Paloalto Networks PSE-Strata-Pro-24 Practice Exams
Last updated on Oct 21,2026- Exam Code: PSE-Strata-Pro-24
- Exam Name: Palo Alto Networks Systems Engineer Professional - Hardware Firewall
- Certification Provider: Paloalto Networks
- Latest update: Oct 21,2026
Question #41
A systems engineer (SE) successfully demonstrates NGFW managed by Strata Cloud Manager (SCM) to a company. In the resulting planning phase of the proof of value (POV), the CISO requests a test that shows how the security policies are either meeting, or are progressing toward meeting, industry standards such as Critical Security Controls (CSC), and how the company can verify that it is effectively utilizing the functionality purchased.
During the POV testing timeline, how should the SE verify that the POV will meet the CISO’s request?
- A . Near the end, pull a Security Lifecycle Review (SLR) in the POV and create a report for the customer.
- B . At the beginning, work with the customer to create custom dashboards and reports for any information required, so reports can be pulled as needed by the customer.
- C . Near the end, the customer pulls information from these SCM dashboards: Best Practices, CDSS Adoption, and NGFW Feature Adoption.
- D . At the beginning, use PANhandler golden images that are designed to align to compliance and to turning on the features for the CDSS subscription being tested.
Correct Answer: A
A
Explanation:
Security Lifecycle Review (SLR) (Answer A):
The Security Lifecycle Review (SLR) is a detailed report generated by Palo Alto Networks firewalls that provides visibility into application usage, threats, and policy alignment with industry standards.
During the POV, running an SLR near the end of the timeline allows the customer to see:
How well their current security policies align with Critical Security Controls (CSC) or other industry standards.
Insights into application usage and threats discovered during the POV.
This provides actionable recommendations for optimizing policies and ensuring the purchased functionality is being effectively utilized.
Why Not B:
While creating custom dashboards and reports at the beginning might provide useful insights, the question focuses on verifying progress toward meeting CSC standards. This is specifically addressed by the SLR, which is designed to measure and report on such criteria.
Why Not C:
Pulling information from SCM dashboards like Best Practices and Feature Adoption can help assess firewall functionality but may not provide a comprehensive review of compliance or CSC alignment, as the SLR does.
Why Not D:
While PANhandler golden images can help configure features in alignment with specific subscriptions or compliance goals, they are primarily used to deploy predefined templates, not to assess security policy effectiveness or compliance with CSC standards.
Reference from Palo Alto Networks Documentation:
Security Lifecycle Review Overview
Strata Cloud Manager Dashboards
A
Explanation:
Security Lifecycle Review (SLR) (Answer A):
The Security Lifecycle Review (SLR) is a detailed report generated by Palo Alto Networks firewalls that provides visibility into application usage, threats, and policy alignment with industry standards.
During the POV, running an SLR near the end of the timeline allows the customer to see:
How well their current security policies align with Critical Security Controls (CSC) or other industry standards.
Insights into application usage and threats discovered during the POV.
This provides actionable recommendations for optimizing policies and ensuring the purchased functionality is being effectively utilized.
Why Not B:
While creating custom dashboards and reports at the beginning might provide useful insights, the question focuses on verifying progress toward meeting CSC standards. This is specifically addressed by the SLR, which is designed to measure and report on such criteria.
Why Not C:
Pulling information from SCM dashboards like Best Practices and Feature Adoption can help assess firewall functionality but may not provide a comprehensive review of compliance or CSC alignment, as the SLR does.
Why Not D:
While PANhandler golden images can help configure features in alignment with specific subscriptions or compliance goals, they are primarily used to deploy predefined templates, not to assess security policy effectiveness or compliance with CSC standards.
Reference from Palo Alto Networks Documentation:
Security Lifecycle Review Overview
Strata Cloud Manager Dashboards
Question #42
Which technique is an example of a DNS attack that Advanced DNS Security can detect and prevent?
- A . High entropy DNS domains
- B . Polymorphic DNS
- C . CNAME cloaking
- D . DNS domain rebranding
Correct Answer: A
A
Explanation:
Advanced DNS Security on Palo Alto Networks firewalls is designed to identify and prevent a wide range of DNS-based attacks. Among the listed options, "High entropy DNS domains" is a specific example of a DNS attack that Advanced DNS Security can detect and block.
Why "High entropy DNS domains" (Correct Answer A)?
