Real QSA_New_V4 Exam PDF Test Engine Practice Test Questions

PCI SSC QSA_New_V4 Real 2025 Braindumps Mock Exam Dumps

NEW QUESTION # 11
Viewing of audit log files should be limited to?

• A. Individuals with a job-related need.
• B. Individuals with read/write access.
• C. Individuals with administrator privileges.
• D. Individuals who performed the logged activity.

Answer: A

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 # 12
At which step in the payment transaction process does the merchant's bank pay the merchant for the purchase, and the cardholder's bank bill the cardholder?

• A. Authorization
• B. Clearing
• C. Settlement
• D. Chargeback

Answer: C

Explanation:
Settlement in the Payment Process
* Settlement is the stage where the merchant's bank pays the merchant for the transaction, and the cardholder's bank debits the cardholder's account.
* PCI DSS does not explicitly describe the settlement process but emphasizes the protection of data during all stages.
Transaction Stages
* Authorization:Approves the transaction.
* Clearing:Data is sent to the cardholder's bank.
* Settlement:Funds are transferred between banks.
* Chargeback:Disputes are handled, and funds might be reversed.

NEW QUESTION # 13
What do PCI DSS requirements for protecting cryptographic keys include?

• A. Data-encrypting keys must be stronger than the key-encrypting key that protects it.
• B. Private or secret keys must be encrypted, stored within an SCD, or stored as key components.
• C. Key-encrypting keys and data-encrypting keys must be assigned to the same key custodian.
• D. Public keys must be encrypted with a key-encrypting key.

Answer: B

Explanation:
Key Management Requirements:
* PCI DSS Requirement 3.5 specifies the protection of cryptographic keys, including encryption, storage in secure cryptographic devices (SCDs), or as key components to ensure security and prevent unauthorized access.
Clarifications on Cryptographic Key Protection:
* A/B:Public keys and key strength requirements are not specified in this context.
* D:Separation of duties mandates that key-encrypting and data-encrypting keys must not be assigned to the same custodian.
Testing and Validation:
* QSAs verify compliance by examining key management practices, storage mechanisms, and access controls for cryptographic keys during the assessment.

NEW QUESTION # 14
Where can live PANs be used for testing?

• A. Production (live) environments only.
• B. Testing with live PANs must only be performed in the OSA Company environment.
• C. Pre-production environments thatare located within the CDE.
• D. Pre-production (test) environments only it located outside the CDE.

Answer: C

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 # 15
A network firewall has been configured with the latest vendor security patches. What additional configuration Is needed to harden the firewall?

• A. Synchronize the firewall rules with the other firewalls in the environment.
• B. Configure the firewall to permit all traffic until additional rules are defined.
• C. Remove the default "Firewall Administrator account and create a shared account for firewall administrators to use.
• D. Disable any firewall functions that are not needed in production.

Answer: D

Explanation:
Firewall Hardening:
* Requirement 1.2 mandates that firewalls should be configured with only the necessary functionality to reduce attack surfaces. Disabling unused functions eliminates potential vulnerabilities.
Explanation of Other Options:
* A:Shared accounts violate Requirement 8.1.5, which prohibits shared or generic accounts.
* B:Allowing all traffic initially violates Requirement 1.2.1, which requires a restrictive firewall policy.
* C:Synchronization of rules may not always be necessary, especially for firewalls with different scopes or roles.

NEW QUESTION # 16
Which of the following is true regarding compensating controls?

• A. A compensating control must address the risk associated with not adhering to the PCI DSS requirement.
• B. A compensating control worksheet is not required if the acquirer approves the compensating control.
• C. A compensating control is not necessary if all other PCI DSS requirements are in place.
• D. An existing PCI DSS requirement can be used as compensating control if it is already implemented.

Answer: A

Explanation:
Compensating Controls Definition and Purpose
* A compensating control is an alternate measure that satisfies the intent of a specific PCI DSS requirement and provides an equivalent level of security.
* The rationale and risk mitigation must be explicitly documented using the Compensating Control Worksheet (CCW).
Mandatory Documentation
* PCI DSS v4.0 mandates the use of a CCW when implementing compensating controls. This applies regardless of acquirer approvals.
* The CCW requires detailed documentation including:
* Constraints preventing the original requirement from being implemented.
* Justification for the compensating control.
* Description of the control and evidence of its effectiveness.
Using Existing Requirements
* If an existing PCI DSS requirement (e.g., Requirement 5 for antivirus) is already implemented and can mitigate the risks of not meeting another requirement, it may qualify as a compensating control.
Approval and Review Process
* QSAs must validate the implementation, effectiveness, and appropriateness of compensating controls during the assessment process

NEW QUESTION # 17
Security policies and operational procedures should be?

