly highlighted as acommoncapability across all three clouds in the "SecuringApplications" guides. The guides focus more on the application security aspects and horizontal scaling. Also, the specific BGP configurations and integrations can differ slightly between cloud providers.

B. GlobalProtect portal and gateway services:While GlobalProtect can be used with VM-Series in cloud environments, the "Securing Applications" guides primarily focus on securing application trafficwithinthe cloud environment, not remote access. GlobalProtect is more relevant for remote user access or site-to-site VPNs, which are not the primary focus of these guides.

D. Site-to-site VPN:While VM-Series firewalls support site-to-site VPNs in all three clouds, this is not the core focus or common capability highlighted in the "Securing Applications" guides. These guides emphasize securing application traffic within the cloud using techniques like microsegmentation and horizontal scaling.

Palo Alto Networks References:

The key reference here is the "Securing Applications" design guides for VM-Series firewalls. These guides are available on the Palo Alto Networks support site (live.paloaltonetworks.com). Searching for "VM-Series Securing Applications" along with the name of the respective cloud provider (Azure, GCP, AWS) will usually provide the relevant guides