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PCI SSC QSA_New_V4 Exam Syllabus Topics:
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NEW QUESTION # 26
Which of the following types of events is required to be logged?
- A. All use of end-user messaging technologies.
- B. All access to external web sites.
- C. All access to all audit trails.
- D. All network transmissions.
Answer: C
Explanation:
Requirement10.2.2mandates that all access to audit trails must be logged. This ensures that any tampering, viewing, or deletion of audit data is traceable. It supports the broader goal of maintaining audit trail integrity and accountability.
* Option A:Incorrect. PCI DSS does not require logging use of end-user messaging.
* Option B:Incorrect. There's no explicit requirement to log access to external websites.
* Option C:Correct. PCI DSS mandates loggingall access to audit trailsto detect and respond to unauthorised attempts.
* Option D:Incorrect. Logging all network transmissions is not feasible and not required.
Reference:PCI DSS v4.0.1 - Requirement 10.2.2.
NEW QUESTION # 27
If disk encryption is used to protect account data, what requirement should be met for the disk encryption solution?
- A. The decryption keys must be stored within the local user account database.
- B. The decryption keys must be associated with the local user account database.
- C. Access to the disk encryption must be managed independently of the operating system access control mechanisms.
- D. The disk encryption system must use the same user account authenticator as the operating system.
Answer: C
Explanation:
According toRequirement 3.5.1.2, whendisk-level encryptionis used (e.g., full disk encryption), access control must beseparate from the operating systemto prevent unauthorised users from bypassing controls by booting the system.
* Option A:#Correct. Disk encryption must useindependent authentication mechanisms.
* Option B:#Incorrect. Sharing authentication with the OSviolates independence.
* Option C:#Incorrect. Association with local accounts may not ensure separate access control.
* Option D:#Incorrect. Key storage within user accounts is not secure or compliant.
NEW QUESTION # 28
Which statement is true regarding the PCI DSS Report on Compliance (ROC)?
- A. The assessor must create their own ROC template for each assessment report.
- B. The assessor may use either their own template or the ROC Reporting Template provided by PCI SSC.
- C. The ROC Reporting Template provided by PCI SSC is only required for service provider assessments.
- D. The ROC Reporting Template and instructions provided by PCI SSC should be used for all ROCs.
Answer: D
Explanation:
PerSection 11 and 12of PCI DSS v4.0.1, assessors arerequired to use the official PCI SSC ROC Reporting Template. This ensures uniformity and completeness across all assessments. The same requirement applies to bothmerchants and service providersundergoing afull assessment (ROC).
* Option A:#Correct. PCI SSC mandates use of its official ROC template.
* Option B:#Incorrect. Custom assessor templates arenot permitted.
* Option C:#Incorrect. Assessorsmust notcreate their own templates.
* Option D:#Incorrect. The ROC template is used forbothmerchants and service providers, where applicable.
References:
PCI DSS v4.0.1 - Section 11: ROC Instructions;
PCI SSC ROC Reporting Template (available from the PCI SSC Document Library).
NEW QUESTION # 29
Where can live PANs be used for testing?
- A. Pre-production environments thatare located within the CDE.
- B. Testing with live PANs must only be performed in the OSA Company environment.
- C. Pre-production (test) environments only it located outside the CDE.
- D. Production (live) environments only.
Answer: A
Explanation:
Testing with Live PANs
* PCI DSS Requirement 6.4.3 requires that live PANs (Primary Account Numbers) only be used in secure and controlled environments within the CDE.
* Pre-production environments located within the CDE must adhere to all PCI DSS requirements for security and monitoring.
Prohibited Uses
* Testing with live PANs in environments outside the CDE violates PCI DSS. Only simulated data should be used in less secure testing environments.
Incorrect Options
* Option A: Production environments are for real transactions, not testing.
* Option B: Test environments outside the CDE are insecure for live PANs.
* Option D: The QSA environment is irrelevant to the organization's CDE testing controls.
NEW QUESTION # 30
Viewing of audit log files should be limited to?
- A. Individuals with administrator privileges.
- B. Individuals with a job-related need.
- C. Individuals with read/write access.
