Palo Alto Networks NetSec-Generalist Exam Dumps

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Exam : NetSec-Generalist
Title :
https://www.passcert.com/NetSec-Generalist.html
Palo Alto Networks Network
Security Generalist
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1.When a firewall acts as an application-level gateway (ALG), what does it require in order to establish a
connection?
A. Pinhole
B. Dynamic IP and Port (DIPP)
C. Session Initiation Protocol (SIP)
D. Payload
Answer: A
Explanation:
When a firewall functions as an Application-Level Gateway (ALG), it intercepts, inspects, and dynamically
manages traffic at the application layer of the OSI model. The primary role of an ALG is to provide deep
packet inspection (DPI), address translation, and protocol compliance enforcement.
To establish a connection successfully, an ALG requires a pinhole—a temporary, dynamically created rule
that allows the firewall to permit the return traffic necessary for specific applications (e.g., VoIP, FTP, and
SIP-based traffic). These pinholes are essential because many applications dynamically negotiate port
numbers, making static firewall rules ineffective.
For example, when a Session Initiation Protocol (SIP) application initiates a connection, the firewall
dynamically opens a pinhole to allow the SIP media stream (RTP) to pass through while maintaining
security controls. Once the session ends, the pinhole is closed to prevent unauthorized access.
Reference to Firewall Deployment and Security Features:
Firewall Deployment – ALGs are commonly deployed in enterprise network firewalls to manage
application-specific connections securely.
Security Policies – Firewalls use ALG security policies to allow or block dynamically negotiated
connections.
VPN Configurations – Some VPNs rely on ALGs for handling complex applications requiring NAT
traversal.
Threat Prevention – ALGs help detect and prevent application-layer threats by inspecting traffic content.
WildFire – Not directly related, but deep inspection features like WildFire can work alongside ALG to
inspect payloads for malware.
Panorama – Used for centralized policy management, including ALG-based policies.
Zero Trust Architectures – ALG enhances Zero Trust by ensuring only explicitly allowed application traffic
is permitted through temporary pinholes.
Thus, the correct answer is A. Pinhole because it enables a firewall to establish application-layer
connections securely while enforcing dynamic traffic filtering.
2.Which action is only taken during slow path in the NGFW policy?
A. Session lookup
B. SSUTLS decryption
C. Layer 2-Layer 4 firewall processing
D. Security policy lookup
Answer: B
Explanation:
In Palo Alto Networks Next-Generation Firewall (NGFW), packet processing is categorized into the fast
path (also known as the accelerated path) and the slow path (also known as deep inspection processing).
The slow path is responsible for handling operations that require deep content inspection and policy
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enforcement beyond standard Layer 2-4 packet forwarding.
Slow Path Processing and SSL/TLS Decryption
SSL/TLS decryption is performed only during the slow path because it involves computationally intensive
tasks such as:
Intercepting encrypted traffic and performing man-in-the-middle (MITM) decryption.
Extracting the SSL handshake and certificate details for security inspection.
Inspecting decrypted payloads for threats, malicious content, and compliance with security policies.
Re-encrypting the traffic before forwarding it to the intended destination.
This process is critical in environments where encrypted threats can bypass traditional security inspection
mechanisms. However, it significantly impacts firewall performance, making it a slow path action.
Other Answer Choices Analysis
(A) Session Lookup – This occurs in the fast path as part of session establishment before any deeper
inspection. It checks whether an incoming packet belongs to an existing session.
(C) Layer 2–Layer 4 Firewall Processing – These are stateless or stateful filtering actions (e.g., access
control, NAT, and basic connection tracking), handled in the fast path.
(D) Security Policy Lookup – This is also in the fast path, where the firewall determines whether to allow,
deny, or perform further inspection based on the defined security policy rules.
Reference and Justification:
Firewall Deployment – SSL/TLS decryption is part of the firewall’s deep packet inspection and Zero Trust
enforcement strategies.
Security Policies – NGFWs use SSL decryption to enforce security policies, ensuring compliance and
blocking encrypted threats.
VPN Configurations – SSL VPNs and IPsec VPNs also undergo decryption processing in specific security
enforcement zones.
