[Dec 02, 2025] QSA_New_V4 Exam Dumps - PCI SSC Practice Test Questions
New Real QSA_New_V4 Exam Dumps Questions
NEW QUESTION # 29
Which of the following describes the intent of installing one primary function per server?
- A. To allow functions with different security levels to be implemented on the same server.
- B. To reduce the security level of functions with higher-security needs to meet the needs of lower-security functions.
- C. To allow higher-security functions to protect lower-security functions installed on the same server.
- D. To prevent server functions with a lower security level from introducing security weaknesses to higher- security functions on the same server.
Answer: D
Explanation:
As perRequirement 2.2.1, the purpose of limiting each server to one primary function is toreduce the risk of functions with lower security needs compromising more critical functions.
* Option A:#Incorrect. PCI DSS discourages combining different security-level functions.
* Option B:#Correct. This is the intent: toprevent lower-security processes from weakening high-security environments.
* Option C:#Incorrect. Functions shouldn't depend on one another for security.
* Option D:#Incorrect. PCI DSS encourages raising security, not lowering it.
NEW QUESTION # 30
Which of the following is a requirement for multi-tenant service providers?
- A. Provide customers with access to the hosting provider's system configuration files.
- B. Provide customers with a shared user ID for access to critical system binaries.
- C. Ensure that a customer's log files are available to all hosted entities.
- D. Ensure that customers cannot access another entity's cardholder data environment.
Answer: D
Explanation:
Formulti-tenant service providers,isolation and segmentationare critical. As perRequirement 12.10.3, each customer's environment must besegregated and protectedsuch that no tenant can access another's data or systems.
* Option A:#Correct. This is the foundational control -isolation of customer environments.
* Option B:#Incorrect. Exposing system config files is a security risk.
* Option C:#Incorrect. Shared user IDs areexplicitly prohibitedby Requirement 8.2.1.
* Option D:#Incorrect. Customers should only access their own logs.
Reference:PCI DSS v4.0.1 - Requirement 12.10.3; Scoping Guidance for Service Providers.
NEW QUESTION # 31
Which statement about the Attestation of Compliance (AOC) is correct?
- A. The AOC must be signed by both the merchant/service provider and by PCI SSC.
- B. There are different AOC templates for service providers and merchants.
- C. The AOC must be signed by either the merchant/service provider or the QSA/ISA.
- D. The same AOC template is used W ROCs and SAQs.
Answer: B
Explanation:
Attestation of Compliance (AOC):
* The AOC is a document that confirms an entity's compliance with PCI DSS requirements. It is signed by the entity (merchant or service provider) and the Qualified Security Assessor (QSA) if a QSA is involved.
Different AOC Templates:
* PCI DSS provides distinct templates for service providers and merchants, tailored to their respective roles and responsibilities within the cardholder data environment (CDE).
Invalid Options:
* B:PCI SSC does not sign AOCs; they are signed by the merchant/service provider and the QSA.
* C:AOCs differ between ROCs and SAQs, so the same template is not universally used.
* D:Both the merchant/service provider and the QSA/ISA (Internal Security Assessor) must sign the AOC when applicable.
NEW QUESTION # 32
Which statement about PAN is true?
- A. It does not require protection for transmission over public wireless networks.
- B. It must be protected with strong cryptography for transmission over private wired networks.
- C. It does not require protection for transmission over public wired networks.
- D. It must be protected with strong cryptography for transmission over private wireless networks.
Answer: D
Explanation:
Requirement 4.2.1.1states that PAN must beprotected with strong cryptographywhenever transmitted overopen or public networks, includingprivate wirelesswhere security is not assured. While not allprivate wired networksrequire encryption,wirelessis generally considered untrusted.
* Option A:#Correct. PAN must be encrypted overprivate wireless networksdue to potential interception risks.
* Option B:#Incorrect. Privatewirednetworks typically don't require encryption unless they're untrusted.
* Option C & D:#Incorrect. PANalways requires protectionover public networks.
Reference:PCI DSS v4.0.1 - Requirement 4.2.1.1.