- D. Individuals who performed the logged activity.
Answer: B
Explanation:
Audit Log Access Control:
* PCI DSS Requirement 10.7 restricts access to audit logs to individuals with a job-related need to protect the integrity and confidentiality of the logs.
Rationale for Job-Related Need:
* Limiting access reduces the risk of tampering, accidental modification, or exposure of sensitive information.
Invalid Options:
* A:Individuals who performed the activity should not necessarily view logs unless required.
* B/C:Read/write access or administrator privileges are not prerequisites for log viewing.
NEW QUESTION # 31
Which of the following is an example of multi-factor authentication?
- A. A user password and a PIN-activated smart card.
- B. A user passphrase and an application-level password.
- C. A token that must be presented twice during the login process.
- D. A user fingerprint and a user thumbprint.
Answer: A
Explanation:
Requirement 8.4.2defines multi-factor authentication (MFA) asauthentication that requires at least two of the following:
* Something you know (password/PIN)
* Something you have (smart card/token)
* Something you are (biometric)
* Option A:#Incorrect. Presenting the same token twice is stillsingle-factor.
* Option B:#Incorrect. Two passwords arestill one factor- "something you know".
* Option C:#Correct. Password (something you know) + smart card (something you have) =MFA.
* Option D:#Incorrect. Fingerprint and thumbprint are bothbiometrics, so one factor.
Reference:PCI DSS v4.0.1 - Requirement 8.4.2 and Glossary definition of MFA.
NEW QUESTION # 32
An entity wants to use the Customized Approach. They are unsure how to complete the Controls Matrix or TRA. During the assessment, you spend time completing the Controls Matrix and the TRA, while also ensuring that the customized control is implemented securely. Which of the following statements is true?
- A. You can assess the customized control, but another assessor must verify thatyou completed the TRA correctly.
- B. Assessors are not allowed to assist an entity with the completion of the Controls Matrix or the TRA.
- C. You can assess the customized control and verify that the customized approach was correctly followed, but you must document this in the ROC.
- D. You must document the work on the customized control in the ROC, but you can not assess the control or the documentation.
Answer: C
Explanation:
Customized Approach Overview:
* Under PCI DSS v4.0, entities can use a Customized Approach to meet requirements by implementing controls tailored to their environment. This allows flexibility while still achieving the intent of the security requirement.
Role of Assessors:
* Assessors (QSAs) are responsible for evaluating both the implementation of customized controls and ensuring these controls fulfill the security objectives of the PCI DSS requirements.
* QSAs must document the evaluation, evidence reviewed, and results in the Report on Compliance (ROC).
Controls Matrix and Targeted Risk Analysis (TRA):
* The Controls Matrix and TRA are key components of the Customized Approach. QSAs assist in verifying the accuracy and completeness of these tools during assessments.
Documenting in the ROC:
* The ROC must include a narrative explaining the assessor's findings regarding the customized control, validation methods, and any evidence collected.
Relevant PCI DSS v4.0 Guidance:
* Appendix D and E of the PCI DSS v4.0 ROC Template emphasize that QSAs can evaluate and confirm adherence to the Customized Approach provided this is documented comprehensively in the ROC.
NEW QUESTION # 33
Which of the following statements is true whenever a cryptographic key is retired and replaced with a new key?
- A. A new key custodian must be assigned.
- B. Cryptographic key components from the retired key must be retained for 3 months before disposal.
- C. All data encrypted under the retired key must be securely destroyed.
- D. The retired key must not be used for encryption operations.
Answer: D
Explanation:
When a cryptographic key is retired and replaced, it is essential to ensure that the retired key is no longer used for encryption purposes to maintain the security of the cryptographic system.
* Option A:Correct. Retired keys must not be used for encryption operations to prevent potential security vulnerabilities. However, they may be retained for decryption purposes if necessary, such as decrypting existing data encrypted under the retired key.
* Option B:Incorrect. PCI DSS does not specify a mandatory retention period for retired cryptographic key components before disposal. Retention periods should align with the entity's data retention policies and legal requirements.