High entropy DNS domains are often used in attacks where randomly generated domain names (e.g., gfh34ksdu.com) are utilized by malware or bots to evade detection. This is a hallmark of Domain Generation Algorithms (DGA)-based attacks. Palo Alto Networks firewalls with Advanced DNS Security use machine learning to detect such domains by analyzing the entropy (randomness) of DNS queries. High entropy values indicate the likelihood of a dynamically generated or malicious domain.
Why not "Polymorphic DNS" (Option B)?
While polymorphic DNS refers to techniques that dynamically change DNS records to avoid detection, it is not specifically identified as an attack type mitigated by Advanced DNS Security in Palo Alto Networks documentation. The firewall focuses more on the behavior of DNS queries, such as detecting DGA domains or anomalous DNS traffic patterns.
Why not "CNAME cloaking" (Option C)?
CNAME cloaking involves using CNAME records to redirect DNS queries to malicious or hidden domains. Although Palo Alto firewalls may detect and block malicious DNS redirections, the focus of Advanced DNS Security is primarily on identifying patterns of DNS abuse like DGA domains, tunneling, or high entropy queries.
Why not "DNS domain rebranding" (Option D)?
DNS domain rebranding involves changing the domain names associated with malicious activity to evade detection. This is typically a tactic used for persistence but is not an example of a DNS attack type specifically addressed by Advanced DNS Security.
Advanced DNS Security focuses on dynamic, real-time identification of suspicious DNS patterns, such as high entropy domains, DNS tunneling, or protocol violations. High entropy DNS domains are directly tied to attack mechanisms like DGAs, making this the correct answer.
Reference: According to Palo Alto Networks Advanced DNS Security documentation, detecting high entropy domains is a core feature of the service, leveraging machine learning and behavioral analysis to identify and block such malicious activities.
A
Explanation:
Advanced DNS Security on Palo Alto Networks firewalls is designed to identify and prevent a wide range of DNS-based attacks. Among the listed options, "High entropy DNS domains" is a specific example of a DNS attack that Advanced DNS Security can detect and block.
Why "High entropy DNS domains" (Correct Answer A)?
High entropy DNS domains are often used in attacks where randomly generated domain names (e.g., gfh34ksdu.com) are utilized by malware or bots to evade detection. This is a hallmark of Domain Generation Algorithms (DGA)-based attacks. Palo Alto Networks firewalls with Advanced DNS Security use machine learning to detect such domains by analyzing the entropy (randomness) of DNS queries. High entropy values indicate the likelihood of a dynamically generated or malicious domain.
Why not "Polymorphic DNS" (Option B)?
While polymorphic DNS refers to techniques that dynamically change DNS records to avoid detection, it is not specifically identified as an attack type mitigated by Advanced DNS Security in Palo Alto Networks documentation. The firewall focuses more on the behavior of DNS queries, such as detecting DGA domains or anomalous DNS traffic patterns.
Why not "CNAME cloaking" (Option C)?
CNAME cloaking involves using CNAME records to redirect DNS queries to malicious or hidden domains. Although Palo Alto firewalls may detect and block malicious DNS redirections, the focus of Advanced DNS Security is primarily on identifying patterns of DNS abuse like DGA domains, tunneling, or high entropy queries.
Why not "DNS domain rebranding" (Option D)?
DNS domain rebranding involves changing the domain names associated with malicious activity to evade detection. This is typically a tactic used for persistence but is not an example of a DNS attack type specifically addressed by Advanced DNS Security.
Advanced DNS Security focuses on dynamic, real-time identification of suspicious DNS patterns, such as high entropy domains, DNS tunneling, or protocol violations. High entropy DNS domains are directly tied to attack mechanisms like DGAs, making this the correct answer.
Reference: According to Palo Alto Networks Advanced DNS Security documentation, detecting high entropy domains is a core feature of the service, leveraging machine learning and behavioral analysis to identify and block such malicious activities.
Question #43
Device-ID can be used in which three policies? (Choose three.)
- A . Security
- B . Decryption
- C . Policy-based forwarding (PBF)
- D . SD-WAN
- E . Quality of Service (QoS)
Correct Answer: A, C, E
A, C, E
Explanation:
Device-ID is a feature in Palo Alto Networks firewalls that identifies devices based on their unique attributes (e.g., MAC addresses, device type, operating system). Device-ID can be used in several policy types to provide granular control.
Here’s how it applies to each option:
Option A: Security
Device-ID can be used in Security policies to enforce rules based on the device type or identity. For example, you can create policies that allow or block traffic for specific device types (e.g., IoT devices).