NEW QUESTION # 33
An organization wishes to implement multi-factor authentication for remote access, using the user's individual password and a digital certificate. Which of the following scenarios would meet PCI DSS requirements for multi-factor authentication?
- A. Certificates are logged so they can be retrieved when the employee leaves the company.
- B. Certificates are assigned only to administrative groups, and not to regular users.
- C. A different certificate is assigned to each individual user account, and certificates are not shared.
- D. Change control processes are in place to ensure certificates are changed every 90 days.
Answer: C
Explanation:
PCI DSSRequirement 8.4.2requiresmulti-factor authentication (MFA)to consist of two or moreindependent authentication factors. MFA must alsonot involve shared credentials, so each certificate must be tied to a specific individual.
* Option A:#Incorrect. MFA must apply toall applicable users, not just admins.
* Option B:#Correct. This meets PCI DSS: unique credentials per user and non-shared certificates.
* Option C:#Incorrect. Retaining certificates post-employment is a risk, not a compliance action.
* Option D:#Incorrect. PCI DSS doesn't mandate 90-day certificate rotation; rather, secure usage and revocation are key.
Reference:PCI DSS v4.0.1 - Requirement 8.4.2 and 8.6.1.
NEW QUESTION # 34
An entity accepts e-commerce payment card transactions and stores account data in a database. The database server and the web server are both accessible from the Internet. The database server and the web server are on separate physical servers. What is required for the entity to meet PCI DSS requirements?
- A. The database server should be relocated so that it is not accessible from untrusted networks.
- B. The database server should be moved to a separate segment from the web server to allow for more concurrent connections.
- C. The web server should be moved into the internal network.
- D. The web server and the database server should be installed on the same physical server.
Answer: A
Explanation:
Requirement 1.3.7andRequirement 3.3.1emphasise thatdatabases storing cardholder data must not be directly accessible from the Internet or untrusted networks. The database must be behind firewalls and accessible only via controlled, authorised connections.
* Option A:#Incorrect. Combining servers may violate the one-function-per-server rule (Requirement
2.2.1).
* Option B:#Correct. The database must be protected fromdirect public access.
* Option C:#Incorrect. Web servers often reside in the DMZ; moving them internally could increase risk.
* Option D:#Incorrect. Network performance is not a PCI DSS concern -security isolation is.
References:
PCI DSS v4.0.1 - Requirement 1.3.7, Requirement 3.3.1, and Requirement 2.2.1.
NEW QUESTION # 35
Which of the following meets the definition of "quarterly" as indicated in the description of timeframes used in PCI DSS requirements?
- A. At least once every 95-97 days.
- B. Occurring at some point in each quarter of a year.
- C. On the 15th of each third month.
- D. On the 1st of each fourth month.
Answer: B
Explanation:
According toSection 7 - Description of Timeframes Used in PCI DSS Requirements, the PCI DSS defines
"quarterly" as:
"An activity performed once per calendar quarter (i.e., one time in each three-month period), or as close as reasonably possible to the calendar quarter."
* Option A:#Correct. This aligns precisely with PCI DSS's definition -once in each three-month calendar quarter.
* Option B:#Incorrect. PCI DSS doesnotdefine quarterly by a fixed number of days.
* Option C & D:#Incorrect. Specific dates or months are not prescribed.
Reference:PCI DSS v4.0.1 - Section 7: Description of Timeframes Used in PCI DSS Requirements.
NEW QUESTION # 36
Which statement is true regarding the use of intrusion detection techniques, such as intrusion detection systems and/or Intrusion protection systems (IDS/IPS)?
- A. Intrusion detection techniques are required on all system components.
- B. Intrusion detection techniques are required to alert personnel of suspected compromises.
- C. Intrusion detection techniques are required to isolate systems in the cardholder data environment from all other systems
- D. Intrusion detection techniques are required to identify all instances of cardholder data.
Answer: B
Explanation:
PCI DSS Requirement:
* Requirement 11.4 mandates the implementation of intrusion detection and/or intrusion prevention techniques to alert personnel of suspected compromises within the cardholder data environment (CDE).