Threat Prevention – Palo Alto’s Threat Prevention engine analyzes decrypted traffic for malware, C2
(Command-and-Control) connections, and exploit attempts.
WildFire – Inspects decrypted traffic for zero-day malware and sandboxing analysis.
Panorama – Provides centralized logging and policy enforcement for SSL decryption events.
Zero Trust Architectures – Decryption is a crucial Zero Trust principle, ensuring encrypted traffic is not
blindly trusted.
Thus, SSL/TLS decryption is the correct answer as it is performed exclusively in the slow path of Palo Alto
Networks NGFWs.
3.Which Security profile should be queried when investigating logs for upload attempts that were recently
blocked due to sensitive information leaks?
A. Anti-spyware
B. Data Filtering
C. Antivirus
D. URL Filtering
Answer: B
Explanation:
When investigating logs for upload attempts that were recently blocked due to sensitive information leaks,
the appropriate Security Profile to query is Data Filtering.
Why Data Filtering?
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Data Filtering is a content inspection security profile within Palo Alto Networks Next-Generation Firewalls
(NGFWs) that detects and prevents the unauthorized transmission of sensitive or confidential data. This
security profile is designed to inspect files, text, and patterns in network traffic and block uploads that
match predefined data patterns such as:
Personally Identifiable Information (PII) – e.g., Social Security Numbers, Credit Card Numbers, Passport
Numbers
Financial Data – e.g., Bank Account Numbers, SWIFT Codes
Health Information (HIPAA Compliance) – e.g., Patient Medical Records
Custom Data Patterns – Organizations can define proprietary data patterns for detection
How Data Filtering Works in Firewall Logs?
Firewall Policy Application – The Data Filtering profile is attached to Security Policies that inspect file
transfers (HTTP, FTP, SMB, SMTP, etc.).
Traffic Inspection – The firewall scans the payload for sensitive data patterns before allowing or blocking
the transfer.
Alert and Block Actions – If sensitive data is detected in an upload, the firewall can alert, block, or
quarantine the file transfer.
Log Investigation – Security Administrators can analyze Threat Logs (Monitor > Logs > Data Filtering
Logs) to review:
File Name
Destination IP
Source User
Matched Data Pattern
Action Taken (Allowed/Blocked)
Reference to Firewall Deployment and Security Features:
Firewall Deployment – Data Filtering is enforced at the firewall level to prevent sensitive data exfiltration.
Security Policies – Configured to enforce Data Filtering rules based on business-critical data
classifications.
VPN Configurations – Ensures encrypted VPN traffic is also subject to data inspection to prevent insider
data leaks.
Threat Prevention – Helps mitigate the risk of data theft, insider threats, and accidental exposure of
sensitive information.
WildFire Integration – Data Filtering can work alongside WildFire to inspect files for advanced threats and
malware.
Panorama – Provides centralized visibility and management of Data Filtering logs across multiple
firewalls.
Zero Trust Architectures – Aligns with Zero Trust principles by enforcing strictcontent inspection and
access control policies to prevent unauthorized data transfers.
Thus, the correct answer is B. Data Filtering, as it directly pertains to preventing and investigating data
leaks in upload attempts blocked by the firewall.
4.When using the perfect forward secrecy (PFS) key exchange, how does a firewall behave when SSL
Inbound Inspection is enabled?
A. It acts as meddler-in-the-middle between the client and the internal server.
B. It acts transparently between the client and the internal server.
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C. It decrypts inbound and outbound SSH connections.
D. It decrypts traffic between the client and the external server.
Answer: A
Explanation:
Perfect Forward Secrecy (PFS) is a cryptographic feature in SSL/TLS key exchange that ensures each
session uses a unique key that is not derived from previous sessions. This prevents attackers from
decrypting historical encrypted traffic even if they obtain the server’s private key.
When SSL Inbound Inspection is enabled on a Palo Alto Networks Next-Generation Firewall (NGFW), the
firewall decrypts inbound encrypted traffic destined for an internal server to inspect it for threats, malware,
or policy violations.
