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| Certification Vendor: | Palo Alto Networks |
|---|---|
| Exam Name: | Palo Alto Networks Network Security Analyst (NetSec-Analyst) |
| Exam Number: | NetSec-Analyst |
| Related Certifications: | Palo Alto Networks Certified Cybersecurity Associate (PCCSA) Palo Alto Networks Certified Network Security Administrator (PCNSA) |
| Certificate Validity Period: | 2 years |
| Exam Format: | Multiple select, Multiple choice |
| Available Languages: | English |
| Recommended Training: | Palo Alto Networks Cybersecurity Academy Palo Alto Networks Training Courses |
| Exam Registration: | Palo Alto Networks Certification Portal Pearson VUE Exam Registration |
| Sample Questions: | Palo Alto Networks NetSec-Analyst Sample Questions |
| Exam Way: | Online proctored exam via Pearson VUE or Palo Alto Networks certification platform (varies by region) |
| Pre Condition: | Basic understanding of networking and cybersecurity fundamentals recommended |
| Official Syllabus URL: | https://www.paloaltonetworks.com/services/education/certification |
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NEW QUESTION # 12
A firewall is showing high "Packet Buffer" utilization, causing network latency. Which type of traffic is most likely to cause this issue if it is not correctly managed?
Answer: D
Explanation:
Comprehensive and Detailed 150 to 250 words of Explanation From Palo Alto Networks Network Security Analyst Knowledge:
Packet Buffers are used by the firewall's data plane to temporarily store packets that are waiting to be processed by the Content-ID engine. High-throughput, single-session traffic-often called "Elephant Flows" (like large backups or database replications)-can consume a disproportionate amount of buffer space, leading to congestion and latency for other users.
To troubleshoot and remediate this, the analyst must identify the source of the heavy traffic using the ACC or the CLI command show session meter. Once identified, the analyst can apply Quality of Service (QoS) policies to limit the bandwidth of these flows or use Application Override (if the traffic is trusted) to bypass the buffer-intensive Layer 7 inspection. Managing packet buffer health is a critical monitoring objective to ensure that a single large transfer does not degrade the performance of the entire network.
NEW QUESTION # 13
Which set of options is available for detailed logs when building a custom report on a Palo Alto Networks NGFW?
Answer: B
Explanation:
When building a custom report on a Palo Alto Networks NGFW, you can select detailed logs that provide specific insights into various aspects of firewall activity. The available options for detailed logs typically include:
Traffic logs: These provide information on the network traffic passing through the firewall.
Threat logs: These logs capture data related to identified security threats, such as malware or intrusion attempts.
Data filtering logs: These logs capture events related to data filtering policies, such as preventing the transfer of sensitive data.
User-ID logs: These logs associate user identities with the traffic and activities observed on the firewall, enabling user-based policy enforcement.
NEW QUESTION # 14
An organization relies heavily on Palo Alto Networks firewalls for perimeter security. They want to implement a custom Threat Signature to detect a highly evasive malware strain that attempts to communicate over HTTP/S using a specific pattern in its TLS Client Hello extension (e.g., a unique, non-standard extension value or an unusual ordering of standard extensions). The challenge is that the malware changes its C2 domain frequently, and traditional URL/DNS blacklisting is ineffective. Which type of custom signature and what specific 'Location' for the pattern match would be most appropriate for this detection, assuming the pattern is 'malware_tls_signature_bytes' and is located within the 'client_hello_extensions' field?
Answer: E
Explanation:
This question targets advanced custom signature creation, specifically focusing on TLS handshake details. The key is detecting a pattern within the 'TLS Client Hello extension'. Signature Type: Custom Threat - This is the general category for detecting specific malicious patterns not covered by pre-defined signatures. While 'Vulnerability' or 'Spyware' could potentially be used for broader malware, 'Custom Threat' is designed for specific, targeted threat detection. Location: 'ssl-client-hello-extensions' - This is the crucial part. Palo Alto Networks custom signatures offer specific 'Locations' to target different parts of network protocols. To inspect details within the TLS Client Hello extensions , the 'ssl-client-hello-extensions' location is the precise target. 'ssl-client-hello' would match the entire Client Hello, but 'ssl-client-hello-extensions' provides a more granular context for patterns specifically within the extensions field, which is what the problem describes. Let's review other options: A. Signature Type: Vulnerability, Location: 'tcp-payload' : 'tcp-payload' is too broad; it inspects the entire TCP payload, which would be inefficient and prone to false positives if the pattern is specific to TLS handshake elements. 'Vulnerability' is generally for exploits. B. Signature Type: Spyware, Location: 'ssl-client-hello' : While 'ssl-client-hello' is closer, it's less specific than 'ssl-client-hello-extensions' if the goal is to target patterns within the extensions. 'Spyware' is a valid threat category, but the location precision is important here. D. Signature Type: DoS, Location: 'tls-handshakes : DoS signatures are for denial-of-service attacks. 'tls-handshake' is a valid location but 'ssl-client-hello-extensions' is even more granular and accurate for the specific problem. E. Signature Type: Protocol Anomaly, Location: 'http-request-headers' : Protocol Anomaly signatures detect deviations from RFCs. 'http-request-headers' is for HTTP headers, not TLS handshake details.
NEW QUESTION # 15
In which two Security Profiles can an action equal to the block IP feature be configured? (Choose two.)
Answer: A,C
Explanation:
The block IP feature can be configured in two Security Profiles: Vulnerability Protection and Anti-spyware. The block IP feature allows the firewall to block traffic from a source IP address for a specified period of time after detecting a threat. This feature can help prevent further attacks from the same source and reduce the load on the firewall1. The block IP feature can be enabled in the following Security Profiles:
Vulnerability Protection: A Vulnerability Protection profile defines the actions that the firewall takes to protect against exploits and vulnerabilities in applications and protocols. You can configure a rule in the Vulnerability Protection profile to block IP connections for a specific threat or a group of threats2.
Anti-spyware: An Anti-spyware profile defines the actions that the firewall takes to protect against spyware and command-and-control (C2) traffic. You can configure a rule in the Anti-spyware profile to block IP addresses for a specific spyware or C2 signature.
NEW QUESTION # 16
A Palo Alto Networks firewall is configured for SSL Forward Proxy decryption. An internal application relies on certificate pinning for security. When users attempt to access this application, they receive certificate warnings, and the application fails to connect. The security team wants to maintain decryption for other traffic but specifically bypass decryption for this application. Which configuration change is the most precise and least impactful to the overall security posture?
Answer: B
Explanation:
Certificate pinning means the application expects a very specific certificate chain and will reject connections if the certificate presented by the firewall (acting as an intermediary during decryption) doesn't match. The most precise and least impactful solution is to use the 'SSL Decryption Exclusion' list. This allows the firewall to identify traffic to that specific FQDN and automatically bypass decryption for it, leaving other traffic unaffected. Option A works but is less granular, requiring a separate rule. Option C is incorrect; importing the application's end-entity certificate won't help with pinning. Option D compromises security globally. Option E also won't solve certificate pinning issues as it still involves the firewall generating a certificate, which the pinned application will reject.
NEW QUESTION # 17
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