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| Section | Objectives |
|---|---|
| Topic 1: Network Security Fundamentals | - Common threats and attack vectors - Firewall concepts and NGFW overview - Security principles (CIA triad) |
| Topic 2: Palo Alto Networks Technologies | - App-ID, User-ID, and Content-ID concepts - Threat Prevention and logging concepts - Security policies and rule processing |
| Topic 3: Networking Fundamentals | - Routing and switching concepts - TCP/IP and OSI model basics - Network addressing and subnetting |
| Topic 4: Security Operations | - Incident detection and response basics - Monitoring and log analysis |
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NEW QUESTION # 47
During the App-ID update process, what should you click on to confirm whether an existing policy rule is affected by an App-ID update?
Answer: C
Explanation:
Reference: https://docs.paloaltonetworks.com/pan-os/9-0/pan-os-admin/app-id/manage-new-app-ids- introduced-in-content-releases/review-new-app-id-impact-on-existing-policy-rules
NEW QUESTION # 48
A company is migrating its critical applications to an Azure Virtual Network and requires secure connectivity via a Palo Alto Networks VM-Series firewall. They need to ensure that specific applications running on non-standard ports (e.g., custom database sync on TCP 20000, proprietary messaging on UDP 25000) are protected by threat prevention profiles. The challenge is that these applications' signatures are not recognized by default App-ID. How would you configure the firewall to apply security profiles effectively to this traffic?
Answer: D
Explanation:
Option B is the most appropriate and effective solution. When standard App-ID doesn't recognize an application on a non-standard port, the 'application-override' feature is specifically designed for this scenario. It allows the administrator to classify traffic based on specific port and protocol (and potentially source/destination) and assign it a custom App-ID. Once the traffic is correctly identified as a custom application, it can then be matched by a security policy rule, allowing granular application of Security Profiles (Antivirus, Anti-Spyware, Vulnerability Protection) for thorough threat prevention. Option A relies only on port, which is less precise than application-override. Option C is ideal for unknown apps but too complex and time-consuming for known proprietary apps. Option D is too generic and may apply unnecessary inspection or miss specific threats. Option E is for detecting specific malicious patterns, not for classifying legitimate custom applications.
NEW QUESTION # 49
Consider a scenario where an organization wants to dynamically block access to newly registered domains (NRDs) identified as potential phishing sites. They subscribe to a reputable threat intelligence service that provides a daily updated list of NRDs. Which of the following configurations would be essential for successfully implementing this security measure using External Dynamic Lists on a Palo Alto Networks firewall?
Answer: D
Explanation:
To block newly registered domains, an EDL of type 'Domain' is required. This EDL can then be referenced in a Security Policy rule. When a user attempts to access a domain listed in the EDL, the security policy will enforce the 'deny' action, blocking the connection. 'URL' EDLs are for specific URLs, not just domain names. 'IP Address' EDLs are for IP addresses. WildFire and DNS Sinkhole are different security mechanisms, not directly related to applying a dynamic domain list in a security policy for blocking access.
NEW QUESTION # 50
How often should external dynamic lists be updated to ensure effective Security policy enforcement?
Answer: A
Explanation:
Comprehensive and Detailed 150 to 250 words of Explanation From Palo Alto Networks Network Security Analyst Knowledge:
In a Palo Alto Networks environment, an External Dynamic List (EDL) is a vital tool for automating the protection of the network against rapidly changing threats. The firewall uses these lists-which can contain IP addresses, URLs, or domains-to dynamically update Security policies without requiring an administrator to manually perform a configuration commit.
The effectiveness of an EDL is directly tied to the currency of the information it contains. To ensure maximum security posture, a Network Security Analyst should configure the firewall to update the list as frequently as the external source updates (D). PAN-OS allows administrators to set the check frequency to five minutes, hourly, daily, or weekly. If an external threat intelligence provider updates their list of known malicious IPs every hour, but the firewall is only configured to update once a week, the network remains vulnerable to those new threats for nearly seven days.
By aligning the firewall's retrieval interval with the source's update cycle, the analyst ensures that "block" or
"allow" lists are always synchronized with the most recent data. This automation is a key component of a Zero Trust architecture, as it reduces the "window of exposure" to new indicators of compromise (IoCs).
While Option B is conceptually appealing, the firewall cannot inherently know when a threat is identified until it checks the source; therefore, setting the frequency to match the source's capabilities is the most technically accurate and effective approach.
NEW QUESTION # 51
Which three types of entries can be excluded from an external dynamic list (EDL)? (Choose three.)
Answer: B,C,D
Explanation:
Three types of entries that can be excluded from an external dynamic list (EDL) are IP addresses, domains, and URLs. An EDL is a text file that is hosted on an external web server and contains a list of objects, such as IP addresses, URLs, domains, International Mobile Equipment Identities (IMEIs), or International Mobile Subscriber Identities (IMSIs) that the firewall can import and use in policy rules. You can exclude entries from an EDL to prevent the firewall from enforcing policy on those entries. For example, you can exclude benign domains that applications use for background traffic from Authentication policy1. To exclude entries from an EDL, you need to:
* Select the EDL on the firewall and click Manual Exceptions.
* Add the entries that you want to exclude in the Manual Exceptions list. The entries must match the type and format of the EDL. For example, if the EDL contains IP addresses, you can only exclude IP addresses.
* Click OK to save the changes. The firewall will not enforce policy on the excluded entries.
References: Exclude Entries from an External Dynamic List, External Dynamic List, Certifications - Palo Alto Networks, Palo Alto Networks Certified Network Security Administrator (PAN-OS 10.0) or Palo Alto Networks Certified Network Security Administrator (PAN-OS 10.0).
NEW QUESTION # 52
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