This is correct.
Option B: Decryption
Device-ID cannot be used in decryption policies. Decryption policies are based on traffic types, certificates, and other SSL/TLS attributes, not device attributes.
This is incorrect.
Option C: Policy-based forwarding (PBF)
Device-ID can be used in PBF policies to control the forwarding of traffic based on the identified device. For example, you can route traffic from certain device types through specific ISPs or VPN tunnels.
This is correct.
Option D: SD-WAN
SD-WAN policies use metrics such as path quality (e.g., latency, jitter) and application information for traffic steering. Device-ID is not a criterion used in SD-WAN policies.
This is incorrect.
Option E: Quality of Service (QoS)
Device-ID can be used in QoS policies to apply traffic shaping or bandwidth control for specific devices. For example, you can prioritize or limit bandwidth for traffic originating from IoT devices or specific endpoints.
This is correct.
Reference: Palo Alto Networks documentation on Device-ID
A, C, E
Explanation:
Device-ID is a feature in Palo Alto Networks firewalls that identifies devices based on their unique attributes (e.g., MAC addresses, device type, operating system). Device-ID can be used in several policy types to provide granular control.
Here’s how it applies to each option:
Option A: Security
Device-ID can be used in Security policies to enforce rules based on the device type or identity. For example, you can create policies that allow or block traffic for specific device types (e.g., IoT devices).
This is correct.
Option B: Decryption
Device-ID cannot be used in decryption policies. Decryption policies are based on traffic types, certificates, and other SSL/TLS attributes, not device attributes.
This is incorrect.
Option C: Policy-based forwarding (PBF)
Device-ID can be used in PBF policies to control the forwarding of traffic based on the identified device. For example, you can route traffic from certain device types through specific ISPs or VPN tunnels.
This is correct.
Option D: SD-WAN
SD-WAN policies use metrics such as path quality (e.g., latency, jitter) and application information for traffic steering. Device-ID is not a criterion used in SD-WAN policies.
This is incorrect.
Option E: Quality of Service (QoS)
Device-ID can be used in QoS policies to apply traffic shaping or bandwidth control for specific devices. For example, you can prioritize or limit bandwidth for traffic originating from IoT devices or specific endpoints.
This is correct.
Reference: Palo Alto Networks documentation on Device-ID
Question #44
Which statement appropriately describes performance tuning Intrusion Prevention System (IPS) functions on a Palo Alto Networks NGFW running Advanced Threat Prevention?
- A . Leave all signatures turned on because they do not impact performance.
- B . Create a new threat profile to use only signatures needed for the environment.
- C . Work with TAC to run a debug and receive exact measurements of performance utilization for the IPS.
- D . To increase performance, disable any threat signatures that do not apply to the environment.
Correct Answer: B
B
Explanation:
Create a New Threat Profile (Answer B):
Performance tuning in Intrusion 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 create custom threat profiles to 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 by creating a new threat profile. Manually disabling signatures one by one is not scalable or efficient.
Reference from Palo Alto Networks Documentation:
Threat Prevention Best Practices
Custom Threat Profile Configuration
B
Explanation:
Create a New Threat Profile (Answer B):
Performance tuning in Intrusion 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 create custom threat profiles to 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 by creating a new threat profile. Manually disabling signatures one by one is not scalable or efficient.
Reference from Palo Alto Networks Documentation:
Threat Prevention Best Practices
Custom Threat Profile Configuration
Question #45
Which two statements correctly describe best practices for sizing a firewall deployment with decryption enabled? (Choose two.)
- A . SSL decryption traffic amounts vary from network to network.
- B . Large average transaction sizes consume more processing power to decrypt.
- C . Perfect Forward Secrecy (PFS) ephemeral key exchange algorithms such as Diffie-Hellman Ephemeral (DHE) and Elliptic-Curve Diffie-Hellman Exchange (ECDHE) consume more processing resources than Rivest-Shamir-Adleman (RSA) algorithms.
- D . Rivest-Shamir-Adleman (RSA) certificate authentication method (not the RSA key exchange algorithm) consumes more resources than Elliptic Curve Digital Signature Algorithm (ECDSA), but ECDSA is more secure.
Correct Answer: A, C
A, C
Explanation:
When planning a firewall deployment with SSL/TLS decryption enabled, it is crucial to consider the additional processing overhead introduced by decrypting and inspecting encrypted traffic.
Here are the details for each statement:
Why "SSL decryption traffic amounts vary from network to network" (Correct Answer A)?