• A. Distributed to and understood by ail affected parties.
• B. Reviewed and updated at least quarterly.
• C. Encrypted with strong cryptography.
• D. Stored securely so that only management has access.

Answer: A

Explanation:
Requirement Context:
* PCI DSS Requirement 12.5 mandates that security policies and operational procedures are not only documented but also distributed to relevant parties to ensure clarity and compliance.
Importance of Distribution and Awareness:
* All affected parties, including employees, contractors, and third parties with access to the cardholder data environment (CDE), must receive and understand the policies. This ensures they adhere to the security measures.
Review and Updates:
* Security policies must be kept up to date and reviewed at least annually or after significant changes in the environment. While other options such as encryption or restricted access are important for security, the critical focus is on distribution and awareness to ensure operational effectiveness.
Testing and Validation:
* During assessments, QSAs validate the implementation by examining training records, communication logs, and acknowledgment forms signed by affected parties.
Relevant PCI DSS v4.0 Guidance:
* Section 12.5.1 of PCI DSS v4.0 outlines that the dissemination of policies must ensure that all personnel understand their roles in securing the environment.

NEW QUESTION # 18
Which of the following statements Is true whenever a cryptographic key Is retired and replaced with a new key?

• A. The retired key must not be used for encryption operations.
• B. All data encrypted under the retired key must be securely destroyed.
• C. Anew key custodian must be assigned.
• D. Cryptographic key components from the retired key must be retained for 3 months before disposal.

Answer: A

Explanation:
Key Management Requirements:
* PCI DSS Requirement 3.6.5 specifies that when a cryptographic key is retired, it must no longer be used for encryption operations but may still be retained for decryption purposes as needed (e.g., to decrypt historical data until it is re-encrypted with the new key).
Secure Key Retirement:
* Retired keys should be securely stored or destroyed based on the organization's key management policy to prevent unauthorized access or misuse.
Reference in PCI DSS Documentation:
* Section 3.6.5 emphasizes that retired keys must be rendered inactive for further encryption while allowing use for decryption, ensuring data continuity and compliance.

NEW QUESTION # 19
What should the assessor verify when testing that cardholder data Is protected whenever It Is sent over open public networks?

• A. The security protocol accepts only trusted keys.
• B. The security protocol accepts connections from systems with lower encryption strength than required by the protocol.
• C. A proprietary security protocol is used.
• D. The security protocol Is configured to accept all digital certificates.

Answer: A

Explanation:
Requirement for Secure Transmission:
* PCI DSS Requirement 4.1 mandates that cardholder data sent over open public networks must be protected with strong cryptographic protocols. Accepting only trusted keys ensures data integrity and prevents unauthorized access.
Key Validation Practices:
* Trusted keys and certificates are verified to ensure authenticity. Using untrusted keys compromises the security of the encrypted communication.
Prohibited Practices:
* A/D:Configuring protocols to accept all certificates or lower encryption strength violates PCI DSS encryption guidelines.
* B:Proprietary protocols are not inherently compliant unless they meet strong cryptographic standards.
Testing and Verification:
* Assessors verify the implementation of trusted keys by examining encryption settings, reviewing certificate chains, and conducting tests to confirm only trusted connections are accepted.

NEW QUESTION # 20
What does the PCI PTS standard cover?

• A. Development of strong cryptographic algorithms.
• B. Secure coding practices for commercial payment applications.
• C. End-lo-end encryption solutions for transmission of account data.
• D. Point-of-Interaction devices used to protect account data.

Answer: D

Explanation:
PCI PIN Transaction Security (PTS) Standard:
* The PCI PTS standard focuses on securing Point-of-Interaction (POI) devices, such as payment terminals, that process payment card transactions and protect account data during capture.
Clarifications on Covered Areas:
* This standard includes specifications for physical and logical security controls to prevent unauthorized access to sensitive cardholder data on POI devices.
Invalid Options:
* B:Secure coding practices are addressed by PCI PA-DSS (Payment Application Data Security Standard).
* C:Cryptographic algorithm development is not specific to PCI PTS.
* D:End-to-end encryption solutions are not covered under PCI PTS.

NEW QUESTION # 21
Which of the following file types must be monitored by a change-detection mechanism (for example, a file- integrity monitoring tool)?