Firewall Behavior with PFS and SSL Inbound Inspection
Meddler-in-the-Middle (MITM) Role – Since PFS prevents session key reuse, the firewall cannot use
static keys for decryption. Instead, it must act as a man-in-the-middle (MITM) between the client and the
internal server.
Decryption Process –
The firewall terminates the SSL session from the external client.
It then establishes a new encrypted session between itself and the internal server.
This allows the firewall to decrypt, inspect, and then re-encrypt traffic before forwarding it to the server.
Security Implications –
This approach ensures threat detection and policy enforcement before encrypted traffic reaches critical
internal servers.
However, it breaks end-to-end encryption since the firewall acts as an intermediary.
Why Other Options Are Incorrect?
B. It acts transparently between the client and the internal server. ❌
Incorrect, because SSL Inbound Inspection requires the firewall to actively terminate and re-establish SSL
connections, making it a non-transparent MITM.
C. It decrypts inbound and outbound SSH connections. ❌
Incorrect, because SSL Inbound Inspection applies only to SSL/TLS traffic, not SSH connections. SSH
decryption requires a different feature (e.g., SSH Proxy).
D. It decrypts traffic between the client and the external server. ❌
Incorrect, because SSL Inbound Inspection is designed to inspect traffic destined for an internal server,
not external connections. SSL Forward Proxy would be used for outbound traffic decryption.
Reference to Firewall Deployment and Security Features:
Firewall Deployment – SSL Inbound Inspection is used in enterprise environments to monitor encrypted
traffic heading to internal servers.
Security Policies – Decryption policies control which inbound SSL sessions are decrypted.
VPN Configurations – PFS is commonly used in IPsec VPNs, ensuring that keys change per session.
Threat Prevention – Enables deep inspection of SSL/TLS traffic to detect malware, exploits, and data
leaks.
WildFire Integration – Extracts potentially malicious files from encrypted traffic for advanced sandboxing
and malware detection.
Panorama – Provides centralized management of SSL decryption logs and security policies.
Zero Trust Architectures – Ensures encrypted traffic is continuously inspected, aligning with Zero Trust
security principles.
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Thus, the correct answer is:
✅ A. It acts as meddler-in-the-middle between the client and the internal server.
5.What should be reviewed when log forwarding from an NGFW to Strata Logging Service becomes
disconnected?
A. Device certificates
B. Decryption profile
C. Auth codes
D. Software warranty
Answer: A
Explanation:
When log forwarding from a Palo Alto Networks NGFW to the Strata Logging Service (formerly Cortex
Data Lake) becomes disconnected, the primary aspect to review is device certificates. This is because
the firewall uses certificates for mutual authentication with the logging service. If these certificates are
missing, expired, or invalid, the firewall will fail to establish a secure connection, preventing log
forwarding.
Key Reasons Why Device Certificates Are Critical
Authentication Requirement – The NGFW uses a Palo Alto Networks-issued device certificate for
authentication before it can send logs to the Strata Logging Service.
Expiration Issues – If the certificate has expired, the NGFW will be unable to authenticate, causing a
disconnection.
Misconfiguration or Revocation – If the certificate is not properly installed, revoked, or incorrectly
assigned, the logging service will reject log forwarding attempts.
Cloud Trust Relationship – The firewall relies on secure cloud-based authentication, where certificates
validate the NGFW’s identity before log ingestion.
How to Verify and Fix Certificate Issues
Check Certificate Status
Navigate to Device > Certificates in the NGFW web interface.
Verify the presence of a valid Palo Alto Networks device certificate.
Look for expiration dates and renew if necessary.
Reinstall Certificates
If the certificate is missing or invalid, reinstall it by retrieving the correct device certificate from the Palo
Alto Networks Customer Support Portal (CSP).
Ensure Correct Certificate Chain
Verify that the correct root CA certificate is installed and trusted by the firewall.
Confirm Connectivity to Strata Logging Service
Ensure that outbound connections to the logging service are not blocked due to misconfigured security
policies, firewalls, or proxies.
Other Answer Choices Analysis
(B) Decryption Profile – SSL/TLS decryption settings affect traffic inspection but have no impact on log
forwarding.