SSL decryption traffic varies depending on the organization’s specific network environment, user behavior, and applications. For example, networks with heavy web traffic, cloud applications, or encrypted VoIP traffic will have more SSL/TLS decryption processing requirements. This variability means each deployment must be properly assessed and sized accordingly.
Why "Perfect Forward Secrecy (PFS) ephemeral key exchange algorithms such as Diffie-Hellman
Ephemeral (DHE) and Elliptic-Curve Diffie-Hellman Exchange (ECDHE) consume more processing resources than Rivest-Shamir-Adleman (RSA) algorithms" (Correct Answer C)?
PFS algorithms like DHE and ECDHE generate unique session keys for each connection, ensuring better security but requiring significantly more processing power compared to RSA key exchange. When decryption is enabled, firewalls must handle these computationally expensive operations for every encrypted session, impacting performance and sizing requirements.
Why not "Large average transaction sizes consume more processing power to decrypt" (Option B)?
While large transaction sizes can consume additional resources, SSL/TLS decryption is more dependent on the number of sessions and the complexity of the encryption algorithms used, rather than the size of the transactions. Hence, this is not a primary best practice consideration.
Why not "Rivest-Shamir-Adleman (RSA) certificate authentication method consumes more resources than Elliptic Curve Digital Signature Algorithm (ECDSA), but ECDSA is more secure" (Option D)?
This statement discusses certificate authentication methods, not SSL/TLS decryption performance. While ECDSA is more efficient and secure than RSA, it is not directly relevant to sizing considerations for firewall deployments with decryption enabled.
Reference: Palo Alto Networks SSL Decryption Best Practices outlines considerations for sizing deployments with decryption, including variability in SSL traffic and the impact of encryption algorithms like ECDHE.
A, C
Explanation:
When planning a firewall deployment with SSL/TLS decryption enabled, it is crucial to consider the additional processing overhead introduced by decrypting and inspecting encrypted traffic.
Here are the details for each statement:
Why "SSL decryption traffic amounts vary from network to network" (Correct Answer A)?
SSL decryption traffic varies depending on the organization’s specific network environment, user behavior, and applications. For example, networks with heavy web traffic, cloud applications, or encrypted VoIP traffic will have more SSL/TLS decryption processing requirements. This variability means each deployment must be properly assessed and sized accordingly.
Why "Perfect Forward Secrecy (PFS) ephemeral key exchange algorithms such as Diffie-Hellman
Ephemeral (DHE) and Elliptic-Curve Diffie-Hellman Exchange (ECDHE) consume more processing resources than Rivest-Shamir-Adleman (RSA) algorithms" (Correct Answer C)?
PFS algorithms like DHE and ECDHE generate unique session keys for each connection, ensuring better security but requiring significantly more processing power compared to RSA key exchange. When decryption is enabled, firewalls must handle these computationally expensive operations for every encrypted session, impacting performance and sizing requirements.
Why not "Large average transaction sizes consume more processing power to decrypt" (Option B)?
While large transaction sizes can consume additional resources, SSL/TLS decryption is more dependent on the number of sessions and the complexity of the encryption algorithms used, rather than the size of the transactions. Hence, this is not a primary best practice consideration.
Why not "Rivest-Shamir-Adleman (RSA) certificate authentication method consumes more resources than Elliptic Curve Digital Signature Algorithm (ECDSA), but ECDSA is more secure" (Option D)?
This statement discusses certificate authentication methods, not SSL/TLS decryption performance. While ECDSA is more efficient and secure than RSA, it is not directly relevant to sizing considerations for firewall deployments with decryption enabled.
Reference: Palo Alto Networks SSL Decryption Best Practices outlines considerations for sizing deployments with decryption, including variability in SSL traffic and the impact of encryption algorithms like ECDHE.
Question #46
What are the first two steps a customer should perform as they begin to understand and adopt Zero Trust principles? (Choose two)
- A . Understand which users, devices, infrastructure, applications, data, and services are part of the network or have access to it.
- B . Enable relevant Cloud-Delivered Security Services (CDSS) subscriptions to automatically protect the customer’s environment from both internal and external threats.
- C . Map the transactions between users, applications, and data, then verify and inspect those transactions.
- D . Implement VM-Series NGFWs in the customer’s public and private clouds to protect east-west traffic.
Correct Answer: A, C
A, C
Explanation:
Zero Trust principles revolve around minimizing trust in the network and verifying every interaction. To adopt Zero Trust, customers should start by gaining visibility and understanding the network and its transactions.
