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Palo Alto Networks Certified Cybersecurity Entry-level Technician (PCCET) practice questions

209 free questions with answers and explanations.

Practice test
  1. 101.A network administrator is troubleshooting connectivity issues between two internal subnets. The administrator observes that devices on subnet A can ping devices on subnet B, but devices on subnet B cannot initiate connections to services on subnet A. Further investigation reveals that a stateless firewall is separating the two subnets. What is the most likely reason for this one-way communication issue?Network Security
  2. 102.A small business is experiencing slow internet speeds and suspicious network activity. Upon investigation, the IT administrator discovers that one of the employee's computers has been infected with a botnet client, which is participating in a Distributed Denial of Service (DDoS) attack against an external target. The botnet client is also attempting to spread to other internal machines. Which network security concept describes the infected employee's computer within this botnet infrastructure?Network Security
  3. 103.During a critical incident, the SOC team determines that the attacker has established a persistent backdoor on several key servers. To prevent the attacker from regaining access, the team decides to rebuild the compromised servers from trusted golden images. Which phase of the incident response lifecycle does this action primarily fall under?Security Operations
  4. 104.A network administrator needs to quickly identify the MAC address associated with a specific IP address on the local network to troubleshoot a connectivity issue. Which command-line utility would be most effective for this task on a Windows system?Network Security
  5. 105.A cybersecurity team is deploying a new web application that will handle sensitive customer data. They need to ensure the highest level of data integrity and confidentiality during transmission between the client's browser and the web server. Which cryptographic protocol should be primarily used to secure this communication?Network Security
  6. 106.A company has recently implemented a new Security Information and Event Management (SIEM) system. The security team is struggling to reduce the number of false positives generated by the system, leading to alert fatigue. Which of the following actions would be most effective in improving the SIEM's accuracy and reducing false positives?Security Operations
  7. 107.A security auditor is reviewing a company's network security posture and finds that many internal systems are directly accessible from the internet, leading to a high risk exposure. The auditor recommends placing all public-facing servers in a separate network zone that acts as a buffer between the internal network and the internet. What is this recommended network zone called?Network Security
  8. 108.A network security engineer is configuring a new firewall rule to block all inbound traffic originating from a specific list of known malicious IP addresses. The rule needs to be applied at the earliest possible point in the traffic flow to minimize resource consumption and discard unwanted traffic quickly. At which layer of the OSI model does a traditional packet filtering firewall primarily operate to achieve this?Network Security
  9. 109.A SOC analyst is investigating a suspected malware infection on a user's workstation. The initial alert came from an Endpoint Detection and Response (EDR) solution. The analyst has already contained the system by isolating it from the network. What is the MOST critical next step to ensure the immediate removal of the threat and prevent re-infection?Security Operations
  10. 110.A cybersecurity analyst is investigating a potential breach where an attacker gained unauthorized access to a server by exploiting an unpatched vulnerability in its operating system. Which of the following best describes the attacker's initial method of gaining access?Network Security
  11. 111.A SOC team is considering implementing a Security Information and Event Management (SIEM) system. They are evaluating different deployment models. The organization has some on-premise infrastructure but also leverages several cloud-based applications and services, and they want a solution that can integrate security data from both environments. Which SIEM deployment model would best meet their requirements?Security Operations
  12. 112.A large organization is migrating its on-premises data center to a public cloud provider. The security team is concerned about maintaining visibility and control over network traffic within the cloud environment. Traditional perimeter-based firewalls are less effective for east-west traffic between virtual machines in the same cloud subnet. Which cloud-native security concept is crucial for securing this internal cloud traffic?Network Security
  13. 113.A cybersecurity analyst is investigating a compromised server within the internal network. The attacker appears to have gained initial access through a brute-force attack on a weakly secured service and then installed a backdoor. To prevent similar future attacks, the analyst recommends a practice that involves regularly applying updates and patches, removing unnecessary services, and configuring strong passwords. Which security hardening principle does this recommendation align with?Network Security
  14. 114.A SOC analyst is investigating a phishing campaign that successfully compromised several employee credentials. To prevent future similar attacks, the analyst is researching common tactics, techniques, and procedures (TTPs) used by the threat actor, as well as indicators of compromise (IoCs) such as malicious domains and file hashes. Which type of threat intelligence is the analyst primarily utilizing in this scenario?Security Operations
  15. 115.A security administrator is reviewing network traffic logs and observes a high volume of DNS queries for unusual, randomly generated subdomains, often followed by small amounts of data being sent to external IP addresses. This pattern is concerning because it suggests a covert communication channel. What type of attack or exfiltration technique is likely being observed?Network Security
  16. 116.A SOC analyst is investigating a potential data exfiltration incident. During the analysis phase, they need to gather evidence from a compromised workstation without altering its state. Which of the following forensic techniques is most appropriate for preserving the integrity of volatile data on the system?Security Operations