(C) Auth Codes – Authentication codes are used during the initial device registration with Strata Logging
Service but do not impact ongoing log forwarding.
(D) Software Warranty – The firewall’s warranty does not influence log forwarding; however, an active
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support license is required for continuous access to Strata Logging Service.
Reference and Justification:
Firewall Deployment – Certificates are fundamental to secure NGFW cloud communication.
Security Policies – Proper authentication ensures logs are securely transmitted.
Threat Prevention & WildFire – Logging failures could impact threat visibility and WildFire analysis.
Panorama – Uses the same authentication mechanisms for centralized logging.
Zero Trust Architectures – Requires strict identity verification, including valid certificates.
Thus, Device Certificates (A) is the correct answer, as log forwarding depends on a valid, authenticated
certificate to establish connectivity with Strata Logging Service.
6.In Prisma SD-WAN. what is the recommended initial action when VoIP traffic experiences high latency
and packet loss during business hours?
A. Configure a new VPN gateway connection.
B. Monitor real-time path performance metrics.
C. Add new link tags to existing interfaces.
D. Disable the most recently created path quality.
Answer: B
Explanation:
VoIP (Voice over IP) traffic is highly sensitive to network conditions, including latency, jitter, and packet
loss. In Prisma SD-WAN, maintaining optimal VoIP quality requires dynamic path selection and real-time
monitoring of network conditions.
Recommended Initial Action: Monitoring Real-Time Path Performance Metrics
When VoIP traffic experiences high latency and packet loss during business hours, the first step is to
analyze real-time path performance metrics in Prisma SD-WAN’s monitoring dashboard.
Why Real-Time Monitoring is Crucial?
Identifies the Affected Links – Prisma SD-WAN continuously monitors path quality metrics for each
available WAN link (e.g., MPLS, broadband, LTE).
ProvidesInsights on Congestion – Real-time monitoring helps determine whether the issue is caused by
congestion, ISP problems, or packet drops.
Aids in Dynamic Path Selection – Prisma SD-WAN can automatically switch to a better-performing path
based on live telemetry data.
Avoids Unnecessary Configuration Changes – Without accurate diagnostics, changing VPN gateways or
link tags may not address the root cause.
Why Other Options Are Incorrect?
A. Configure a new VPN gateway connection. ❌
Incorrect, because the issue is VoIP performance degradation due to latency and packet loss, not a VPN
gateway failure.
A new VPN connection won’t resolve ongoing traffic congestion in the current SD-WAN path.
C. Add new link tags to existing interfaces. ❌
Incorrect, because adding new link tags does not immediately resolve latency and packet loss issues.
Link tags help classify WAN links for application-aware routing, but the immediate priority is to analyze
performance metrics first.
D. Disable the most recently created path quality. ❌
Incorrect, because disabling a path quality profile without understanding the cause could negatively
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impact failover and traffic steering policies.
Instead, monitoring real-time metrics first ensures the right corrective action is taken.
Reference to Firewall Deployment and Security Features:
Firewall Deployment – Prisma SD-WAN is deployed alongside Palo Alto firewalls for network security and
traffic steering.
Security Policies – Ensures VoIP traffic is prioritized with QoS and traffic shaping policies.
VPN Configurations – Uses IPsec tunnels and Dynamic Path Selection (DPS) for optimal WAN
performance.
Threat Prevention – Detects and mitigates network-based attacks impacting VoIP performance.
WildFire Integration – Not directly related but helps detect malicious traffic within VoIP signaling.
Panorama – Centralized logging and monitoring of SD-WAN path quality metrics across multiple
locations.
Zero Trust Architectures – Enforces identity-based access controls for secure VoIP communications.
Thus, the correct answer is:
✅ B. Monitor real-time path performance metrics.
7.A hospital system allows mobile medical imaging trailers to connect directly to the internal network of its
various campuses. The network security team is concerned about this direct connection and wants to
begin implementing a Zero Trust approach in the flat network.
Which solution provides cost-effective network segmentation and security enforcement in this scenario?
A. Deploy edge firewalls at each campus entry point to monitor and control various traffic types through
direct connection with the trailers.