A, C
Explanation:
Zero Trust principles revolve around minimizing trust in the network and verifying every interaction. To adopt Zero Trust, customers should start by gaining visibility and understanding the network and its transactions.
Question #47
Which three descriptions apply to a perimeter firewall? (Choose three.)
- A . Network layer protection for the outer edge of a network
- B . Power utilization less than 500 watts sustained
- C . Securing east-west traffic in a virtualized data center with flexible resource allocation
- D . Primarily securing north-south traffic entering and leaving the network
- E . Guarding against external attacks
Correct Answer: A, D, E
A, D, E
Explanation:
A perimeter firewall is traditionally deployed at the boundary of a network to protect it from external threats. It provides a variety of protections, including blocking unauthorized access, inspecting traffic flows, and safeguarding sensitive resources.
Here is how the options apply:
Option A (Correct): Perimeter firewalls provide network layer protection by filtering and inspecting traffic entering or leaving the network at the outer edge. This is one of their primary roles.
Option B: Power utilization is not a functional or architectural aspect of a firewall and is irrelevant when describing the purpose of a perimeter firewall.
Option C: Securing east-west traffic is more aligned with data center firewalls, which monitor lateral (east-west) movement of traffic within a virtualized or segmented environment. A perimeter firewall focuses on north-south traffic instead.
Option D (Correct): A perimeter firewall primarily secures north-south traffic, which refers to traffic entering and leaving the network. It ensures that inbound and outbound traffic adheres to security policies.
Option E (Correct): Perimeter firewalls play a critical role in guarding against external attacks, such as DDoS attacks, malicious IP traffic, and other unauthorized access attempts.
Reference: Palo Alto Networks Firewall Deployment Use Cases: https://docs.paloaltonetworks.com Security Reference Architecture for North-South Traffic Control.
A, D, E
Explanation:
A perimeter firewall is traditionally deployed at the boundary of a network to protect it from external threats. It provides a variety of protections, including blocking unauthorized access, inspecting traffic flows, and safeguarding sensitive resources.
Here is how the options apply:
Option A (Correct): Perimeter firewalls provide network layer protection by filtering and inspecting traffic entering or leaving the network at the outer edge. This is one of their primary roles.
Option B: Power utilization is not a functional or architectural aspect of a firewall and is irrelevant when describing the purpose of a perimeter firewall.
Option C: Securing east-west traffic is more aligned with data center firewalls, which monitor lateral (east-west) movement of traffic within a virtualized or segmented environment. A perimeter firewall focuses on north-south traffic instead.
Option D (Correct): A perimeter firewall primarily secures north-south traffic, which refers to traffic entering and leaving the network. It ensures that inbound and outbound traffic adheres to security policies.
Option E (Correct): Perimeter firewalls play a critical role in guarding against external attacks, such as DDoS attacks, malicious IP traffic, and other unauthorized access attempts.
Reference: Palo Alto Networks Firewall Deployment Use Cases: https://docs.paloaltonetworks.com Security Reference Architecture for North-South Traffic Control.
Question #48
A prospective customer wants to validate an NGFW solution and seeks the advice of a systems engineer (SE) regarding a design to meet the following stated requirements:
"We need an NGFW that can handle 72 Gbps inside of our core network. Our core switches only have up to 40 Gbps links available to which new devices can connect. We cannot change the IP address structure of the environment, and we need protection for threat prevention, DNS, and perhaps sandboxing."
Which hardware and architecture/design recommendations should the SE make?
- A . PA-5445 or larger to cover the bandwidth need and the link types; Architect aggregate interface groups in Layer-2 or virtual wire mode that include 2 x 40Gbps interfaces on both sides of the path.
- B . PA-5430 or larger to cover the bandwidth need and the link types; Architect aggregate interface groups in Layer-3 mode that include 40Gbps interfaces on both sides of the path.
- C . PA-5445 or larger to cover the bandwidth need and the link types; Architect aggregate interface groups in Layer-3 mode that include 40Gbps interfaces on both sides of the path.
- D . PA-5430 or larger to cover the bandwidth need and the link types; Architect aggregate interface groups in Layer-2 or virtual wire mode that include 2 x 40Gbps interfaces on both sides of the path.
Correct Answer: A
A
Explanation:
The problem provides several constraints and design requirements that must be carefully considered:
Bandwidth Requirement:
The customer needs an NGFW capable of handling a total throughput of 72 Gbps.
