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Palo Alto Networks NetSec-Analyst Exam Syllabus Topics:
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NEW QUESTION # 20
What do you configure if you want to set up a group of objects based on their ports alone?
- A. Address groups
- B. Custom objects
- C. Application groups
- D. Service groups
Answer: D
NEW QUESTION # 21
A Security Administrator reports that users are unable to access certain web applications after a recent Panorama template push. The applications use non-standard ports, and the security policy explicitly allows traffic on these ports. Traffic logs show sessions being dropped with the reason 'application-default'. Which of the following is the most probable cause of this misconfiguration?
- A. The Zone Protection Profile applied to the ingress zone is blocking non-standard application traffic.
- B. The application identification (App-ID) for the custom web applications is incorrectly defined or not being learned.
- C. The decryption profile is not applied, preventing proper App-ID classification for SSL/TLS encrypted traffic.
- D. The Panorama template push contained a commit scope error, not applying the new policies to the correct device group.
- E. The security policy is missing the 'service' object for the non-standard ports, defaulting to 'application-default' port inspection.
Answer: E
Explanation:
The 'application-default' drop reason indicates that the firewall is attempting to match the traffic to its default application-layer ports because no specific service (port) has been defined for the application in the security policy. Even if the App-ID is known, if the service is set to 'application-default' and the application uses non-standard ports, the firewall will enforce the default ports for that application, leading to a drop. Defining the correct service object for the non-standard ports is crucial when applications run on custom ports, even if App-ID successfully identifies the application.
NEW QUESTION # 22
A Palo Alto Networks firewall administrator is troubleshooting an issue where a newly deployed containerized application's traffic (TCP/8443) is intermittently identified as 'ssl' and sometimes as 'unknown-tcp', even though the application always uses the same proprietary TLS certificate and handshake. This inconsistency leads to erratic policy enforcement and dropped connections. The administrator suspects a race condition or an App-ID engine limitation with highly dynamic container environments. Which of the following advanced Application Override configurations, if applicable, would be the most effective in ensuring consistent identification of this proprietary application as 'custom-app-tls' (a pre-defined custom application)?
- A. An Application Override configured with the following CLI command structure:
- B. An Application Override configured with 'Source IP', 'Destination IP', 'Service' (TCP/8443), and specifying the custom application 'custom-app-tls', but prioritizing it lower than default App-ID.
- C. A custom application signature created specifically to identify the proprietary TLS handshake and certificate chain of the containerized application, applied globally.
- D. Implement a PBF (Policy Based Forwarding) rule to steer the container traffic to a specific security zone where App-ID is disabled for TCP/8443.
- E. A simple Application Override for TCP/8443 to 'custom-app-tls' for all traffic.
Answer: A
Explanation:
The key here is 'intermittently identified' and 'race condition/engine limitation', suggesting that a standard override might still compete with App-ID. Option C introduces the 'priority high' option (though in a slightly simplified CLI format for clarity, the concept of override rule order/precedence is critical) which ensures that this specific override rule takes precedence over App-ID's default classification process for the defined traffic. This is crucial for ensuring consistent identification in challenging scenarios. Option A is too broad and doesn't account for the intermittent issue. Option B with 'priority lower' would be ineffective. Option D is a valid alternative but is more complex to implement and maintain than an override, especially if the 'signature' relies on subtle, potentially changing aspects. Option E bypasses App-ID entirely, losing visibility and control.
NEW QUESTION # 23
An administrator is troubleshooting intermittent decryption failures for a specific set of websites. The logs show 'SSL Protocol Error' or 'Unsupported Protocol Version' frequently. The current decryption profile uses default settings for protocol versions. Upon investigation, it's discovered these websites are still using TLS 1.0 or TLS 1.1 , while the firewall is configured to prefer TLS 1.2 and above by default. Which of the following actions, or combination of actions, could resolve this issue while minimizing security compromises?
- A. Create a new Decryption Profile. In the 'SSL Protocol Settings' section, set the 'Minimum Protocol Version' to 'TLS 1.0'. Apply this new profile to a security policy rule specific to these problematic websites, placed above the general decryption rule.
- B. Modify the existing Decryption Profile's 'Minimum Protocol Version' to 'TLS 1.0' globally.
- C. Disable SSL decryption entirely for these specific websites using an exclusion list.
- D. Add the problematic websites to a custom URL category and configure a 'No Decryption' policy for this category.