B. Manually inspect large images like holograms and MRIs, but permit smaller images to pass freely
through the campus core firewalls.
C. Configure separate zones to isolate the imaging trailer's traffic and apply enforcement using the
existing campus core firewalls.
D. Configure access control lists on the campus core switches to control and inspect traffic based on
image size, type, and frequency.
Answer: C
Explanation:
In a Zero Trust Architecture (ZTA), network segmentation is critical to prevent unauthorized lateral
movement within a flat network. Since the hospital system allows mobile medical imaging trailers to
connect directly to its internal network, this poses a significant security risk, as these trailers may
introduce malware, vulnerabilities, or unauthorized access to sensitive medical data.
The most cost-effective and practical solution in this scenario is:
Creating separate security zones for the imaging trailers.
Applying access control and inspection policies via the hospital’s existing core firewalls instead of
deploying new hardware.
Implementing strict policy enforcement to ensure that only authorized communication occurs between the
trailers and the hospital’s network.
Why Separate Zones with Enforcement is the Best Solution?
Network Segmentation for Zero Trust
By placing the medical imaging trailers in their own firewall-enforced zone, they are isolated from the main
hospital network.
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This reduces attack surface and prevents an infected trailer from spreading malware to critical hospital
systems.
Granular security policies ensure only necessary communications occur between zones.
Cost-Effective Approach
Uses existing core firewalls instead of deploying costly additional edge firewalls at every campus.
Reduces complexity by leveraging the current security infrastructure.
Visibility & Security Enforcement
The firewall enforces security policies, such as allowing only medical imaging protocols while blocking
unauthorized traffic.
Integration with Threat Prevention and WildFire ensures that malicious files or traffic anomalies are
detected.
Logging and monitoring via Panorama helps the security team track and respond to threats effectively.
Other Answer Choices Analysis
(A) Deploy edge firewalls at each campus entry point
This is an expensive approach, requiring multiple hardware firewalls at every hospital location.
While effective, it is not the most cost-efficient solution when existing core firewalls can enforce the
necessary segmentation and policies.
(B) Manually inspect large images like holograms and MRIs This does not align with Zero Trust principles.
Manual inspection is impractical, as it slows down medical workflows.
Threats do not depend on image size; malware can be embedded in small and large files alike.
(D) Configure access control lists (ACLs) on core switches
ACLs are limited in security enforcement, as they operate at Layer 3/4 and do not provide deep inspection
(e.g., malware scanning, user authentication, or Zero Trust enforcement).
Firewalls offer application-layer visibility, which ACLs on switches cannot provide.
Switches do not log and analyze threats like firewalls do.
Reference and Justification:
Firewall Deployment – Firewall-enforced network segmentation is a key practice in Zero Trust.
Security Policies – Granular policies ensure medical imaging traffic is controlled and monitored.
VPN Configurations – If remote trailers are involved, secure VPN access can be enforced within the
zones.
Threat Prevention & WildFire – Firewalls can scan imaging files (e.g., DICOM images) for malware.
Panorama – Centralized visibility into all traffic between hospital zones and trailers.
Zero Trust Architectures – This solution follows Zero Trust principles by segmenting untrusted devices
and enforcing least privilege access.
Thus, Configuring separate zones (C) is the correct answer, as it provides cost-effective segmentation,
Zero Trust enforcement, and security visibility using existing firewall infrastructure.
8.How does Panorama improve reporting capabilities of an organization's next-generation firewall
deployment?
A. By aggregating and analyzing logs from multiple firewalls
B. By automating all Security policy creations for multiple firewalls
C. By pushing out all firewall policies from a single physical appliance
D. By replacing the need for individual firewall deployment
Answer: A
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Explanation:
Panorama is Palo Alto Networks’ centralized management platform for Next-Generation Firewalls
(NGFWs). One of its key functions is to aggregate and analyze logs from multiple firewalls, which
significantly enhances reporting and visibility across an organization's security infrastructure.
How Panorama Improves Reporting Capabilities:
Centralized Log Collection – Panorama collects logs from multiple firewalls, allowing administrators to
analyze security events holistically.