* Option C:Incorrect. Assigning a new key custodian is not a mandatory requirement upon key retirement and replacement, though proper key management practices should ensure that custodianship is clearly defined and documented.
* Option D:Incorrect. While data encrypted under a retired key should be re-encrypted with the new key or securely managed, PCI DSS does not mandate the destruction of such data solely due to key retirement.
For more information on cryptographic key management practices, refer toRequirement 3: Protect Stored Account Datain thePCI DSS v4.0.1document.Wikipedia
NEW QUESTION # 34
An organization has implemented a change-detection mechanism on their systems. How often must critical file comparisons be performed?
- A. At least weekly
- B. At least monthly
- C. Periodically as defined by the entity
- D. Only after a valid change is installed
Answer: A
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.
Reference:PCI DSS v4.0.1 - Requirement 11.5.2.1.
NEW QUESTION # 35
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 to isolate systems in the cardholder data environment from all other systems.
- B. Intrusion detection techniques are required to identify all instances of cardholder data.
- C. Intrusion detection techniques are required on all system components.
- D. Intrusion detection techniques are required to alert personnel of suspected compromises.
Answer: D
Explanation:
Requirement 11.5.1mandates that organisations deployintrusion-detection or prevention toolstomonitor traffic and generate alertsfor suspicious activity. The goal is tonotify personnel quicklyof a possible breach.
* Option A:#Incorrect. IDS/IPS isnot requiredon every component - only where it adds value.
* Option B:#Correct. IDS/IPS must be configured toalert on potential compromises.
* Option C:#Incorrect. Segmentation is a separate concern under Requirement 1.
* Option D:#Incorrect. IDS is not for discovering cardholder data.
NEW QUESTION # 36
In the ROC Reporting Template, which of the following is the best approach for a response where the requirement was "In Place"?
- A. Details of how the assessor observed the entity's systems were not compliant with the requirement.
- B. Details of the entity's project plan for implementing the requirement.
- C. Details of the entity's reason for not implementing the requirement.
- D. Details of how the assessor observed the entity's systems were compliant with the requirement.
Answer: D
Explanation:
TheROC Reporting Templaterequires assessors todocument how the requirement was verifiedas "In Place".
This includesmethods used, evidence reviewed, and how compliance was determined.
* Option A:#Incorrect. Project plans are relevant for "In Progress", not "In Place".
* Option B:#Correct. "In Place" requires an explanation ofassessor observations and validation.
* Option C:#Incorrect. This applies to "Not in Place".
* Option D:#Incorrect. This applies to non-compliance scenarios.
NEW QUESTION # 37
Which of the following is an example of multi-factor authentication?
- A. A user password and a PIN-activated smart card.
- B. A user passphrase and an application-level password.
- C. A token that must be presented twice during the login process.
- D. A user fingerprint and a user thumbprint.
Answer: A
Explanation:
Requirement 8.4.2defines multi-factor authentication (MFA) asauthentication that requires at least two of the following:
* Something you know (password/PIN)
* Something you have (smart card/token)
* Something you are (biometric)
* Option A:#Incorrect. Presenting the same token twice is stillsingle-factor.
* Option B:#Incorrect. Two passwords arestill one factor- "something you know".
* Option C:#Correct. Password (something you know) + smart card (something you have) =MFA.
* Option D:#Incorrect. Fingerprint and thumbprint are bothbiometrics, so one factor.
NEW QUESTION # 38
A "Partial Assessment" is a new assessment result. What is a "Partial Assessment"?
- A. An assessment with at least one requirement marked as "Not Tested".
- B. A ROC that has been completed after using an SAQ to determine which requirements should be tested, as per FAQ 1331.
- C. A term used by payment brands and acquirers to describe entities that have multiple payment channels, with each channel having its own assessment.
- D. An interim result before the final ROC has been completed.
Answer: A
Explanation:
According toSection 12.2.3.3 of PCI DSS v4.0.1, aPartial Assessmentis defined as a result whereat least one PCI DSS requirement is marked as "Not Tested."This is typically seen duringgap assessments or pre- validation efforts, not official compliance validation.
* Option A:#Incorrect. SAQs are self-assessments; Partial Assessment is a different concept.