Purpose of IDS/IPS:
* These systems are deployed to identify potential threats and alert relevant personnel, enabling them to take corrective actions to prevent data breaches.
Rationale Behind Correct answer:
* A:Intrusion detection is required only for in-scope components, not all system components.
* C/D:Intrusion detection systems do not perform isolation or identification of all cardholder data; they monitor for and alert on potential intrusions.
NEW QUESTION # 37
Which of the following is required to be included in an incident response plan?
- A. Procedures for responding to the detection of unauthorized wireless access points.
- B. Procedures for launching a reverse-attack on the individual(s) responsible for the security incident.
- C. Procedures for notifying PCI SSC of the security incident.
- D. Procedures for securely deleting incident response records immediately upon resolution of the incident.
Answer: A
Explanation:
According toRequirement 12.10.1, an effectiveincident response plan (IRP)must include steps to detect, respond to, and contain incidents such asunauthorised wireless access points. PCI DSS11.2.1also mandates quarterly rogue AP detection.
* Option A:#Incorrect. Notification to PCI SSC is not required; notification goes toacquirers/payment brands.
* Option B:#Correct. The IRP must includeresponse to unauthorised wireless access detection.
* Option C:#Incorrect. Records must beretained, not deleted.
* Option D:#Incorrect. Retaliatory or offensive actions arenot allowed or recommended.
NEW QUESTION # 38
Which of the following file types must be monitored by a change-detection mechanism (for example, a file- integrity monitoring tool)?
- A. Application vendor manuals
- B. System configuration and parameter files
- C. Files that regularly change
- D. Security policy and procedure documents
Answer: B
Explanation:
Scope of Change-Detection Mechanisms
* PCI DSS v4.0 requires the implementation of a change-detection mechanism (e.g., file-integrity monitoring) to monitor unauthorized changes to critical files.
* Critical files include system configuration and parameter files, application executable files, and scripts used in administrative functions.
Intent of Monitoring System Files
* These files often control security settings and operational parameters of systems within the Cardholder Data Environment (CDE). Unauthorized changes could compromise system security.
Exclusions
* Documents like application vendor manuals and security policies do not qualify as files requiring integrity monitoring since they do not directly impact the security posture or operational functions of systems in the CDE.
NEW QUESTION # 39
Which scenario meets PCI DSS requirements for critical systems to have correct and consistent time?
- A. Each Internal system Is configured to be Its own time server.
- B. Access to time configuration settings is available to all users of the system.
- C. Each internal system peers directly with an external source to ensure accuracy of time updates.
- D. Central time servers receive time signals from specific, approved external sources.
Answer: D
Explanation:
Time Synchronization Standards:
* PCI DSS Requirement 10.4 mandates that all critical systems use a centralized time server to ensure time accuracy across systems. Approved external sources provide a reliable and consistent time signal.
Correctness and Consistency of Time:
* Using a central time server ensures uniformity of timestamps, which is critical for forensic analysis, log correlation, and monitoring activities.
Invalid Options:
* A:Internal systems acting as their own servers could lead to inconsistent timestamps.
* B:Allowing all users access to time settings poses a security risk.
* D:Peering directly with external sources bypasses centralized control, violating consistency requirements.
NEW QUESTION # 40
An entity wants to know if the Software Security Framework can be leveraged during their assessment.
Which of the following software types would this apply to?
- A. Validated Payment Applications that are listed by PCI SSC and have undergone a PA-DSS assessment.
- B. Any payment software in the CDE.
- C. Software developed by the entity in accordance with the Secure SLC Standard.
- D. Only software which runs on PCI PTS devices.
Answer: C
Explanation:
TheSoftware Security Framework (SSF)is intended to support entities usingbespoke and custom softwarewithin the Cardholder Data Environment (CDE). If the software is developed and maintained in accordance with theSecure Software Lifecycle (SLC) Standard, it can help demonstrate secure software development practices and potentially reduce the number of applicable PCI DSS requirements.
* Option A:Incorrect. Not all payment software qualifies unless developed under SSF standards.
* Option B:Incorrect. PCI PTS devices follow different hardware security standards.