- E. Install the certificates of these websites as trusted CAS on the firewall.
Answer: A,C
Explanation:
This question has multiple correct answers depending on the security vs. access priority. Option A: Creating a specific decryption profile with a lower minimum TLS version (TLS 1.0) and applying it only to the problematic websites is a targeted approach. This allows older protocols only where necessary, minimizing the security compromise globally while enabling access. This is a common solution when dealing with legacy applications. Option B: If the security team decides that decrypting traffic using old, insecure protocols is too risky, the safest approach is to simply exclude these problematic websites from decryption. This maintains security posture by not decrypting insecure sessions, but it means the traffic to these sites will not be inspected. This is a valid choice if the risk of decryption with old protocols outweighs the benefit of inspection. Option C: Modifying the global decryption profile to allow TLS 1.0 globally is a significant security compromise, as it opens the door for all traffic to use a deprecated and potentially vulnerable protocol. Option D: While using a 'No Decryption' policy (similar to B), this option describes a similar outcome but Option B is more direct in terms of exclusion via decryption settings. Both bypass decryption. Option E: Installing certificates as trusted CAS doesn't address protocol version incompatibilities; it addresses certificate trust issues.
NEW QUESTION # 24
Which three statement describe the operation of Security Policy rules or Security Profiles? (Choose three)
- A. Security policy rules inspect but do not block traffic.
- B. Security Profile are attached to security policy rules.
- C. Security Policy rules can block or allow traffic.
- D. Security Profile should be used only on allowed traffic.
- E. Security Policy rules are attached to Security Profiles.
Answer: B,C,D
NEW QUESTION # 25
Which SCM feature allows an administrator to see a "Safety Score" for a proposed policy change before it is committed to the firewalls?
- A. Strata Cloud Manager (SCM) Copilot
- B. Best Practice Assessment (BPA)
- C. Activity Insights
- D. Policy Optimizer
Answer: B
Explanation:
Comprehensive and Detailed 150 to 250 words of Explanation From Palo Alto Networks Network Security Analyst Knowledge:
The Best Practice Assessment (BPA) tool-which is integrated directly into Strata Cloud Manager as an inline check-allows analysts to evaluate their security configuration against Palo Alto Networks' recommended standards. It provides a "Security Adoption" or "Safety" score based on how well the policies implement features like App-ID, User-ID, and Security Profiles.
By reviewing these checks before a commit, the analyst can identify "overly permissive" rules or rules missing critical threat inspection profiles. This proactive approach ensures that new policy changes do not inadvertently weaken the organization's security posture. For a Network Security Analyst, using the inline BPA in SCM is a key objective for maintaining a high-quality rulebase and moving the organization toward a
"best practice" implementation of the Next-Generation Firewall.
NEW QUESTION # 26
What action will inform end users when their access to Internet content is being restricted?
- A. Ensure that the 'site access" setting for all URL sites is set to 'alert'.
- B. Enable 'Response Pages' on the interface providing Internet access.
- C. Publish monitoring data for Security policy deny logs.
- D. Create a custom 'URL Category' object with notifications enabled.
Answer: B
NEW QUESTION # 27
Based on the image below, what is a risk associated with this configuration?
- A. Authentication algorithm selections can significantly increase resource consumption and cause performance degradation.
- B. Min Version setting of TLSv1.3 can cause compatibility issues with legacy applications or clients.
- C. Encryption algorithms 3DES and RC4 being disabled decreases security posture.
- D. Max Version setting of "Max" enables the use of Perfect Forward Secrecy (PFS) and cannot be decrypted.
Answer: B
Explanation:
Comprehensive and Detailed 150 to 250 words of Explanation From Palo Alto Networks Network Security Analyst Knowledge:
In the provided image, the Decryption Profile is configured with a Min Version of TLSv1.3. While this represents a high security posture, it introduces a significant operational risk: compatibility issues with legacy applications or clients.
Many older operating systems, web browsers, and legacy internal applications do not support TLS 1.3. If a client or server attempts to negotiate a connection using an older, unsupported protocol version (such as TLS
1.2 or 1.1), the firewall will drop the connection because it falls below the configured minimum threshold. A Network Security Analyst must balance the need for modern encryption with the functional requirements of the network.
