Pass the PCI SSC PCI Qualified Professionals ISA-N_Retake Questions and answers with CertsForce

when disk encryption is used to protect account data, access to the disk encryption must be managed independently of the operating system access control mechanisms, which means it should not be affected by changes in the operating system settings or permissions. This is one of the requirements for ensuring that disk encryption is secure and effective.

According to the PCI DSS v3.2.1 Quick Reference Guide1, a user password and a PIN-activated smart card is an example of multi-factor authentication. This is one of the requirements for preventing unauthorized access to cardholder data using digital certificates.

According to requirement 3.1.2, multi-tenant service providers must ensure that customers cannot access another entity’s cardholder data environment, which means they should isolate each customer’s cardholder data from other customers’ cardholder data and prevent unauthorized access or disclosure. This is one of the requirements for ensuring that multi-tenant service providers protect each customer’s cardholder data.

According to the PCI PTS standard2, point-of-interaction devices used to protect account data are point-of-interaction devices (POI), which are devices that are used to authenticate, authorize, or verify cardholder data or transactions. This is one of the requirements for ensuring that POI devices are used in accordance with PCI DSS.

According to requirement 4, PAN must be protected with strong cryptography for transmission over private wireless networks, which means it should use encryption techniques such as WEP, WPA, WPA2, or TLS/SSL to prevent unauthorized access or interception of cardholder data over wireless networks. This is one of the requirements for ensuring that PAN is protected from unauthorized access or interception.

According to the PCI DSS v3.2.1 Quick Reference Guide1, the assessor may use either their own template or the ROC Reporting Template provided by PCI SSC. This is one of the requirements for ensuring consistency and accuracy in ROCs.

PCI DSS Requirement 11.5 states that entities must deploy a change-detection mechanism (for example, file-integrity monitoring tools) to alert personnel to unauthorized modification of critical system files, configuration files, or content files; and configure the software to perform critical file comparisons at least weekly1. This is to ensure that any unauthorized or malicious changes to the files are detected and reported in a timely manner, and that the integrity and security of the files are maintained. Critical files are those that affect the security of the cardholder data environment (CDE), such as system files, application executables, configuration files, database files, and log files2. Therefore, the correct answer is option A.

The other options are not true regarding the frequency of critical file comparisons for a change-detection mechanism. Option B is not true because PCI DSS does not allow the entity to define the periodicity of the file comparisons, as it specifies a minimum frequency of at least weekly1. Option C is not true because PCI DSS does not limit the file comparisons to only after a valid change is installed, as it requires the file comparisons to be performed at least weekly regardless of the change status1. Option D is not true because PCI DSS does not allow the file comparisons to be performed at least monthly, as it requires a higher frequency of at least weekly1. References:

PCI DSS v3.2.1

File Integrity Monitoring Tools For PCI DSS

PCI DSS Requirement 3.6.4 states that entities must retire or replace keys when the keys have reached the end of their cryptoperiod, which is the time span during which a specific key can be used for cryptographic operations1. The retired key must not be used for encryption operations, as it may have been compromised or weakened by cryptanalysis, and may not provide adequate protection for the data. The retired key may still be used for decryption operations, if needed, to access historical data that was encrypted under the retired key2. Therefore, the correct answer is option A.

The other options are not true regarding the cryptographic key retirement and replacement. Option B is not true because PCI DSS does not specify a retention period for the cryptographic key components from the retired key, although it requires entities to securely delete cryptographic material when it is no longer needed for business or legal reasons1. Option C is not true because PCI DSS does not require a new key custodian tobe assigned, although it requires entities to define and document the roles, responsibilities, and accountability of all key custodians1. Option D is not true because PCI DSS does not require all data encrypted under the retired key to be securely destroyed, although it requires entities to render cardholder data unreadable when it is no longer needed for business or legal reasons1. References:

PCI DSS v3.2.1

Cryptographic Key Blocks - PCI Security Standards Council