* Option B:#Incorrect. Interim drafts are not labeled as "Partial".
* Option C:#Incorrect. That is a misinterpretation of segmentation by payment channel.
* Option D:#Correct. "Not Tested" = Partial Assessment.
NEW QUESTION # 39
The intent of assigning a risk ranking to vulnerabilities is to?
- A. Ensure all vulnerabilities are addressed within 30 days.
- B. Replace the need for quarterly ASV scans.
- C. Prioritize the highest risk items so they can be addressed more quickly.
- D. Ensure that critical security patches are installed at least quarterly.
Answer: C
Explanation:
PCI DSSRequirement 6.3.1requires entities toassign a risk rankingto vulnerabilities (e.g., high, medium, low) to ensure thatremediation efforts are prioritised. This risk-based approach helps organisations focus resources where they are most needed.
* Option A:#Incorrect. Timeframes depend on the severity and internal policy, not always 30 days.
* Option B:#Incorrect. Risk ranking supports remediation but doesn't replace scanning.
* Option C:#Correct. The purpose is toprioritise higher-risk itemsfor faster action.
* Option D:#Incorrect. Patch frequency is addressed elsewhere (Requirement 6.3.3).
Reference:PCI DSS v4.0.1 - Requirement 6.3.1.
NEW QUESTION # 40
Which of the following describes "stateful responses" to communication Initiated by a trusted network?
- A. A current baseline of application configurations is maintained and any mis-configuration is responded to promptly.
- B. Active network connections are tracked so that invalid "response" traffic can be identified.
- C. Administrative access to respond to requests to change the firewall Is limited to one individual at a time.
- D. Logs of user activity on the firewall are correlated to identify and respond to suspicious behavior.
Answer: B
Explanation:
Stateful Inspection
* PCI DSS Requirement 1.2 specifies the need for stateful inspection to track the state of active connections. This ensures that only valid responses to communication initiated by trusted networks are allowed.
* Invalid or unsolicited response traffic is blocked to prevent exploitation of vulnerabilities.
Key Functionality of Stateful Firewalls
* Stateful firewalls maintain session information and only allow traffic that matches an existing session or expected response.
Incorrect Options
* Option A: Administrative access restrictions are important but unrelated to stateful responses.
* Option C: Baseline configurations are a different security control.
* Option D: Logging and correlation are for threat detection, not stateful response.
NEW QUESTION # 41
A sample of business facilities is reviewed during the PCI DSS assessment. What is the assessor required to validate about the sample?
- A. The number of facilities in the sample is at least 10 percent of the total number of facilities.
- B. All types and locations of facilities are represented.
- C. It includes a consistent set of facilities that are reviewed for all assessments.
- D. Every facility where cardholder data is stored is reviewed.
Answer: B
Explanation:
Sampling in Assessments
* PCI DSS v4.0 requires assessors to ensure that sampled business facilities represent all types and locations to provide comprehensive coverage of the entity's operations.
Sampling Considerations
* Assessors must include facilities storing or processing cardholder data and validate controls across diverse locations.
Incorrect Options
* Option A: Consistency does not ensure comprehensive representation.
* Option B: PCI DSS does not mandate a 10% sample size.
* Option C: It is not mandatory to review every facility storing cardholder data.
NEW QUESTION # 42
Which of the following parties is responsible for completion of the Controls Matrix for the Customized Approach?
- A. Only a Qualified Security Assessor (QSA).
- B. Card brands or acquirer.
- C. Entity being assessed.
- D. Either a QSA, AQSA, or PCIP.
Answer: C
Explanation:
UnderAppendix D - Customized Approach, it is clearly stated that theentity is responsiblefor completing theControls Matrixand theTargeted Risk Analysis (TRA). The assessor may assist in completion, but accountability for content lies with the entity.
* Option A:Incorrect. QSAs may assist but are not solely responsible.
* Option B:Incorrect. This overstates who is responsible; only the entity is ultimately accountable.
* Option C:Correct. The entity being assessed is responsible for completing the Controls Matrix and TRA.
* Option D:Incorrect. Card brands or acquirers are not involved in document creation.