The PA-5445 is specifically designed for high-throughput environments and supports up to 81.3 Gbps Threat Prevention throughput (as per the latest hardware performance specifications). This ensures the throughput needs are fully met with some room for growth.
Interface Compatibility:
The customer mentions that their core switches support up to 40 Gbps interfaces. The design must include aggregate links to meet the overall bandwidth while aligning with the 40 Gbps interface limitations.
The PA-5445 supports 40Gbps QSFP+ interfaces, making it a suitable option for the hardware requirement.
No Change to IP Address Structure:
Since the customer cannot modify their IP address structure, deploying the NGFW in Layer-2 or Virtual Wire mode is ideal.
Virtual Wire mode allows the firewall to inspect traffic transparently between two Layer-2 devices
without modifying the existing IP structure. Similarly, Layer-2 mode allows the firewall to behave like
a switch at Layer-2 while still applying security policies.
Threat Prevention, DNS, and Sandboxing Requirements:
The customer requires advanced security features like Threat Prevention and potentially sandboxing (WildFire). The PA-5445 is equipped to handle these functionalities with its dedicated hardware-based architecture for content inspection and processing.
Aggregate Interface Groups:
The architecture should include aggregate interface groups to distribute traffic across multiple physical interfaces to support the high throughput requirement.
By aggregating 2 x 40Gbps interfaces on both sides of the path in Virtual Wire or Layer-2 mode, the design ensures sufficient bandwidth (up to 80 Gbps per side).
Why PA-5445 in Layer-2 or Virtual Wire mode is the Best Option:
Option A satisfies all the customer’s requirements:
The PA-5445 meets the 72 Gbps throughput requirement.
2 x 40 Gbps interfaces can be aggregated to handle traffic flow between the core switches and the NGFW.
Virtual Wire or Layer-2 mode preserves the IP address structure, while still allowing full threat prevention and DNS inspection capabilities.
The PA-5445 also supports sandboxing (WildFire) for advanced file-based threat detection.
Why Not Other Options:
Option B:
The PA-5430 is insufficient for the throughput requirement (72 Gbps). Its maximum Threat Prevention throughput is 60.3 Gbps, which does not provide the necessary capacity.
Option C:
While the PA-5445 is appropriate, deploying it in Layer-3 mode would require changes to the IP address structure, which the customer explicitly stated is not an option.
Option D:
The PA-5430 does not meet the throughput requirement. Although Layer-2 or Virtual Wire mode preserves the IP structure, the throughput capacity of the PA-5430 is a limiting factor.
Reference from Palo Alto Networks Documentation:
Palo Alto Networks PA-5400 Series Datasheet (latest version)
Specifies the performance capabilities of the PA-5445 and PA-5430 models.
Palo Alto Networks Virtual Wire Deployment Guide
Explains how Virtual Wire mode can be used to transparently inspect traffic without changing the existing IP structure.
Aggregated Ethernet Interface Documentation
Details the configuration and use of aggregate interface groups for high throughput.
A
Explanation:
The problem provides several constraints and design requirements that must be carefully considered:
Bandwidth Requirement:
The customer needs an NGFW capable of handling a total throughput of 72 Gbps.
The PA-5445 is specifically designed for high-throughput environments and supports up to 81.3 Gbps Threat Prevention throughput (as per the latest hardware performance specifications). This ensures the throughput needs are fully met with some room for growth.
Interface Compatibility:
The customer mentions that their core switches support up to 40 Gbps interfaces. The design must include aggregate links to meet the overall bandwidth while aligning with the 40 Gbps interface limitations.
The PA-5445 supports 40Gbps QSFP+ interfaces, making it a suitable option for the hardware requirement.
No Change to IP Address Structure:
Since the customer cannot modify their IP address structure, deploying the NGFW in Layer-2 or Virtual Wire mode is ideal.
Virtual Wire mode allows the firewall to inspect traffic transparently between two Layer-2 devices
without modifying the existing IP structure. Similarly, Layer-2 mode allows the firewall to behave like
a switch at Layer-2 while still applying security policies.
Threat Prevention, DNS, and Sandboxing Requirements:
The customer requires advanced security features like Threat Prevention and potentially sandboxing (WildFire). The PA-5445 is equipped to handle these functionalities with its dedicated hardware-based architecture for content inspection and processing.
Aggregate Interface Groups:
The architecture should include aggregate interface groups to distribute traffic across multiple physical interfaces to support the high throughput requirement.