* Option C:Incorrect. PA-DSS has been retired; those applications are now listed as "Acceptable Only for Pre-Existing Deployments".
* Option D:Correct. Software developed under the Secure SLC Standard may help an entity meet some requirements in PCI DSS Requirement 6.
NEW QUESTION # 41
An entity accepts e-commerce payment card transactions and stores account data in a database. The database server and the web server are both accessible from the Internet. The database server and the web server are on separate physical servers. What is required for the entity to meet PCI DSS requirements?
- A. The web server should be moved into the Internal network.
- B. The database server should be relocated so that it is not accessible from untrusted networks.
- C. The database server should be moved to a separate segment from the web server to allow for more concurrent connections.
- D. The web server and the database server should be installed on the same physical server.
Answer: B
Explanation:
Protecting the Database Server
* PCI DSS v4.0 requires that systems storing cardholder data, such as database servers, must not be directly accessible from untrusted networks (Requirement 1.3).
* The database server should be behind network security controls like firewalls and placed in a segmented network isolated from untrusted networks.
Segmentation Best Practices
* The web server, which interfaces with external users, can remain accessible from the Internet but should reside in a DMZ to prevent direct access to the internal network.
* This separation protects the database server from external threats while maintaining system functionality.
Incorrect Options
* Option A: Combining the web and database servers increases the attack surface and violates best practices.
* Option C: Moving the web server to the internal network exposes the internal environment.
* Option D: Segmentation is critical, but the reason is not solely to allow more concurrent connections.
NEW QUESTION # 42
Which of the following statements is true regarding track equivalent data on the chip of a payment card?
- A. It is allowed to be stored by merchants after authorization, if encrypted.
- B. It is sensitive authentication data.
- C. It is out of scope for PCI DSS.
- D. It is not applicable for PCI DSS Requirement 3.2.
Answer: B
Explanation:
Track equivalent data- whether from a magnetic stripe or embedded chip - falls underSensitive Authentication Data (SAD)and mustnot be stored after authorisation, even if encrypted. This is covered underRequirement 3.3.1and Table 3 in PCI DSS v4.0.1.
* Option A:#Incorrect. SADmust not be stored after authorisation, regardless of encryption.
* Option B:#Correct. Track equivalent data is explicitly defined asSAD.
* Option C:#Incorrect. SAD is fullyin-scopefor PCI DSS.
* Option D:#Incorrect. Requirement 3.2 and 3.3 specifically address SAD.
NEW QUESTION # 43
An organization has implemented a change-detection mechanism on their systems. How often must critical file comparisons be performed?
- A. Only after a valid change is installed
- B. At least monthly
- C. Periodically as defined by the entity
- D. At least weekly
Answer: D
Explanation:
As specified underRequirement 11.5.2.1, comparisons of critical files (e.g., config files, executables) using change-detection mechanisms (e.g., FIM tools)must occur at least weekly. This ensures timely detection of unauthorized changes or tampering.
* Option A:#Correct. Weekly is theminimum frequencyrequired.
* Option B:#Incorrect. A defined "period" is not sufficient unless it's weekly or more frequent.
* Option C:#Incorrect. Scans should not wait for changes; they should detectunexpectedones.
* Option D:#Incorrect. Monthly is too infrequent for PCI DSS compliance.
NEW QUESTION # 44
Which of the following file types must be monitored by a change-detection mechanism (e.g., a file-integrity monitoring tool)?
- A. Application vendor manuals
- B. System configuration and parameter files
- C. Files that regularly change
- D. Security policy and procedure documents
Answer: B
Explanation:
PCI DSSRequirement 11.5.2mandates the use of file-integrity monitoring (FIM) or change-detection tools to monitorcritical filessuch as system binaries, configuration files, and system parameters.
* Option A:#Incorrect. Manuals are not critical system files.
* Option B:#Incorrect. Regularly changing files (e.g., logs or temp files) are typically excluded.
* Option C:#Incorrect. Policies and procedures are reviewed but not subject to FIM.
* Option D:#Correct. System config and parameter files must bemonitored for unauthorised changes.
NEW QUESTION # 45
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