  17. 117.A Security Operations Center (SOC) is developing its incident response plan. They are defining clear roles, responsibilities, and communication channels for each stage of an incident. Which fundamental aspect of SOC operations are they primarily focusing on to ensure an effective and coordinated response?Security Operations
  18. 118.A security analyst observes a large volume of SYN packets directed at a web server from multiple disparate source IP addresses, with very few SYN-ACK responses from the server. This activity is causing the server to become unresponsive. Which type of attack is most likely occurring?Network Security
  19. 119.A security analyst observes numerous log entries in the SIEM indicating repeated attempts to access a highly sensitive database from an internal IP address that is not authorized for such access. The attempts are using valid credentials for a service account. Further investigation reveals that the service account credentials were recently compromised in a phishing attack. The analyst needs to determine the appropriate immediate action. Which of the following best describes the MOST effective immediate containment strategy?Security Operations
  20. 120.A security architect is designing a network for a new branch office that will handle sensitive customer data. The design includes a firewall that can inspect the full context of network traffic, including the application layer, user identity, and content, to make more intelligent security decisions beyond traditional port and protocol filtering. What type of firewall is the architect likely considering for this implementation?Network Security
  21. 121.A cybersecurity analyst is investigating an incident where an internal server was compromised. The attacker used a known exploit to gain access by sending a malformed packet to a specific port. The server was running an outdated version of a service. Which type of vulnerability did the attacker most likely exploit?Network Security
  22. 122.A SOC analyst is investigating a potential insider threat where an employee is suspected of exfiltrating sensitive company data. The analyst needs to collect forensic evidence from the employee's workstation, prioritizing data that is most likely to be lost when the system is powered off. Which type of data should the analyst focus on collecting first?Security Operations
  23. 123.A security analyst is investigating a suspected malware infection that is attempting to communicate with a Command and Control (C2) server over a non-standard port. The analyst needs to identify the source and destination IP addresses, port numbers, and protocol used in these suspicious communications. Which network security tool is best suited for real-time packet capture and analysis?Network Security
  24. 124.A small business is looking to implement a basic Security Information and Event Management (SIEM) solution. They have limited resources but need to centralize logs for compliance and basic threat detection. Which of the following is a primary benefit of using a SIEM for this scenario?Security Operations
  25. 125.A SOC analyst receives an alert indicating a large number of failed login attempts from an external IP address to a critical internal server, quickly followed by a successful login from a different, unexpected external IP address for the same user account. The SIEM correlates these events. Which phase of the kill chain is most likely represented by the successful login from the second IP address?Security Operations
  26. 126.A company is concerned about employees accessing unauthorized websites and downloading malicious content. They want a solution that can identify and block specific applications (e.g., peer-to-peer file sharing, certain streaming services) and filter web content based on categories, even if they use standard ports like 80 or 443. Which network security technology is designed to provide this level of granular control?Network Security
  27. 127.A network security engineer is designing a secure network for a new data center. They want to ensure that all traffic entering or leaving the data center is inspected for malicious content and potential threats, beyond just port and protocol filtering. Which of the following network security technologies would provide this deeper level of inspection?Network Security
  28. 128.A global organization is setting up a new Security Operations Center (SOC) to monitor its distributed infrastructure. They are debating between a centralized SOC model, where all analysts are located in one physical location, and a distributed SOC model, with analysts spread across multiple geographic regions. Which of the following is a primary advantage of adopting a distributed SOC model for a global organization?Security Operations
  29. 129.A large enterprise is migrating its on-premises infrastructure to a public cloud environment. The security team is concerned about maintaining the same level of network security, including micro-segmentation, intrusion prevention, and advanced threat detection, within the cloud. Which cloud security concept is crucial for achieving this goal?Network Security
  30. 130.A security auditor is reviewing a company's network security architecture and notes that critical internal servers (e.g., database servers, application servers) are directly accessible from the public-facing web servers in the DMZ. This configuration is considered a significant security risk. Which network security best practice is being violated?Network Security
  31. 131.A network administrator is reviewing firewall logs and notices a high volume of connection attempts from external IP addresses to internal hosts on multiple random, high-numbered ports. Many of these connection attempts are incomplete (SYN packets without corresponding ACK replies). What type of network attack is most likely occurring?Network Security
  32. 132.A SOC analyst is reviewing a high-severity alert from the SIEM indicating multiple failed login attempts against a critical web application, immediately followed by a successful login from an unusual geographic location using the same username. This sequence of events, correlated across different logs, suggests a credential stuffing attack. Which of the following SIEM capabilities is primarily responsible for detecting this type of complex attack scenario?Security Operations
  33. 133.A company is implementing new security protocols to protect its internal network. One of the key requirements is to ensure that all internal network traffic between different departments (e.g., HR, Finance, IT) cannot directly communicate without passing through a security gateway, even if they reside on the same physical network infrastructure. This approach aims to limit the lateral movement of potential attackers. What network security concept is being implemented here?Network Security