Advanced Data Analytics – It provides rich visual reports, dashboards, and event correlation for security
trends, network traffic, and threat intelligence.
Automated Log Forwarding – Logs can be forwarded to SIEM solutions or stored for long-term
compliance auditing.
Enhanced Threat Intelligence – Integrated with ThreatPrevention and WildFire, Panorama correlates logs
to detect malware, intrusions, and suspicious activity across multiple locations.
Why Other Options Are Incorrect?
B. By automating all Security policy creations for multiple firewalls. ❌
Incorrect, because while Panorama enables centralized policy management, it does not fully automate
policy creation—administrators must still define and configure policies.
C. By pushing out all firewall policies from a single physical appliance. ❌
Incorrect, because Panorama is available as a virtual appliance as well, not just a physical one.
While it pushes security policies, its primary enhancement to reporting is log aggregation and analysis.
D. By replacing the need for individual firewall deployment. ❌
Incorrect, because firewalls are still required for traffic enforcement and threat prevention. Panorama
does not replace firewalls; it centralizes their management and reporting. Reference to Firewall
Deployment and Security Features:
Firewall Deployment – Panorama provides centralized log analysis for distributed NGFWs.
Security Policies – Supports policy-based logging and compliance reporting.
VPN Configurations – Provides visibility into IPsec and GlobalProtect VPN logs.
Threat Prevention – Enhances reporting for malware, intrusion attempts, and exploit detection.
WildFire Integration – Stores WildFire malware detection logs for forensic analysis.
Zero Trust Architectures – Supports log-based risk assessment for Zero Trust implementations.
Thus, the correct answer is:
✅ A. By aggregating and analyzing logs from multiple firewalls.
9.When a user works primarily from a remote location but reports to the corporate office several times a
month, what does GlobalProtect use to determine if the user should connect to an internal gateway?
A. ICMP ping to Panorama management interface
B. User login credentials
C. External host detection
D. Reverse DNS lookup of preconfigured host IP
Answer: C
Explanation:
GlobalProtect is Palo Alto Networks' VPN and Zero Trust remote access solution. It dynamically
determines whether a user should connect to an internal or external gateway based on external host
detection.
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How External Host Detection Works:
Preconfigured External Host Detection –
The GlobalProtect agent checks for a predefined trusted external IP address (e.g., the corporate office’s
public IP).
Decision Making –
If the detected IP matches the trusted external host, the GlobalProtect client assumes the user is inside
the corporate network and does not establish a VPN connection.
If the detected IP does not match, GlobalProtect initiates a VPN connection to an external gateway.
Improves Performance & Security –
Prevents unnecessary VPN connections when users are inside the corporate office.
Reduces bandwidth overhead by ensuring only external users connect via VPN.
Why Other Options Are Incorrect?
A. ICMP ping to Panorama management interface. ❌
Incorrect, because GlobalProtect does not use ICMP pings to determine location.
Panorama does not play a role in dynamic gateway selection for GlobalProtect.
B. User login credentials. ❌
Incorrect, because credentials are used for authentication, not for detecting location.
Users authenticate regardless of whether they are inside or outside the network.
D. Reverse DNS lookup of preconfigured host IP. ❌
Incorrect, because Reverse DNS lookups are not used for gateway selection.
DNS lookups can be inconsistent and are not a reliable method for internal/external detection.
Reference to Firewall Deployment and Security Features:
Firewall Deployment – GlobalProtect works with NGFWs to provide secure remote access.
Security Policies – Can enforce different security postures based on internal vs. external user location.
VPN Configurations – Uses dynamic gateway selection to optimize VPN performance.
Threat Prevention – Protects remote users from phishing, malware, and network-based threats.
WildFire Integration – Inspects files uploaded/downloaded via VPN for threats.
Zero Trust Architectures – Enforces Zero Trust Network Access (ZTNA) by verifying user identity and
device security before granting access.
Thus, the correct answer is:
✅ C. External host detection.
10.What will collect device information when a user has authenticated and connected to a GlobalProtect
gateway?
A. RADIUS Authentication
B. IP address
C. Host information profile (HIP)
D. Session ID
Answer: C