Option C is incorrect because disabling weak algorithms like 3DES and RC4 actually improves the security posture. Option D is incorrect because the firewall is fully capable of decrypting traffic using Perfect Forward Secrecy (PFS) if the appropriate certificates are installed. Option B is a general concern for all decryption but is not a specific risk of the versioning shown. Therefore, the most immediate risk of setting the minimum version to TLS 1.3 is the potential disruption of services for any user or system still relying on the widely- used TLS 1.2 protocol or older.
NEW QUESTION # 28
A user reports that they are being blocked from a website with a "Certificate Error." Which log will help the analyst determine if the firewall is blocking the session because the web server is using an expired certificate?
- A. Traffic Log
- B. System Log
- C. Threat Log
- D. Decryption Log
Answer: D
Explanation:
Comprehensive and Detailed 150 to 250 words of Explanation From Palo Alto Networks Network Security Analyst Knowledge:
When a firewall is performing SSL/TLS decryption, it acts as a proxy for the encrypted connection. If the firewall encounters an issue with the destination server's certificate-such as an expiration, an untrusted issuer, or a mismatch-the Decryption Log is the specific resource for troubleshooting.
The Decryption Log provides detailed information about why a decrypted session was failed or blocked. It explicitly lists the "Error" or "Reason" for the failure, such as expired-certificate or untrusted-issuer. While the Traffic Log (Option A) might show a "deny" or "reset" action, it will not provide the specific certificate details. By checking the Decryption Log, the analyst can confirm if the issue is a security problem with the external site or if the firewall's decryption profile needs to be adjusted to allow the connection (e.g., if it is a trusted internal site with a self-signed certificate).
NEW QUESTION # 29
Which object would an administrator create to block access to all high-risk applications?
- A. Vulnerability Protection profile
- B. application group
- C. application filter
- D. HIP profile
Answer: C
Explanation:
Explanation/Reference:
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClKECA0
NEW QUESTION # 30
Refer to the exhibit. An administrator is using DNAT to map two servers to a single public IP address. Traffic will be steered to the specific server based on the application, where Host A (10.1.1.100) receives HTTP traffic and Host B (10.1.1.101) receives SSH traffic.
Which two Security policy rules will accomplish this configuration? (Choose two.)
- A. Untrust (Any) to Untrust (10.1.1.1), ssh -Allow
- B. Untrust (Any) to DMZ (1.1.1.100), ssh - Allow
- C. Untrust (Any) to Untrust (10.1.1.1), web-browsing -Allow
- D. Untrust (Any) to DMZ (1.1.1.100), web-browsing - Allow
- E. Untrust (Any)to DMZ (10.1.1.100. 10.1.1.101), ssh, web-browsing-Allow
Answer: B,D
NEW QUESTION # 31
Which security profile should be used to classify malicious web content?
- A. Web Content
- B. URL Filtering
- C. Vulnerability Protection
- D. Antivirus
Answer: B
Explanation:
URL Filtering is a security profile that allows you to classify web content based on the URL category and reputation of the website. URL Filtering can help you block access to malicious web content, such as phishing, malware, or command and control sites, as well as enforce acceptable use policies for web browsing. URL Filtering uses the PAN-DB cloud service to provide up-to-date information on the URL categories and reputations of millions of websites. You can configure URL Filtering policies to allow, block, alert, continue, or override web requests based on the URL category and reputation, as well as customize the response pages and exceptions for different user groups. Reference: URL Filtering, Set Up a Basic Security Policy, Updated Certifications for PAN-OS 10.1
NEW QUESTION # 32
An organization is migrating its on-premise Panorama to a cloud-based architecture and wants to ensure seamless log collection and analysis for its global network of Palo Alto Networks firewalls. They are considering Strata Logging Service. What are the key benefits of using Strata Logging Service over solely relying on Panorama's built-in log collectors for this scenario, specifically concerning scalability and data retention?
- A. Strata Logging Service provides dynamic log scaling based on ingest rate and offers flexible data retention policies, offloading storage and compute from Panorama.
- B. Strata Logging Service only stores traffic logs, while Panorama stores all log types, making Panorama superior for comprehensive analysis.
- C. Strata Logging Service offers unlimited log retention and requires less administrative overhead than managing Panorama log collectors.
- D. Panorama's built-in log collectors are always more cost-effective and scalable for cloud deployments.
- E. There is no significant difference; both provide similar capabilities for log collection and retention in a cloud environment.