  34. 134.A security auditor is reviewing a company's data handling policies and recommends implementing encryption for all sensitive data stored on hard drives and transmitted over the network. This recommendation is primarily aimed at protecting the data from unauthorized disclosure, even if an attacker gains access to the storage or intercepts communication. Which principle of the CIA Triad is this recommendation directly addressing?Network Security
  35. 135.A SOC team is reviewing the effectiveness of their security controls against a recent phishing campaign that successfully compromised several user accounts. They are now updating their security awareness training and email filtering rules based on the lessons learned from this incident. In which phase of the incident response lifecycle would these actions typically occur?Security Operations
  36. 136.A small business is experiencing frequent network slowdowns and suspects a device on their network is generating excessive broadcast traffic, leading to a 'broadcast storm'. Which network device is primarily designed to prevent or mitigate the impact of broadcast storms by segmenting collision domains?Network Security
  37. 137.A company is implementing a security policy that mandates encryption for all data transmitted over its internal network, even between devices in the same subnet. Which cryptographic concept is primarily being addressed by this policy?Network Security
  38. 138.A large multinational corporation operates several Security Operations Centers (SOCs) in different geographical regions. Each regional SOC monitors local assets and reports to a central coordinating SOC. This model aims to leverage local expertise while maintaining overall corporate oversight. Which type of SOC model does this scenario best represent?Security Operations
  39. 139.A SOC analyst is performing a security assessment and identifies an unpatched web server with a known critical vulnerability that could allow remote code execution. The analyst creates a ticket for the IT team to apply the patch immediately. This action is part of which continuous security process?Security Operations
  40. 140.A network security team is implementing a new firewall policy that explicitly denies all traffic by default, and only allows specific, necessary traffic through explicit 'allow' rules. This approach aims to minimize the attack surface by ensuring that only authorized communication paths are open. Which security principle is this firewall policy primarily enforcing?Network Security
  41. 141.A security incident response team is analyzing logs following a suspected data exfiltration event. They observe unusual outbound connections from an internal server to an unknown external IP address on TCP port 53. Which network service is typically associated with TCP port 53, and why might this be suspicious?Network Security
  42. 142.A network security team is investigating an incident where an internal server was compromised. Forensic analysis shows that the attacker gained initial access by exploiting a known vulnerability in an outdated operating system service. Which security principle, if consistently applied, would have best prevented this initial compromise?Network Security
  43. 143.A Security Operations Center (SOC) analyst is reviewing alerts and notices a significant increase in failed login attempts originating from multiple external IP addresses targeting several internal user accounts. The attempts are occurring rapidly and appear to be automated. Which type of attack is most likely being observed?Security Operations
  44. 144.A SOC analyst is performing a forensic investigation on a compromised Linux server. The attacker is suspected to have deleted log files and other evidence. To uncover the attacker's activity, the analyst needs to examine areas of the disk that are not currently allocated to active files but may still contain remnants of deleted data. Which forensic technique is the analyst employing?Security Operations
  45. 145.A network engineer is designing a highly available network architecture for a critical application. The design includes redundant links and devices to ensure that if one component fails, traffic can automatically reroute through an alternative path with minimal disruption. Which network fundamental concept is being prioritized in this design?Network Security
  46. 146.A SOC analyst receives an alert from the SIEM indicating multiple failed login attempts followed immediately by a successful login to a critical administrative account from an unusual geographic location. The analyst needs to quickly understand the immediate threat and potential impact. Which type of threat intelligence would be most directly useful for immediate decision-making in this scenario?Security Operations
  47. 147.A company policy requires that all network devices, including routers, switches, and firewalls, must have their configuration settings regularly backed up to an offsite location. This is to ensure that in the event of a device failure or misconfiguration, the network can be quickly restored to a known good state. Which aspect of network security best practices does this policy primarily address?Network Security
  48. 148.A security auditor is reviewing a company's network architecture and notes that critical servers are placed in a network segment that is directly accessible from the internet, without any intermediate security devices. This segment also hosts public-facing web servers. This design poses a significant risk due to the lack of proper isolation. Which network security best practice is being violated?Network Security
  49. 149.A security analyst is reviewing network traffic logs and observes a high volume of seemingly legitimate DNS queries originating from internal hosts, but these queries are for unusual, non-existent domain names and contain encoded data. The destination DNS server is an external, non-standard server. What advanced persistent threat (APT) technique is most likely being employed by an attacker in this scenario?Network Security
  50. 150.A Security Operations Center (SOC) team is faced with a sophisticated, persistent threat actor that has evaded initial detection. The team decides to proactively search for indicators of compromise (IOCs) and TTPs (Tactics, Techniques, and Procedures) that are not yet triggering alerts in their SIEM. What term best describes this proactive security activity?Security Operations