Reference:PCI DSS v4.0.1 - Appendix D: Customized Approach (D.2, D.4).
NEW QUESTION # 43
Which of the following parties is responsible for completion of the Controls Matrix for the Customized Approach?
- A. Only a Qualified Security Assessor (QSA).
- B. Card brands or acquirer.
- C. Entity being assessed.
- D. Either a QSA, AQSA, or PCIP.
Answer: C
Explanation:
UnderAppendix D - Customized Approach, it is clearly stated that theentity is responsiblefor completing theControls Matrixand theTargeted Risk Analysis (TRA). The assessor may assist in completion, but accountability for content lies with the entity.
* Option A:Incorrect. QSAs may assist but are not solely responsible.
* Option B:Incorrect. This overstates who is responsible; only the entity is ultimately accountable.
* Option C:Correct. The entity being assessed is responsible for completing the Controls Matrix and TRA.
* Option D:Incorrect. Card brands or acquirers are not involved in document creation.
NEW QUESTION # 44
A retail merchant has a server room containing systems that store encrypted PAN data. The merchant has implemented a badge access-control system that identifies who entered and exited the room, on what date, and at what time. There are no video cameras located in the server room. Based on this information, which statement is true regarding PCI DSS physical security requirements?
- A. Data from the access-control system must be securely deleted on a monthly basis.
- B. The badge access-control system must be protected from tampering or disabling.
- C. The merchant must install video cameras in addition to the existing access-control system.
- D. The merchant must install motion-sensing alarms in addition to the existing access-control system.
Answer: B
Explanation:
According toRequirement 9.3.1and9.4.1.2, physical access control mechanisms - including badge readers - must beprotected against tampering or disablingto prevent unauthorized access and maintain the integrity of access logs.
* Option A:Correct. Physical access control systems must be protected from tampering.
* Option B:Incorrect. Video cameras are requiredonly where appropriate; badge access may suffice.
* Option C:Incorrect. Access logs must beretained for at least three months, not deleted monthly (see
9.4.1.3).
* Option D:Incorrect. Motion sensors are not specifically required.
Reference:PCI DSS v4.0.1 - Requirements 9.3.1, 9.4.1.2, 9.4.1.3.
NEW QUESTION # 45
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. Only software which runs on PCI PTS devices.
- B. Software developed by the entity in accordance with the Secure SLC Standard.
- C. Validated Payment Applications that are listed by PCI SSC and have undergone a PA-DSS assessment.
- D. Any payment software in the CDE.
Answer: B
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 # 46
Which statement is true regarding the presence of both hashed and truncated versions of the same PAN in an environment?
- A. Hashed and truncated versions of a PAN must not exist in same environment.
- B. Controls are needed to prevent the original PAN being exposed by the hashed and truncated versions.
- C. The hashed and truncated versions must be correlated so the source PAN can be identified.
- D. The hashed version of the PAN must also be truncated per PCI DSS requirements for strong cryptography.
Answer: B
Explanation:
* Hashing and Truncation
* PCI DSS Requirement 3.4 mandates protecting stored PAN using methods like hashing and truncation. If both versions coexist, controls must ensure they cannot be combined to reconstruct the original PAN.
* Incorrect Options
* Option B: Truncation is unrelated to hashed PANs.
* Option C: Correlation of hashed and truncated versions to identify the PAN violates PCI DSS principles.
* Option D: Coexistence of hashed and truncated PANs is permissible if proper controls are in place.
NEW QUESTION # 47
Which statement about PAN is true?
- A. It must be protected with strong cryptography tor transmission over private wired networks.
- B. It must be protected with strong cryptography for transmission over private wireless networks.
- C. It does not require protection for transmission over public wireless networks.
- D. It does not require protection for transmission over public wired networks.
Answer: B
Explanation:
PAN Transmission Protection
* PCI DSS Requirement 4.1 mandates strong cryptography for PAN during transmission over both public and private wireless networks to prevent unauthorized interception.
Incorrect Options
* Options B and D: PAN protection is not required for private wired networks.
* Option C: PAN must be protected during transmission over public wireless networks.
NEW QUESTION # 48
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