• A. System configuration and parameter files
• B. Security policy and procedure documents
• C. Files that regularly change
• D. Application vendor manuals

Answer: A

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 # 22
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. The badge access-control system must be protected from tampering or disabling.
• B. The merchant must install motion-sensing alarms In addition to the existing access-control system.
• C. Data from the access-control system must be securely deleted on a monthly basis.
• D. The merchant must Install video cameras in addition to the existing access-control system.

Answer: A

Explanation:
Physical Security Requirements:
* PCI DSS Requirement 9.1.1 mandates that physical access control systems (like badge readers) must be protected against tampering or disabling to ensure continuous security.
Current Implementation:
* The merchant's badge access-control system provides essential logging of access events but must also be protected against tampering to comply with PCI DSS.
Invalid Options:
* B:Video cameras are recommended but not explicitly required if access controls effectively ensure security.
* C:Secure deletion of access-control logs is not a PCI DSS requirement; logs must be retained as per retention policies.
* D:Motion-sensing alarms are not mandatory under PCI DSS physical security requirements.

NEW QUESTION # 23
If segmentation is being used to reduce the scope of a PCI DSS assessment, the assessor will?

• A. Verify the segmentation controls allow only necessary traffic Into the cardholder data environment.
• B. Verify the payment card brands have approved the segmentation.
• C. Verify that approved devices and applications are used for the segmentation controls.
• D. Verify the controls used for segmentation are configured properly and functioning as intended

Answer: D

Explanation:
Role of the Assessor in Verifying Segmentation
* PCI DSS v4.0 requires assessors to confirm that segmentation controls (firewalls, ACLs, etc.) effectively isolate the CDE from out-of-scope networks.
* Proper configuration and functionality testing ensure that only authorized traffic can access the CDE.
Testing Requirements
* Methods include network scans, configuration reviews, and traffic analysis to verify the segmentation is functioning as intended.
Incorrect Options
* Option A: Verifying traffic flow is part of the task but not the primary goal.
* Option B: Payment brands do not approve segmentation controls.
* Option C: Use of specific devices is not mandated for segmentation.

NEW QUESTION # 24
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. Periodically as defined by the entity
• C. At least monthly
• D. At least weekly

Answer: D

Explanation:
PCI DSS Requirement for File Integrity Monitoring (FIM):
* Requirement 11.5 mandates the use of file integrity monitoring to detect unauthorized changes to critical files, and comparisons must be performed at least weekly unless otherwise defined and justified in the entity's risk assessment.
Purpose of Weekly Comparisons:
* Ensures timely detection of unauthorized modifications, reducing the risk of compromise.
Invalid Options:
* B/D:These timeframes are not specific to PCI DSS unless documented as part of a risk-based approach.
* C:Comparisons must occur regularly, not just after changes are installed.

NEW QUESTION # 25
Which of the following meets the definition of "quarterly" as Indicated In the description of timeframes used In PCI DSS requirements?

• A. On the 15th of each third month.
• B. At least once every 95-97 days
• C. On the 1st of each fourth month.
• D. Occurring at some point in each quarter of a year.

Answer: D

Explanation:
Definition of Quarterly:
* PCI DSS defines "quarterly" as occurring once within each calendar quarter. This means the activity must happen at least once in Q1, Q2, Q3, and Q4, with no rigid restrictions on specific days.
Clarification on Other Options:
* B:While 95-97 days approximates a quarter, it is not mandated as a rigid timeframe.
* C/D:Fixed dates (e.g., 15th or 1st of specific months) are not prescribed in PCI DSS.

NEW QUESTION # 26
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 on all system components.
• C. Intrusion detection techniques are required to alert personnel of suspected compromises.
• D. Intrusion detection techniques are required to identify all instances of cardholder data.

Answer: C

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 # 27
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. Only software which runs on PCI PTS devices.
• C. Any payment software In the CDE.
• D. Software developed by the entity in accordance with the Secure SLC Standard.

Answer: D

Explanation:
Software Security Framework Overview
* PCI SSC's Software Security Framework (SSF) encompasses Secure Software Standard and Secure Software Lifecycle (Secure SLC) Standard.
* Software developed under the Secure SLC Standard adheres to security-by-design principles and can leverage the SSF during PCI DSS assessments.
Applicability
* The framework is primarily for software developed by entities or third parties adhering to PCI SSC standards.
* It does not apply to legacy payment software listed under PA-DSS unless migrated to SSF.
Incorrect Options
* Option A: Not all payment software qualifies; it must align with SSF requirements.
* Option B: PCI PTS devices are subject to different security requirements.
* Option C: PA-DSS-listed software does not automatically meet SSF standards without reassessment.

NEW QUESTION # 28
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