By aggregating 2 x 40Gbps interfaces on both sides of the path in Virtual Wire or Layer-2 mode, the design ensures sufficient bandwidth (up to 80 Gbps per side).
Why PA-5445 in Layer-2 or Virtual Wire mode is the Best Option:
Option A satisfies all the customer’s requirements:
The PA-5445 meets the 72 Gbps throughput requirement.
2 x 40 Gbps interfaces can be aggregated to handle traffic flow between the core switches and the NGFW.
Virtual Wire or Layer-2 mode preserves the IP address structure, while still allowing full threat prevention and DNS inspection capabilities.
The PA-5445 also supports sandboxing (WildFire) for advanced file-based threat detection.
Why Not Other Options:
Option B:
The PA-5430 is insufficient for the throughput requirement (72 Gbps). Its maximum Threat Prevention throughput is 60.3 Gbps, which does not provide the necessary capacity.
Option C:
While the PA-5445 is appropriate, deploying it in Layer-3 mode would require changes to the IP address structure, which the customer explicitly stated is not an option.
Option D:
The PA-5430 does not meet the throughput requirement. Although Layer-2 or Virtual Wire mode preserves the IP structure, the throughput capacity of the PA-5430 is a limiting factor.
Reference from Palo Alto Networks Documentation:
Palo Alto Networks PA-5400 Series Datasheet (latest version)
Specifies the performance capabilities of the PA-5445 and PA-5430 models.
Palo Alto Networks Virtual Wire Deployment Guide
Explains how Virtual Wire mode can be used to transparently inspect traffic without changing the existing IP structure.
Aggregated Ethernet Interface Documentation
Details the configuration and use of aggregate interface groups for high throughput.
Question #49
What is used to stop a DNS-based threat?
- A . DNS proxy
- B . Buffer overflow protection
- C . DNS tunneling
- D . DNS sinkholing
Correct Answer: D
D
Explanation:
DNS-based threats, such as DNS tunneling, phishing, or malware command-and-control (C2) activities, are commonly used by attackers to exfiltrate data or establish malicious communications. Palo Alto Networks firewalls provide several mechanisms to address these threats, and the correct method is DNS sinkholing.
Why "DNS sinkholing" (Correct Answer D)?
DNS sinkholing redirects DNS queries for malicious domains to an internal or non-routable IP address, effectively preventing communication with malicious domains. When a user or endpoint tries to connect to a malicious domain, the sinkhole DNS entry ensures the traffic is blocked or routed to a controlled destination.
DNS sinkholing is especially effective for blocking malware trying to contact its C2 server or preventing data exfiltration.
Why not "DNS proxy" (Option A)?
A DNS proxy is used to forward DNS queries from endpoints to an upstream DNS server. While it can be part of a network’s DNS setup, it does not actively stop DNS-based threats.
Why not "Buffer overflow protection" (Option B)?
Buffer overflow protection is a method used to prevent memory-related attacks, such as exploiting software vulnerabilities. It is unrelated to DNS-based threat prevention.
Why not "DNS tunneling" (Option C)?
DNS tunneling is itself a type of DNS-based threat where attackers encode malicious traffic within DNS queries and responses. This option refers to the threat itself, not the method to stop it.
Reference: Palo Alto Networks DNS Security documentation confirms that DNS sinkholing is a key mechanism for stopping DNS-based threats.
D
Explanation:
DNS-based threats, such as DNS tunneling, phishing, or malware command-and-control (C2) activities, are commonly used by attackers to exfiltrate data or establish malicious communications. Palo Alto Networks firewalls provide several mechanisms to address these threats, and the correct method is DNS sinkholing.
Why "DNS sinkholing" (Correct Answer D)?
DNS sinkholing redirects DNS queries for malicious domains to an internal or non-routable IP address, effectively preventing communication with malicious domains. When a user or endpoint tries to connect to a malicious domain, the sinkhole DNS entry ensures the traffic is blocked or routed to a controlled destination.
DNS sinkholing is especially effective for blocking malware trying to contact its C2 server or preventing data exfiltration.
Why not "DNS proxy" (Option A)?
A DNS proxy is used to forward DNS queries from endpoints to an upstream DNS server. While it can be part of a network’s DNS setup, it does not actively stop DNS-based threats.
Why not "Buffer overflow protection" (Option B)?
Buffer overflow protection is a method used to prevent memory-related attacks, such as exploiting software vulnerabilities. It is unrelated to DNS-based threat prevention.
Why not "DNS tunneling" (Option C)?