Answer: A
Explanation:
Strata Logging Service is a cloud-native logging solution designed for massive scalability and elastic storage. It dynamically adjusts to varying log volumes and provides configurable data retention policies, significantly reducing the administrative burden and infrastructure costs associated with managing on-premise or cloud-hosted Panorama log collectors, which have fixed capacities and require manual scaling. Strata Logging Service collects all log types from Palo Alto Networks devices, not just traffic logs.
NEW QUESTION # 33
Consider a Palo Alto Networks firewall with a complex routing setup. Traffic from the 'Servers' zone destined for a specific SaaS application (app-id: 'saas-crm', destination IP range: 172.16.0.0/20) must be routed through a dedicated VPN tunnel interface (tunnel. 1) and then to a cloud-based SD-WAN appliance with next-hop 10.0.0.1. However, if the SD-WAN appliance becomes unreachable, this traffic must be blocked. Under no circumstances should it fall back to the default route (primary internet uplink). All other traffic from the 'Servers' zone to 'Untrust' should use the default route. Which PBF configuration best achieves this, and what is the critical element for blocking failover?
- A. Create a PBF rule:
- B. O Configure a PBF rule with 'Action: Forward', 'Egress Interface: tunnel. 1', 'Next Hop: 10.0.0.1', and set 'Fall back to: Discard' for the specific SaaS traffic. This rule must be prioritized above other 'Servers' zone PBF rules.
- C. Use a Static Route for 172.16.0.0/20 via tunnel.1' with a higher metric than the default route, and rely on firewall session timeout to drop traffic if the next hop is unreachable.
- D. Create two PBF rules: one for forwarding the SaaS traffic and a second, lower-priority PBF rule for the same traffic with 'Action: Discard' if the first rule's next-hop fails, monitored by BFD.
- E. Create a PBF rule:
Answer: B
Explanation:
Option C is the precise solution. The Palo Alto Networks PBF 'Action' includes 'Discard', which means if the specified forwarding path (egress interface + next-hop) becomes unreachable or fails its monitoring checks, the traffic matching that PBF rule will be explicitly discarded instead of falling back to a default route or being handled by a subsequent PBF rule. The 'Fall back to: Discard' is specifically designed for scenarios where traffic must be dropped if its preferred path is unavailable. Option A suggests 'Fall back to: No', which means it will fall back to the next eligible PBF rule or the default virtual router route, which is not desired here. Option B is incorrect as 'No-PBF' means the traffic will follow regular routing, and a security policy rule wouldn't block based on PBF path failure. Option D relies on routing metrics, which doesn't provide the granular application-aware 'block on failure' behavior of PBF. Option E incorrectly suggests a second PBF rule for discarding on failure; the 'Discard' action is a direct setting within a single PBF rule for fallback.
NEW QUESTION # 34
A security administrator is creating an address object for a partner organization whose public IP address is unknown but who always uses a specific domain name. Which address object type should be used?
- A. IP Range
- B. Multicast
- C. FQDN
- D. IP Netmask
Answer: C
Explanation:
Comprehensive and Detailed 150 to 250 words of Explanation From Palo Alto Networks Network Security Analyst Knowledge:
In scenarios where the destination IP address is dynamic or unknown, but the domain name is consistent, an FQDN (Fully Qualified Domain Name) Address Object is the best choice.
When an FQDN object is used in a security policy, the firewall's management plane periodically resolves the domain name using DNS and populates the resulting IP addresses into the data plane's lookup table. This allows the analyst to write a policy such as "Allow traffic to https://www.google.com/search?q=partner.
example.com" without needing to know the underlying IP infrastructure of the partner. The firewall automatically handles updates; if the partner changes their public IP, the firewall will resolve the new address during its next scheduled DNS refresh (typically every 30 minutes) and update the policy automatically. This ensures continuous connectivity and security without the manual effort of tracking external IP changes.
NEW QUESTION # 35
What is the correct process tor creating a custom URL category?
- A. Objects > Custom Objects > URL Category > Add
- B. Objects > Security Profiles > URL Filtering > Add
- C. Objects > Security Profiles > URL Category > Add
- D. Objects > Custom Objects > URL Filtering > Add
Answer: A
NEW QUESTION # 36
Which license must an administrator acquire prior to downloading Antivirus updates for use with the firewall?
- A. Threat Prevention
- B. URL filtering
- C. WildFire
- D. Antivirus
Answer: A
NEW QUESTION # 37
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