DNS tunneling is itself a type of DNS-based threat where attackers encode malicious traffic within DNS queries and responses. This option refers to the threat itself, not the method to stop it.
Reference: Palo Alto Networks DNS Security documentation confirms that DNS sinkholing is a key mechanism for stopping DNS-based threats.
Question #50
The efforts of a systems engineer (SE) with an industrial mining company account have yielded interest in Palo Alto Networks as part of its effort to incorporate innovative design into operations using robots and remote-controlled vehicles in dangerous situations. A discovery call confirms that the company will receive control signals to its machines over a private mobile network using radio towers that connect to cloud-based applications that run the control programs.
Which two sets of solutions should the SE recommend?
- A . That 5G Security be enabled and architected to ensure the cloud computing is not compromised in the commands it is sending to the onsite machines.
- B . That Cloud NGFW be included to protect the cloud-based applications from external access into the cloud service provider hosting them.
- C . That IoT Security be included for visibility into the machines and to ensure that other devices connected to the network are identified and given risk and behavior profiles.
- D . That an Advanced CDSS bundle (Advanced Threat Prevention, Advanced WildFire, and Advanced URL Filtering) be procured to ensure the design receives advanced protection.
Correct Answer: A, C
A, C
Explanation:
5G Security (Answer A):
In this scenario, the mining company operates on a private mobile network, likely powered by 5G technology to ensure low latency and high bandwidth for controlling robots and vehicles.
Palo Alto Networks 5G Security is specifically designed to protect private mobile networks. It prevents exploitation of vulnerabilities in the 5G infrastructure and ensures the control signals sent to the machines are not compromised by attackers.
Key features include network slicing protection, signaling plane security, and secure user plane communications.
IoT Security (Answer C):
The mining operation depends on machines and remote-controlled vehicles, which are IoT devices.
Palo Alto Networks IoT Security provides:
Full device visibility to detect all IoT devices (such as robots, remote vehicles, or sensors). Behavioral analysis to create risk profiles and identify anomalies in the machines’ operations. This ensures a secure environment for IoT devices, reducing the risk of a device being exploited.
Why Not Cloud NGFW (Answer B):
While Cloud NGFW is critical for protecting cloud-based applications, the specific concern here is protecting control signals and IoT devices rather than external access into the cloud service.
The private mobile network and IoT device protection requirements make 5G Security and IoT Security more relevant.
Why Not Advanced CDSS Bundle (Answer D):
The Advanced CDSS bundle (Advanced Threat Prevention, Advanced WildFire, Advanced URL Filtering) is essential for securing web traffic and detecting threats, but it does not address the specific challenges of securing private mobile networks and IoT devices.
While these services can supplement the design, they are not the primary focus in this use case.
Reference from Palo Alto Networks Documentation:
5G Security for Private Mobile Networks
IoT Security Solution Brief
Cloud NGFW Overview
A, C
Explanation:
5G Security (Answer A):
In this scenario, the mining company operates on a private mobile network, likely powered by 5G technology to ensure low latency and high bandwidth for controlling robots and vehicles.
Palo Alto Networks 5G Security is specifically designed to protect private mobile networks. It prevents exploitation of vulnerabilities in the 5G infrastructure and ensures the control signals sent to the machines are not compromised by attackers.
Key features include network slicing protection, signaling plane security, and secure user plane communications.
IoT Security (Answer C):
The mining operation depends on machines and remote-controlled vehicles, which are IoT devices.
Palo Alto Networks IoT Security provides:
Full device visibility to detect all IoT devices (such as robots, remote vehicles, or sensors). Behavioral analysis to create risk profiles and identify anomalies in the machines’ operations. This ensures a secure environment for IoT devices, reducing the risk of a device being exploited.
Why Not Cloud NGFW (Answer B):
While Cloud NGFW is critical for protecting cloud-based applications, the specific concern here is protecting control signals and IoT devices rather than external access into the cloud service.
The private mobile network and IoT device protection requirements make 5G Security and IoT Security more relevant.
Why Not Advanced CDSS Bundle (Answer D):
The Advanced CDSS bundle (Advanced Threat Prevention, Advanced WildFire, Advanced URL Filtering) is essential for securing web traffic and detecting threats, but it does not address the specific challenges of securing private mobile networks and IoT devices.
While these services can supplement the design, they are not the primary focus in this use case.
Reference from Palo Alto Networks Documentation:
5G Security for Private Mobile Networks
IoT Security Solution Brief
Cloud NGFW Overview